Parameters

`a_parameter`

symbol: \(A\)
label: A parameter
unit: None
description: Hydrometer parameter dependent on temperature and specific gravity
data_type: float
corresponding_parameter_name: None

`aashto_description`

symbol: \(\text{aashto\_description}\)
label: AASHTO description
unit: None
description: AASHTO classification system description
data_type: str
corresponding_parameter_name: None

`aashto_group_index`

symbol: \(GI\)
label: AASHTO group index
unit: None
description: AASHTO classification system group index
data_type: int
corresponding_parameter_name: None

`aashto_symbol`

symbol: \(\text{aashto\_symbol}\)
label: AASHTO symbol
unit: None
description: AASHTO classification system symbol
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='A-1-a' value_secondary=None color=None
value='A-1-b' value_secondary=None color=None
value='A-3' value_secondary=None color=None
value='A-2-4' value_secondary=None color=None
value='A-2-5' value_secondary=None color=None
value='A-2-6' value_secondary=None color=None
value='A-2-7' value_secondary=None color=None
value='A-4' value_secondary=None color=None
value='A-5' value_secondary=None color=None
value='A-6' value_secondary=None color=None
value='A-7-5' value_secondary=None color=None
value='A-7-6' value_secondary=None color=None

`acceleration`

symbol: \(a\)
label: Acceleration
unit: g
description: Acceleration
data_type: float
corresponding_parameter_name: None

`active_pile_length`

symbol: \(L_a\)
label: Active pile length
unit: m
description: Active pile length in lateral mode (typically < L_p)
data_type: float
corresponding_parameter_name: None

`alternative_normalized_cone_resistance`

symbol: \(Q_{t1}\)
label: Alternative normalized cone resistance
unit: None
description: Alternative normalized cone resistance from CPT
data_type: float
corresponding_parameter_name: None

`alternative_normalized_friction_ratio`

symbol: \(F\)
label: Alternative normalized friction ratio
unit: %
description: Normalized friction ratio from cone tip resistance
data_type: float
corresponding_parameter_name: None

`apply_20_percent_rule`

symbol: \(\text{apply\_20\_percent\_rule}\)
label: Apply 20% rule
unit: None
description: Ignores settlements where 20% of effective stress exceeds applied stress change
data_type: bool
corresponding_parameter_name: None

`area_replacement_ratio`

symbol: \(A_r\)
label: Area replacement ratio
unit: None
description: Ratio of one column area to the unit cell area
data_type: float
corresponding_parameter_name: None

`associated_file`

symbol: \(\text{associated\_file}\)
label: Associated file
unit: None
description: Associated file reference
data_type: str
corresponding_parameter_name: None

`atmospheric_pressure`

symbol: \(P_a\)
label: Atmospheric pressure
unit: kPa
description: Atmospheric pressure
data_type: float
corresponding_parameter_name: None

`average_blow_count`

symbol: \(N_{30}\)
label: Average blow count
unit: None
description: Average SPT blow count to 30 m depth
data_type: float
corresponding_parameter_name: site_class

data_bins

parameter_name: site_class

left=0.0 right=15.0 value='E' color=None
left=15.0 right=50.0 value='D' color=None
left=50.0 right=inf value='C' color=None

`average_bottom_depth`

symbol: \(z_{bottom}\)
label: Average bottom depth
unit: m
description: Special average bottom depth
data_type: float
corresponding_parameter_name: None

`average_effective_shear_velocity`

symbol: \(V_{s,avg}\)
label: Average effective shear velocity
unit: m/s
description: Average effective profile velocity
data_type: float
corresponding_parameter_name: None

`average_effective_shear_velocity_reduced`

symbol: \(V_{s,avg\ red}\)
label: Average effective shear velocity reduced
unit: m/s
description: Average effective profile velocity reduced for strain compatibility
data_type: float
corresponding_parameter_name: None

`average_shear_velocity`

symbol: \(V_{s30}\)
label: Average shear velocity
unit: m/s
description: Average shear wave velocity to 30 m depth
data_type: float
corresponding_parameter_name: site_class

data_bins

parameter_name: site_class

left=0.0 right=180.0 value='E' color=None
left=180.0 right=360.0 value='D' color=None
left=360.0 right=760.0 value='C' color=None
left=760.0 right=1500.0 value='B' color=None
left=1500.0 right=inf value='A' color=None

`average_shear_velocity_12m`

symbol: \(V_{s12}\)
label: Average shear velocity 12 m
unit: m/s
description: Average shear wave velocity to 12 m depth
data_type: float
corresponding_parameter_name: None

`average_top_depth`

symbol: \(z_{top}\)
label: Average top depth
unit: m
description: Special average top depth
data_type: float
corresponding_parameter_name: None

`average_undrained_shear_strength`

symbol: \(S_{u30}\)
label: Average undrained shear strength
unit: kPa
description: Average undrained shear strength to 30 m depth
data_type: float
corresponding_parameter_name: site_class

data_bins

parameter_name: site_class

left=0.0 right=50.0 value='E' color=None
left=50.0 right=100.0 value='D' color=None
left=100.0 right=inf value='C' color=None

`basic_influence_factor_i1`

symbol: \(I_1\)
label: Basic influence factor I1
unit: None
description: Pile settlement basic influence factor
data_type: float
corresponding_parameter_name: None

`bearing_capacity_factor`

symbol: \(R_k\)
label: Bearing capacity factor
unit: None
description: Bearing capacity factor
data_type: float
corresponding_parameter_name: None

`bearing_capacity_factor_cohesion`

symbol: \(N_c\)
label: Bearing capacity factor for cohesion
unit: None
description: Bearing capacity factor for cohesion
data_type: float
corresponding_parameter_name: None

`bearing_capacity_factor_cohesion_bottom_layer`

symbol: \(N_{c\ bottom}\)
label: Bearing capacity factor for cohesion bottom layer
unit: None
description: Bearing capacity factor for cohesion of soil beneath foundation
data_type: float
corresponding_parameter_name: None

`bearing_capacity_factor_surcharge`

symbol: \(N_q\)
label: Bearing capacity factor for surcharge
unit: None
description: Bearing capacity factor for surcharge
data_type: float
corresponding_parameter_name: None

`bearing_capacity_factor_surcharge_bottom_layer`

symbol: \(N_{q\ bottom}\)
label: Bearing capacity factor for surcharge bottom layer
unit: None
description: Bearing capacity factor for surcharge of soil beneath foundation
data_type: float
corresponding_parameter_name: None

`bearing_capacity_factor_unit_weight`

symbol: \(N_γ\)
label: Bearing capacity factor for unit weight
unit: None
description: Bearing capacity factor for unit weight
data_type: float
corresponding_parameter_name: None

`bearing_capacity_factor_unit_weight_bottom_layer`

symbol: \(N_{γ\ bottom}\)
label: Bearing capacity factor for unit weight bottom layer
unit: None
description: Bearing capacity factor for unit weight of soil beneath foundation
data_type: float
corresponding_parameter_name: None

`bearing_capacity_ratio`

symbol: \({q_2}/{q_1}\)
label: Bearing capacity ratio
unit: None
description: Ratio of bearing capacities q_2 to q_1
data_type: float
corresponding_parameter_name: None

`behaviour_correction_factor`

symbol: \(K_c\)
label: Behaviour correction factor
unit: None
description: Correction factor for soil behavior
data_type: float
corresponding_parameter_name: None

`below_water_table`

symbol: \(\text{below\_water\_table}\)
label: Below water table
unit: None
description: Indicates if soil layer is below water table
data_type: bool
corresponding_parameter_name: None

`blow_count`

symbol: \(N\)
label: Blow count
unit: None
description: SPT measured blow count
data_type: float
corresponding_parameter_name: None

`borehole_diameter`

symbol: \(D_{bh}\)
label: Borehole diameter
unit: mm
description: Diameter of borehole for SPT or sampling
data_type: float
corresponding_parameter_name: None

data_bins

parameter_name: borehole_diameter_correction

left=0.0 right=115.1 value=1 color=None
left=115.1 right=150.1 value=1.05 color=None
left=150.1 right=inf value=1.15 color=None

`borehole_diameter_correction`

symbol: \(C_B\)
label: Borehole diameter correction
unit: None
description: SPT correction factor for borehole diameter
data_type: float
corresponding_parameter_name: None

`boring_type`

symbol: \(\text{boring\_type}\)
label: Boring type
unit: None
description: Type of boring
data_type: str
corresponding_parameter_name: None

`bulk_density`

symbol: \(ρ\)
label: Bulk density
unit: g/cm3
description: Bulk soil density
data_type: float
corresponding_parameter_name: None

`can_mass`

symbol: \(W_{can}\)
label: Can mass
unit: g
description: Mass of soil sample can
data_type: float
corresponding_parameter_name: None

`can_plus_dry_soil_mass`

symbol: \(W_{can+drysoil}\)
label: Can + dry soil mass
unit: g
description: Mass of soil sample can plus dry soil
data_type: float
corresponding_parameter_name: None

`can_plus_wet_soil_mass`

symbol: \(W_{can+wetsoil}\)
label: Can + wet soil mass
unit: g
description: Mass of soil sample can plus wet soil
data_type: float
corresponding_parameter_name: None

`careful_execution`

symbol: \(\text{careful\_execution}\)
label: Careful execution
unit: None
description: Indicates careful execution with minimal soil disturbance
data_type: bool
corresponding_parameter_name: None

`clean_sand_normalized_blow_count`

symbol: \(N_{160cs}\)
label: Clean sand normalized blow count
unit: None
description: Equivalent clean sand SPT blow count (N_160)
data_type: float
corresponding_parameter_name: None

`clean_sand_normalized_blow_count_sr`

symbol: \(N_{160cs-Sr}\)
label: Clean sand normalized blow count (Sr)
unit: None
description: Equivalent clean sand N_160 for residual shear strength
data_type: float
corresponding_parameter_name: None

`clean_sand_normalized_cone_resistance`

symbol: \(Q_{tncs}\)
label: Clean sand normalized cone resistance
unit: None
description: Normalized cone resistance for clean sand
data_type: float
corresponding_parameter_name: None

`clean_sand_normalized_cone_resistance_1atm`

symbol: \(q_{c1Ncs}\)
label: Clean sand normalized cone resistance at 1 atm
unit: None
description: Equivalent clean sand normalized cone resistance at 1 atm
data_type: float
corresponding_parameter_name: None

`clean_sand_normalized_cone_resistance_1atm_sr`

symbol: \(q_{c1Ncs-Sr}\)
label: Clean sand normalized cone resistance at 1 atm (Sr)
unit: None
description: Equivalent clean sand normalized cone resistance at 1 atm for residual shear strength
data_type: float
corresponding_parameter_name: None

`client`

symbol: \(\text{client}\)
label: Client
unit: None
description: Client name
data_type: str
corresponding_parameter_name: None

`coefficient_of_consolidation`

symbol: \(C_v\)
label: Coefficient of consolidation
unit: m2/year
description: Coefficient of consolidation for soil
data_type: float
corresponding_parameter_name: None

`coefficient_of_earth_pressure_at_rest`

symbol: \(K_o\)
label: Coefficient of lateral earth pressure at rest
unit: None
description: Coefficient of lateral earth pressure at rest
data_type: float
corresponding_parameter_name: None

`compactability`

symbol: \(\text{compactability}\)
label: Compactability
unit: None
description: Soil compactability description
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Compactable' value_secondary=None color='red'
value='Less compactable' value_secondary=None color='orange'
value='Already dense' value_secondary=None color='yellow'

`compactness`

symbol: \(\text{compactness}\)
label: Compactness
unit: None
description: Soil compactness description
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Very loose' value_secondary=None color='gainsboro'
value='Loose' value_secondary=None color='lightgray'
value='Medium' value_secondary=None color='silver'
value='Dense' value_secondary=None color='darkgray'
value='Very dense' value_secondary=None color='gray'

`compression_index`

symbol: \(C_c\)
label: Compression index
unit: None
description: Compression index for soil consolidation
data_type: float
corresponding_parameter_name: None

`compression_ratio`

symbol: \(CR\)
label: Compression ratio
unit: None
description: Compression ratio for soil
data_type: float
corresponding_parameter_name: None

`compressional_velocity`

symbol: \(V_p\)
label: Compressional velocity
unit: m/s
description: Compressional wave velocity in soil
data_type: float
corresponding_parameter_name: None

`cone_area_ratio`

symbol: \(a\)
label: Cone area ratio
unit: None
description: Net area ratio for CPT cone
data_type: float
corresponding_parameter_name: None

`cone_tip_resistance`

symbol: \(q_c\)
label: Cone tip resistance
unit: MPa
description: Cone tip resistance from CPT
data_type: float
corresponding_parameter_name: None

`consider_creep_settlement`

symbol: \(\text{consider\_creep\_settlement}\)
label: Consider creep settlement
unit: None
description: Indicates if creep settlement is considered in calculations
data_type: bool
corresponding_parameter_name: None

`consistency`

symbol: \(\text{consistency}\)
label: Consistency
unit: None
description: Soil consistency description
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Very soft' value_secondary='Squishes between fingers when squeezed' color='gainsboro'
value='Soft' value_secondary='Very easily deformed by squeezing' color='lightgray'
value='Medium' value_secondary='??' color='silver'
value='Stiff' value_secondary='Hard to deform by hand squeezing' color='darkgray'
value='Very stiff' value_secondary='Very hard to deform by hand squeezing' color='gray'
value='Hard' value_secondary='Nearly impossible to deform by hand' color='dimgray'

`consolidation_state`

symbol: \(\text{consolidation\_state}\)
label: Consolidation state
unit: None
description: Soil consolidation state description
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='UC' value_secondary='Under consolidated' color='gainsboro'
value='NC' value_secondary='Normally consolidated' color='lightgray'
value='LOC' value_secondary='Lightly over consolidated' color='silver'
value='MOC' value_secondary='Moderately over consolidated' color='darkgray'
value='HOC' value_secondary='Heavily over consolidated' color='gray'

`consolidation_time`

symbol: \(t\)
label: Consolidation time
unit: month
description: Time for soil consolidation
data_type: float
corresponding_parameter_name: None

`constant_volume_friction_angle`

symbol: \(ϕ_{cv}\)
label: Constant volume friction angle
unit: °
description: Constant volume friction angle of soil
data_type: float
corresponding_parameter_name: None

`constrained_modulus`

symbol: \(M\)
label: Constrained modulus
unit: MPa
description: Constrained modulus of soil
data_type: float
corresponding_parameter_name: None

`constrained_modulus_factor`

symbol: \(α_M\)
label: Constrained modulus factor
unit: None
description: Factor for constrained modulus calculation
data_type: float
corresponding_parameter_name: None

`contractor`

symbol: \(\text{contractor}\)
label: Contractor
unit: None
description: Contractor name
data_type: str
corresponding_parameter_name: None

`coordinate_x`

symbol: \(x\)
label: Coordinate x
unit: m
description: X-axis coordinate in spatial analysis
data_type: float
corresponding_parameter_name: None

`coordinate_y`

symbol: \(y\)
label: Coordinate y
unit: m
description: Y-axis coordinate in spatial analysis
data_type: float
corresponding_parameter_name: None

`corrected_blow_count`

symbol: \(N_{60}\)
label: Corrected blow count
unit: None
description: Blow count corrected for field conditions
data_type: float
corresponding_parameter_name: None

data_bins

parameter_name: compactness

left=0.0 right=4.0 value='Very loose' color='gainsboro'
left=4.0 right=10.0 value='Loose' color='lightgray'
left=10.0 right=30.0 value='Medium' color='silver'
left=30.0 right=50.0 value='Dense' color='darkgray'
left=50.0 right=inf value='Very dense' color='gray'
parameter_name: unit_weight.Coarse.Moist

left=0.0 right=4.0 value=15.7 color=None
left=4.0 right=10.0 value=17.3 color=None
left=10.0 right=30.0 value=18.9 color=None
left=30.0 right=inf value=19.6 color=None
parameter_name: unit_weight.Coarse.Saturated

left=0.0 right=4.0 value=17.3 color=None
left=4.0 right=10.0 value=18.9 color=None
left=10.0 right=30.0 value=19.6 color=None
left=30.0 right=inf value=21.2 color=None
parameter_name: unit_weight.Fine.Moist

left=0.0 right=4.0 value=15.7 color=None
left=4.0 right=8.0 value=17.3 color=None
left=8.0 right=inf value=18.1 color=None
parameter_name: unit_weight.Fine.Saturated

left=0.0 right=4.0 value=17.3 color=None
left=4.0 right=8.0 value=18.9 color=None
left=8.0 right=inf value=19.6 color=None

`corrected_cone_tip_resistance`

symbol: \(q_t\)
label: Corrected cone tip resistance
unit: MPa
description: Corrected cone tip resistance from CPT
data_type: float
corresponding_parameter_name: None

`corrected_hydrometer_reading`

symbol: \(R_{cp}\)
label: Corrected hydrometer reading
unit: None
description: Corrected hydrometer reading for percent finer calculation
data_type: float
corresponding_parameter_name: None

`corrected_pressure_p0`

symbol: \(P_0\)
label: Corrected pressure P0
unit: kPa
description: Corrected first dilatometer reading
data_type: float
corresponding_parameter_name: None

`corrected_pressure_p1`

symbol: \(P_1\)
label: Corrected pressure P1
unit: kPa
description: Corrected second dilatometer reading
data_type: float
corresponding_parameter_name: None

`corrected_pressure_p2`

symbol: \(P_2\)
label: Corrected pressure P2
unit: kPa
description: Corrected third dilatometer reading
data_type: float
corresponding_parameter_name: None

`crew`

symbol: \(\text{crew}\)
label: Crew
unit: None
description: Name or identifier of the crew performing the test
data_type: str
corresponding_parameter_name: None

`cross_correlation_lag`

symbol: \(\text{cross\_correlation\_lag}\)
label: Cross correlation lag
unit: None
description: Cross correlation lag of sleeve friction relative to cone resistance
data_type: int
corresponding_parameter_name: None

`cumulative_mass_retained`

symbol: \(W_{n\ cum}\)
label: Cumulative mass retained
unit: g
description: Cumulative mass of soil retained on sieves
data_type: float
corresponding_parameter_name: None

`cumulative_thickness_liquefiable_layers`

symbol: \(T_{15}\)
label: Cumulative thickness of liquefiable layers
unit: m
description: Cumulative thickness of saturated granular layers with N_160 < 15
data_type: float
corresponding_parameter_name: None

`curvature_coefficient`

symbol: \(C_c\)
label: Curvature coefficient
unit: None
description: Curvature coefficient for particle size distribution
data_type: float
corresponding_parameter_name: None

`cyclic_resistance_ratio`

symbol: \(CRR\)
label: Cyclic resistance ratio
unit: None
description: Cyclic resistance ratio for liquefaction
data_type: float
corresponding_parameter_name: None

`cyclic_resistance_ratio_magnitude_7_5`

symbol: \(CRR_{7.5}\)
label: Cyclic resistance ratio magnitude 7.5
unit: None
description: Cyclic resistance ratio adjusted to moment magnitude 7.5
data_type: float
corresponding_parameter_name: None

`cyclic_resistance_ratio_slope`

symbol: \(m_{CRR}\)
label: Cyclic resistance ratio slope
unit: None
description: Slope of liquefaction resistance boundaries
data_type: float
corresponding_parameter_name: None

`cyclic_stress_ratio`

symbol: \(CSR\)
label: Cyclic stress ratio
unit: None
description: Cyclic stress ratio for liquefaction
data_type: float
corresponding_parameter_name: None

`cyclic_stress_ratio_ss_20_1d_1atm`

symbol: \(CSR_{SS,20,1D,1atm}\)
label: Cyclic stress ratio SS,20,1D,1atm
unit: None
description: CSR value corresponding to a 1 dimensional, 20 uniform loading cycles simple shear test under a confinement pressure of 1 atm
data_type: float
corresponding_parameter_name: None

`damping_ratio`

symbol: \(ζ\)
label: Damping ratio
unit: None
description: Soil or structural damping ratio
data_type: float
corresponding_parameter_name: None

`dashpot_coefficient`

symbol: \(c\)
label: Dashpot coefficient
unit: MN-s/m or MN-m/rad
description: Dashpot coefficient for translation (MN-s/m) or rotation (MN-m/rad)
data_type: float
corresponding_parameter_name: None

`dashpot_coefficient_intensity`

symbol: \(ci\)
label: Dashpot coefficient intensity
unit: MN-s/m3
description: Dashpot coefficient intensity
data_type: float
corresponding_parameter_name: None

`dashpot_coefficient_intensity_vertical`

symbol: \(c_z^i\)
label: Dashpot coefficient intensity vertical
unit: MN-s/m3
description: Vertical dashpot coefficient intensity
data_type: float
corresponding_parameter_name: None

`dashpot_coefficient_vertical`

symbol: \(c_z\)
label: Dashpot coefficient vertical
unit: MN-s/m or MN-m/rad
description: Vertical dashpot coefficient for translation
data_type: float
corresponding_parameter_name: None

`dashpot_edge_factor`

symbol: \(R_c\)
label: Dashpot edge factor
unit: None
description: Dashpot edge decrease factor
data_type: float
corresponding_parameter_name: None

`date`

symbol: \(\text{date}\)
label: Date
unit: None
description: Date sample taken
data_type: date
corresponding_parameter_name: None

`date_end`

symbol: \(\text{date\_end}\)
label: Date end
unit: None
description: Date when testing or analysis ended
data_type: date
corresponding_parameter_name: None

`date_start`

symbol: \(\text{date\_start}\)
label: Date start
unit: None
description: Date when testing or analysis started
data_type: date
corresponding_parameter_name: None

`default_unit_weight`

symbol: \(γ_{default}\)
label: Default unit weight
unit: kN/m3
description: Unit weight used for missing or undefined values
data_type: float
corresponding_parameter_name: None

`depth`

symbol: \(z\)
label: Depth
unit: m
description: Depth below ground surface to bottom of layer
data_type: float
corresponding_parameter_name: None

`depth_bottom`

symbol: \(z_{bottom}\)
label: Depth bottom
unit: m
description: Depth below ground surface to bottom of layer
data_type: float
corresponding_parameter_name: None

`depth_factor_cohesion`

symbol: \(d_c\)
label: Depth factor for cohesion
unit: None
description: Depth factor for cohesion in bearing capacity
data_type: float
corresponding_parameter_name: None

`depth_factor_surcharge`

symbol: \(d_q\)
label: Depth factor for surcharge
unit: None
description: Depth factor for surcharge in bearing capacity
data_type: float
corresponding_parameter_name: None

`depth_factor_unit_weight`

symbol: \(d_γ\)
label: Depth factor for unit weight
unit: None
description: Depth factor for unit weight in bearing capacity
data_type: float
corresponding_parameter_name: None

`depth_middle`

symbol: \(z_{middle}\)
label: Depth middle
unit: m
description: Depth below ground surface to middle of layer
data_type: float
corresponding_parameter_name: None

`depth_plus_rod_length`

symbol: \(\text{depth\_plus\_rod\_length}\)
label: Depth plus rod length
unit: m
description: Depth plus SPT rod length
data_type: float
corresponding_parameter_name: None

data_bins

parameter_name: rod_length_correction

left=0.0 right=3.0 value=0.75 color=None
left=3.0 right=4.0 value=0.8 color=None
left=4.0 right=6.0 value=0.85 color=None
left=6.0 right=10.0 value=0.95 color=None
left=10.0 right=inf value=1 color=None

`depth_top`

symbol: \(z_{top}\)
label: Depth top
unit: m
description: Depth below ground surface to top of layer
data_type: float
corresponding_parameter_name: None

`description`

symbol: \(\text{description}\)
label: Description
unit: None
description: Description
data_type: str
corresponding_parameter_name: None

`diameter_at_10_percent_finer`

symbol: \(D_{10}\)
label: Diameter at 10% finer
unit: mm
description: Diameter at 10% finer from sieve analysis
data_type: float
corresponding_parameter_name: None

`diameter_at_30_percent_finer`

symbol: \(D_{30}\)
label: Diameter at 30% finer
unit: mm
description: Diameter at 30% finer from sieve analysis
data_type: float
corresponding_parameter_name: None

`diameter_at_50_percent_finer`

symbol: \(D_{50}\)
label: Diameter at 50% finer
unit: mm
description: Diameter at 50% finer from sieve analysis
data_type: float
corresponding_parameter_name: None

`diameter_at_50_percent_finer_liquefiable_layers`

symbol: \(D_{50T15}\)
label: Diameter at 50% finer of liquefiable layers
unit: mm
description: Average mean grain size for liquefiable layers within T_15
data_type: float
corresponding_parameter_name: None

`diameter_at_60_percent_finer`

symbol: \(D_{60}\)
label: Diameter at 60% finer
unit: mm
description: Diameter at 60% finer from sieve analysis
data_type: float
corresponding_parameter_name: None

`dilatometer_constrained_modulus_factor`

symbol: \(R_M\)
label: Dilatometer constrained modulus factor
unit: None
description: DMT factor for constrained modulus calculation
data_type: float
corresponding_parameter_name: None

`dilatometer_modulus`

symbol: \(E_d\)
label: Dilatometer modulus
unit: MPa
description: Dilatometer modulus from DMT
data_type: float
corresponding_parameter_name: None

`dimensionless_frequency`

symbol: \(a_0\)
label: Dimensionless frequency
unit: None
description: Dimensionless frequency for dynamic analysis
data_type: float
corresponding_parameter_name: None

`dimensionless_pile_length_parameter`

symbol: \(λL\)
label: Dimensionless pile length parameter
unit: None
description: Dimensionless pile length parameter
data_type: float
corresponding_parameter_name: None

`dimensionless_pile_tip_stiffness`

symbol: \(Ω\)
label: Dimensionless pile tip stiffness
unit: None
description: Dimensionless pile tip stiffness
data_type: float
corresponding_parameter_name: None

`dimensionless_subgrade_reaction_modulus`

symbol: \(δ\)
label: Dimensionless subgrade reaction modulus
unit: None
description: Dimensionless modulus of subgrade reaction
data_type: float
corresponding_parameter_name: None

`dry_density`

symbol: \(ρ_{dry}\)
label: Dry density
unit: g/cm3
description: Dry soil density
data_type: float
corresponding_parameter_name: None

`dry_soil_mass`

symbol: \(W_{dry\ soil}\)
label: Dry soil mass
unit: g
description: Dry soil mass in sample
data_type: float
corresponding_parameter_name: None

`dry_unit_weight`

symbol: \(γ_{dry}\)
label: Dry unit weight
unit: kN/m3
description: Unit weight of soil under dry conditions
data_type: float
corresponding_parameter_name: None

`ductility_ratio`

symbol: \(μ\)
label: Ductility ratio
unit: None
description: Ductility ratio for structural analysis
data_type: float
corresponding_parameter_name: None

`dynamic_stiffness_modifier`

symbol: \(α\)
label: Dynamic stiffness modifier
unit: None
description: Frequency-dependent stiffness modifier for mode j
data_type: float
corresponding_parameter_name: None

`easting`

symbol: \(\text{easting}\)
label: Easting
unit: m
description: UTM WGS84 easting coordinate
data_type: float
corresponding_parameter_name: None

`effective_cone_resistance`

symbol: \(q_E\)
label: Effective cone resistance
unit: MPa
description: Effective cone resistance from CPT
data_type: float
corresponding_parameter_name: None

`effective_cone_resistance_geometric_mean`

symbol: \(q_{Eg}\)
label: Effective cone resistance geometric mean
unit: MPa
description: Geometric mean of effective cone resistance over influence zone
data_type: float
corresponding_parameter_name: None

`effective_length`

symbol: \(L\)
label: Effective length
unit: cm
description: Effective length for hydrometer particle size calculation
data_type: float
corresponding_parameter_name: None

`effective_length_corrected_reading`

symbol: \(R_{cL}\)
label: Effective length corrected reading
unit: None
description: Corrected reading for effective length determination
data_type: float
corresponding_parameter_name: None

`effective_profile_depth`

symbol: \(z_p\)
label: Effective profile depth
unit: m
description: Effective profile depth for analysis
data_type: float
corresponding_parameter_name: None

`effective_profile_depth_rotation`

symbol: \(z_p\)
label: Effective profile depth (rotation)
unit: m
description: Effective profile depth for foundation rotation
data_type: float
corresponding_parameter_name: None

`effective_shear_depth`

symbol: \(H\)
label: Effective shear depth
unit: m
description: Effective footing shear depth
data_type: float
corresponding_parameter_name: None

`effective_stress`

symbol: \(σ_v'\)
label: Effective stress
unit: kPa
description: Effective vertical stress in soil
data_type: float
corresponding_parameter_name: None

`effective_unit_weight`

symbol: \(γ'\)
label: Effective unit weight
unit: kN/m3
description: Effective unit weight of soil
data_type: float
corresponding_parameter_name: None

`effective_unit_weight_bottom_layer`

symbol: \(γ_{bottom}'\)
label: Effective unit weight bottom layer
unit: kN/m3
description: Effective unit weight of soil beneath foundation
data_type: float
corresponding_parameter_name: None

`elasticity_modulus`

symbol: \(E_s\)
label: Elasticity modulus
unit: MPa
description: Modulus of elasticity of soil
data_type: float
corresponding_parameter_name: None

`elasticity_modulus_bearing_ratio`

symbol: \(E_b\ /\ E_s\)
label: Elasticity modulus bearing ratio
unit: None
description: Ratio of elasticity modulus of bearing soil to soil along pile shaft
data_type: float
corresponding_parameter_name: None

`elasticity_modulus_bearing_soil`

symbol: \(E_b\)
label: Elasticity modulus of bearing soil
unit: MPa
description: Modulus of elasticity of bearing stratum below pile tip
data_type: float
corresponding_parameter_name: None

`elasticity_to_constrained_modulus_ratio`

symbol: \(E_s\ /\ M\)
label: Elasticity to constrained modulus ratio
unit: None
description: Ratio of elasticity modulus to constrained modulus
data_type: float
corresponding_parameter_name: None

`elevation`

symbol: \(\text{elevation}\)
label: Elevation
unit: m
description: Elevation of ground surface or soil layer bottom depth
data_type: float
corresponding_parameter_name: None

`embedment_factor`

symbol: \(η\)
label: Embedment factor
unit: None
description: Embedment correction factor for rigid footing spring constants
data_type: float
corresponding_parameter_name: None

`end_length_ratio`

symbol: \(R_e\)
label: End length ratio
unit: None
description: End length ratio
data_type: float
corresponding_parameter_name: None

`energy_ratio`

symbol: \(ER\)
label: Energy ratio
unit: %
description: SPT equipment measured energy ratio
data_type: float
corresponding_parameter_name: None

`energy_ratio_correction`

symbol: \(C_E\)
label: Energy ratio correction
unit: None
description: SPT correction factor for energy ratio
data_type: float
corresponding_parameter_name: None

`engineer`

symbol: \(\text{engineer}\)
label: Engineer
unit: None
description: Engineer name
data_type: str
corresponding_parameter_name: None

`equivalent_cone_resistance`

symbol: \(q_{ca}\)
label: Equivalent cone resistance
unit: MPa
description: LCPC method equivalent average cone resistance
data_type: float
corresponding_parameter_name: None

`equivalent_cone_resistance_primed`

symbol: \(q'_{ca}\)
label: Equivalent cone resistance primed
unit: MPa
description: LCPC method mean cone resistance between -a and +a (a = 1.5D)
data_type: float
corresponding_parameter_name: None

`exclude_clay_like_sands`

symbol: \(\text{exclude\_clay\_like\_sands}\)
label: Exclude clay-like sands
unit: None
description: Ignores clayey sands (SC) with FC > 35% and PI > 12% for SPT-based liquefaction
data_type: bool
corresponding_parameter_name: None

`final_depth`

symbol: \(z_{final}\)
label: Final depth
unit: m
description: Final depth
data_type: float
corresponding_parameter_name: None

`fines_content`

symbol: \(FC\)
label: Fines content
unit: %
description: Percentage of fines passing No. 200 sieve
data_type: float
corresponding_parameter_name: None

data_bins

parameter_name: normalized_blow_count_fines_inc

left=0.0 right=10.0 value=1.0 color=None
left=10.0 right=25.0 value=2.0 color=None
left=25.0 right=50.0 value=4.0 color=None
left=50.0 right=75.0 value=5.0 color=None
left=75.0 right=inf value=5.0 color=None
parameter_name: normalized_cone_resistance_fines_inc

left=0.0 right=10.0 value=10.0 color=None
left=10.0 right=25.0 value=25.0 color=None
left=25.0 right=50.0 value=45.0 color=None
left=50.0 right=75.0 value=55.0 color=None
left=75.0 right=inf value=55.0 color=None

`fines_content_factor`

symbol: \(C_{FINES}\)
label: Fines content factor
unit: None
description: Fines content factor for liquefaction analysis
data_type: float
corresponding_parameter_name: None

`fines_content_fitting_parameter`

symbol: \(C(FC)\)
label: Fines content fitting parameter
unit: None
description: Fines content fitting parameter for liquefaction
data_type: float
corresponding_parameter_name: None

`fines_content_liquefiable_layers`

symbol: \(FC_{T15}\)
label: Fines content of liquefiable layers
unit: %
description: Average fines content for liquefiable layers within T_15
data_type: float
corresponding_parameter_name: None

`first_interval_blow_count`

symbol: \(N_{first}\)
label: First interval blow count
unit: None
description: First interval blow count in SPT
data_type: float
corresponding_parameter_name: None

`flow_index`

symbol: \(I_F\)
label: Flow index
unit: None
description: Slope of liquid limit flow line
data_type: float
corresponding_parameter_name: None

`footing_applied_load`

symbol: \(q_o\)
label: Footing applied load
unit: kPa
description: Applied pressure or load on footing
data_type: float
corresponding_parameter_name: None

`footing_creep_settlement_inc`

symbol: \(S_{creep}\)
label: Footing creep settlement inc.
unit: cm
description: Incremental creep settlement of footing
data_type: float
corresponding_parameter_name: None

`footing_creep_settlement_sum`

symbol: \(ΣS_{creep}\)
label: Footing creep settlement sum
unit: cm
description: Sum of footing creep settlement increments
data_type: float
corresponding_parameter_name: None

`footing_embedment`

symbol: \(D_f\)
label: Footing embedment
unit: m
description: Depth of footing embedment
data_type: float
corresponding_parameter_name: None

`footing_embedment_to_width_ratio`

symbol: \(k\)
label: Footing embedment to width ratio
unit: None
description: Ratio of footing embedment to width
data_type: float
corresponding_parameter_name: None

`footing_half_length`

symbol: \(L_h\)
label: Footing half length
unit: m
description: Footing half-length (large plan dimension)
data_type: float
corresponding_parameter_name: None

`footing_half_width`

symbol: \(B_h\)
label: Footing half width
unit: m
description: Footing half-width (small plan dimension)
data_type: float
corresponding_parameter_name: None

`footing_influence_depth`

symbol: \(z_{infl}\)
label: Footing influence depth
unit: m
description: Depth of influence for footing
data_type: float
corresponding_parameter_name: None

`footing_influence_width_factor`

symbol: \(IF\)
label: Footing influence width factor
unit: None
description: Footing depth of influence width factor
data_type: float
corresponding_parameter_name: None

`footing_length`

symbol: \(L\)
label: Footing length
unit: m
description: Footing length (large plan dimension)
data_type: float
corresponding_parameter_name: None

`footing_settlement`

symbol: \(S\)
label: Footing settlement
unit: cm
description: Settlement of footing
data_type: float
corresponding_parameter_name: None

`footing_settlement_inc`

symbol: \(S_i\)
label: Footing settlement inc.
unit: cm
description: Incremental settlement of footing
data_type: float
corresponding_parameter_name: None

`footing_settlement_sum`

symbol: \(ΣS\)
label: Footing settlement sum
unit: cm
description: Sum of footing settlement increments
data_type: float
corresponding_parameter_name: None

`footing_shape`

symbol: \(\text{footing\_shape}\)
label: Footing shape
unit: None
description: Shape of footing
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='square' value_secondary=None color=None
value='circular' value_secondary=None color=None
value='rectangular' value_secondary=None color=None
value='continuous' value_secondary=None color=None

`footing_width`

symbol: \(B\)
label: Footing width
unit: m
description: Footing width (small plan dimension)
data_type: float
corresponding_parameter_name: None

`footing_width_from`

symbol: \(B_{from}\)
label: Footing width from
unit: m
description: Starting footing width for parametric analysis
data_type: float
corresponding_parameter_name: None

`footing_width_is_variable`

symbol: \(\text{footing\_width\_is\_variable}\)
label: Footing width is variable
unit: None
description: Indicates parametric foundation width analysis
data_type: bool
corresponding_parameter_name: None

`footing_width_step`

symbol: \(B_{step}\)
label: Footing width step
unit: m
description: Footing width increment step for parametric analysis
data_type: float
corresponding_parameter_name: None

`footing_width_to`

symbol: \(B_{to}\)
label: Footing width to
unit: m
description: Ending footing width for parametric analysis
data_type: float
corresponding_parameter_name: None

`footing_zone`

symbol: \(\text{footing\_zone}\)
label: Footing zone
unit: None
description: Footing intensity zone description
data_type: str
corresponding_parameter_name: None

`foundation_contact_pressure`

symbol: \(Q\)
label: Foundation contact pressure
unit: kPa
description: Contact pressure of building's foundation
data_type: float
corresponding_parameter_name: None

`foundation_is_embedded`

symbol: \(\text{foundation\_is\_embedded}\)
label: Foundation is embedded
unit: None
description: Indicates if foundation is embedded
data_type: bool
corresponding_parameter_name: None

`fourth_interval_blow_count`

symbol: \(N_{fourth}\)
label: Fourth interval blow count
unit: None
description: Fourth interval blow count in SPT
data_type: float
corresponding_parameter_name: None

`free_air_correction_a_reading`

symbol: \(ΔA\)
label: Free air correction to A reading
unit: kPa
description: Free air correction for dilatometer A reading
data_type: float
corresponding_parameter_name: None

`free_air_correction_b_reading`

symbol: \(ΔB\)
label: Free air correction to B reading
unit: kPa
description: Free air correction for dilatometer B reading
data_type: float
corresponding_parameter_name: None

`free_face_height`

symbol: \(H\)
label: Free face height
unit: m
description: Height of free face for lateral spreading analysis
data_type: float
corresponding_parameter_name: None

`free_face_length`

symbol: \(L\)
label: Free face length
unit: m
description: Distance from base of free face to point of interest
data_type: float
corresponding_parameter_name: None

`friction_angle`

symbol: \(ϕ\)
label: Friction angle
unit: °
description: Friction angle of soil
data_type: float
corresponding_parameter_name: None

data_bins

parameter_name: compactness

left=0.0 right=28.0 value='Very loose' color='gainsboro'
left=28.0 right=30.0 value='Loose' color='lightgray'
left=30.0 right=36.0 value='Medium' color='silver'
left=36.0 right=41.0 value='Dense' color='darkgray'
left=41.0 right=inf value='Very dense' color='gray'

`friction_angle_bottom_layer`

symbol: \(ϕ_{bottom}\)
label: Friction angle bottom layer
unit: °
description: Friction angle of sand layer beneath foundation
data_type: float
corresponding_parameter_name: None

`friction_ratio`

symbol: \(R_f\)
label: Friction ratio
unit: %
description: Friction ratio from CPT
data_type: float
corresponding_parameter_name: None

`generalized_interstory_drift`

symbol: \(GID\)
label: Generalized interstory drift
unit: cm
description: Generalized interstory drift for seismic analysis
data_type: float
corresponding_parameter_name: None

`geological_epoch`

symbol: \(\text{geological\_epoch}\)
label: Geological epoch
unit: None
description: Geological epoch of soil formation
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='Holocene' value_secondary=None color=None
value='Pleistocene' value_secondary=None color=None

`grain_angularity`

symbol: \(\text{grain\_angularity}\)
label: Grain angularity
unit: None
description: Description of soil grain angularity
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='angular' value_secondary=None color=None
value='round' value_secondary=None color=None

`ground_slope`

symbol: \(S\)
label: Ground slope
unit: %
description: Slope of ground surface
data_type: float
corresponding_parameter_name: None

`hammer_drop_system`

symbol: \(\text{hammer\_drop\_system}\)
label: Hammer drop system
unit: None
description: Hammer drop system
data_type: str
corresponding_parameter_name: None

`hardening_ratio`

symbol: \(\text{hardening\_ratio}\)
label: Hardening ratio
unit: None
description: Stiffness-hardening ratio for soil
data_type: float
corresponding_parameter_name: None

`has_organic_fines`

symbol: \(\text{has\_organic\_fines}\)
label: Has organic fines
unit: None
description: Indicates if the soil contains organic fines
data_type: bool
corresponding_parameter_name: None

`horizontal_stress_index`

symbol: \(K_d\)
label: Horizontal stress index
unit: None
description: Horizontal stress index from DMT
data_type: float
corresponding_parameter_name: None

`hydrometer_reading`

symbol: \(R\)
label: Hydrometer reading
unit: None
description: Hydrometer reading (151H: specific gravity, 152H: grams per liter)
data_type: float
corresponding_parameter_name: None

`hydrometer_time`

symbol: \(\text{hydrometer\_time}\)
label: Hydrometer time
unit: min
description: Elapsed time for hydrometer test
data_type: float
corresponding_parameter_name: None

`hydrometer_type`

symbol: \(\text{hydrometer\_type}\)
label: Hydrometer type
unit: None
description: Type of hydrometer used
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='151H' value_secondary=None color=None
value='152H' value_secondary=None color=None

`imposed_stress`

symbol: \(Δ_σ\)
label: Imposed stress
unit: kPa
description: Imposed stress on soil
data_type: float
corresponding_parameter_name: None

`inclination`

symbol: \(\text{inclination}\)
label: Inclination
unit: °
description: Penetration inclination relative to vertical
data_type: float
corresponding_parameter_name: None

`inhomogeneity_alpha`

symbol: \(a\)
label: Inhomogeneity alpha
unit: None
description: Inhomogeneity alpha parameter
data_type: float
corresponding_parameter_name: None

`inhomogeneity_exponent`

symbol: \(n\)
label: Inhomogeneity exponent
unit: None
description: Inhomogeneity exponent for soil
data_type: float
corresponding_parameter_name: None

`initial_static_shear_correction`

symbol: \(K_α\)
label: Initial static shear correction
unit: None
description: Correction for initial static shear stress ratio
data_type: float
corresponding_parameter_name: None

`initial_void_ratio`

symbol: \(e_o\)
label: Initial void ratio
unit: None
description: Initial void ratio of soil
data_type: float
corresponding_parameter_name: None

`is_disturbed_soil`

symbol: \(\text{is\_disturbed\_soil}\)
label: Is disturbed soil
unit: None
description: Indicates if soil sample is disturbed
data_type: bool
corresponding_parameter_name: None

`is_e_site_class`

symbol: \(\text{is\_e\_site\_class}\)
label: Is E site class
unit: None
description: Thickness of clay with [PI (%) > 20 & wc (%) ≥ 40 & Su (kPa) < 24] > 3
data_type: bool
corresponding_parameter_name: None

`is_f1_site_class`

symbol: \(\text{is\_f1\_site\_class}\)
label: Is F1 site class
unit: None
description: Soils vulnerable to potential failure / collapse under seismic loading: liquefiable soils, quick / highly sensitive clays, collapsible weakly cemented soils
data_type: bool
corresponding_parameter_name: None

`is_f2_site_class`

symbol: \(\text{is\_f2\_site\_class}\)
label: Is F2 site class
unit: None
description: Thickness of Peat and/or highly organic clays > 3
data_type: bool
corresponding_parameter_name: None

`is_f3_site_class`

symbol: \(\text{is\_f3\_site\_class}\)
label: Is F3 site class
unit: None
description: Thickness of Very high plasticity clays [PI (%) > 75] > 8
data_type: bool
corresponding_parameter_name: None

`is_f4_site_class`

symbol: \(\text{is\_f4\_site\_class}\)
label: Is F4 site class
unit: None
description: Thickness of Very thick, soft/medium stiff clays [Su (kPa) < 50] > 36
data_type: bool
corresponding_parameter_name: None

`is_fine_soil`

symbol: \(\text{is\_fine\_soil}\)
label: Is fine soil
unit: None
description: Indicates if soil is fine-grained
data_type: bool
corresponding_parameter_name: None

`is_fine_soil_criteria`

symbol: \(\text{is\_fine\_soil\_criteria}\)
label: Is fine soil criteria
unit: None
description: Criteria for fine soil classification
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='sbtn' value_secondary=None color=None
value='ic_cutoff' value_secondary=None color=None

`is_homogeneous_soil`

symbol: \(\text{is\_homogeneous\_soil}\)
label: Is homogeneous soil
unit: None
description: Indicates if soil is homogeneous
data_type: bool
corresponding_parameter_name: None

`is_invalid_data`

symbol: \(\text{is\_invalid\_data}\)
label: Is invalid data
unit: None
description: Indicates invalid input data
data_type: bool
corresponding_parameter_name: None

`is_long_pile`

symbol: \(\text{is\_long\_pile}\)
label: Is long pile
unit: None
description: Indicates if pile is long
data_type: bool
corresponding_parameter_name: None

`is_potentially_liquefiable`

symbol: \(\text{is\_potentially\_liquefiable}\)
label: Is potentially liquefiable
unit: None
description: Indicates if soil is potentially liquefiable
data_type: bool
corresponding_parameter_name: None

`is_potentially_liquefiable_thickness`

symbol: \(\text{is\_potentially\_liquefiable\_thickness}\)
label: Is potentially liquefiable thickness
unit: m
description: Thickness of potentially liquefiable group
data_type: float
corresponding_parameter_name: None

`is_sandy_gravel`

symbol: \(\text{is\_sandy\_gravel}\)
label: Is sandy gravel
unit: None
description: Indicates if soil is sandy gravel
data_type: bool
corresponding_parameter_name: None

`is_t15_liquefiable_layers`

symbol: \(T_{15\ flag}\)
label: Is T15 liquefiable layers
unit: None
description: Liquefiable layers with N_160 < 15
data_type: bool
corresponding_parameter_name: None

`ist_test_type`

symbol: \(\text{ist\_test\_type}\)
label: Seismic test type
unit: None
description: Seismic test type
data_type: str
corresponding_parameter_name: None

`language`

symbol: \(\text{language}\)
label: Language
unit: None
description: Language
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='en' value_secondary=None color=None
value='es' value_secondary=None color=None
value='fr' value_secondary=None color=None

`lateral_displacement_index`

symbol: \(LDI\)
label: Lateral displacement index
unit: m
description: Lateral displacement index for liquefaction
data_type: float
corresponding_parameter_name: None

`lateral_displacement_index_inc`

symbol: \(LDI_i\)
label: Lateral displacement index inc.
unit: m
description: Incremental lateral displacement index
data_type: float
corresponding_parameter_name: None

`lateral_displacement_index_ratio`

symbol: \(LD_{ratio}\)
label: Lateral displacement index ratio
unit: None
description: Lateral displacement index ratio
data_type: float
corresponding_parameter_name: None

`lateral_displacement_index_sum`

symbol: \(ΣLDI\)
label: Lateral displacement index sum
unit: m
description: Sum of lateral displacement indices
data_type: float
corresponding_parameter_name: None

`lateral_displacement_min_thickness`

symbol: \(LD_{min\ thickness}\)
label: Lateral displacement min. thickness
unit: m
description: Minimum thickness for lateral displacement (Youd: 1.0 m, Zhang: 0.6 m)
data_type: float
corresponding_parameter_name: None

`lateral_displacement_potential`

symbol: \(LD_{potential}\)
label: Lateral displacement potential
unit: None
description: Applies when liquefiable group thickness >= min thickness
data_type: bool
corresponding_parameter_name: None

`lateral_spread_displacement`

symbol: \(LD\)
label: Lateral spread displacement
unit: m
description: Lateral spread displacement due to liquefaction
data_type: float
corresponding_parameter_name: None

`lateral_spread_displacement_as_scalar`

symbol: \(LD_{scalar}\)
label: Lateral spread displacement as scalar
unit: None
description: If disabled, calculates lateral displacement for each depth
data_type: bool
corresponding_parameter_name: None

`lateral_spread_displacement_inc`

symbol: \(LD_i\)
label: Lateral spread displacement inc.
unit: m
description: Incremental lateral spread displacement
data_type: float
corresponding_parameter_name: None

`lateral_spread_displacement_sum`

symbol: \(ΣLD\)
label: Lateral spread displacement sum
unit: m
description: Sum of lateral spread displacements
data_type: float
corresponding_parameter_name: None

`lateral_stiffness_ratio`

symbol: \(α\)
label: Lateral stiffness ratio
unit: None
description: Lateral stiffness ratio (α=0: flexural beam, α=650: shear beam)
data_type: float
corresponding_parameter_name: None

`lateral_stress_increase_factor`

symbol: \(K_m\)
label: Lateral stress increase factor
unit: None
description: Lateral stress increase factor for soil
data_type: float
corresponding_parameter_name: None

`latitude`

symbol: \(\text{latitude}\)
label: Latitude
unit: °
description: Latitude in decimal degrees
data_type: float
corresponding_parameter_name: None

`liquefaction_building_settlement_index`

symbol: \(LBS\)
label: Liquefaction building settlement index
unit: None
description: Liquefaction-induced building settlement index
data_type: float
corresponding_parameter_name: None

`liquefaction_likelihood`

symbol: \(\text{liquefaction\_likelihood}\)
label: Liquefaction likelihood
unit: None
description: Likelihood of liquefaction occurrence
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Almost certain' value_secondary='Almost certain that it will liquefy' color='red'
value='Very likely' value_secondary='Very likely' color='orange'
value='Equally likely' value_secondary='Liquefaction/non-liquefaction is equally likely' color='yellow'
value='Unlikely' value_secondary='Unlikely' color='#8fd400'
value='Almost certain that not' value_secondary='Almost certain that it will not liquefy' color='yellowgreen'

`liquefaction_max_depth`

symbol: \(LIQ_{max\ z}\)
label: Liquefaction max. depth
unit: m
description: Maximum depth for liquefaction analysis
data_type: float
corresponding_parameter_name: None

`liquefaction_potential_index`

symbol: \(LPI\)
label: Liquefaction potential index
unit: None
description: Liquefaction potential index for site
data_type: float
corresponding_parameter_name: liquefaction_potential_index_label

data_bins

parameter_name: liquefaction_potential_index_label

left=0.0 right=5.0 value='Low' color='yellow'
left=5.0 right=15.0 value='Moderate' color='orange'
left=15.0 right=inf value='High' color='red'

`liquefaction_potential_index_inc`

symbol: \(LPI_i\)
label: Liquefaction potential index inc.
unit: None
description: Incremental liquefaction potential index
data_type: float
corresponding_parameter_name: None

`liquefaction_potential_index_label`

symbol: \(LPI_{label}\)
label: Liquefaction potential index label
unit: None
description: Label for liquefaction potential index
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Low' value_secondary=None color='yellow'
value='Moderate' value_secondary=None color='orange'
value='High' value_secondary=None color='red'

`liquefaction_potential_index_method`

symbol: \(ΣLPI_{method}\)
label: Liquefaction potential index method
unit: None
description: Liquefaction potential index method
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='iwasaki1978' value_secondary=None color=None
value='maurer2015' value_secondary=None color=None

`liquefaction_potential_index_sum`

symbol: \(ΣLPI\)
label: Liquefaction potential index sum
unit: None
description: Sum of liquefaction potential indices
data_type: float
corresponding_parameter_name: liquefaction_potential_index_sum_label

data_bins

parameter_name: liquefaction_potential_index_sum_label

left=0.0 right=5.0 value='Low' color='yellow'
left=5.0 right=15.0 value='Moderate' color='orange'
left=15.0 right=inf value='High' color='red'

`liquefaction_potential_index_sum_label`

symbol: \(ΣLPI_{label}\)
label: Liquefaction potential index sum label
unit: None
description: Label for sum of liquefaction potential indices
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Low' value_secondary=None color='yellow'
value='Moderate' value_secondary=None color='orange'
value='High' value_secondary=None color='red'

`liquefaction_probability`

symbol: \(PL_{liq}\)
label: Liquefaction probability
unit: %
description: Probability of liquefaction occurrence
data_type: float
corresponding_parameter_name: liquefaction_likelihood

data_bins

parameter_name: liquefaction_likelihood

left=0.0 right=15.0 value='Almost certain that not' color='yellowgreen'
left=15.0 right=35.0 value='Unlikely' color='#8fd400'
left=35.0 right=65.0 value='Equally likely' color='yellow'
left=65.0 right=85.0 value='Very likely' color='orange'
left=85.0 right=100.0 value='Almost certain' color='red'

`liquefaction_safety_factor`

symbol: \(FS_{liq}\)
label: Liquefaction safety factor
unit: None
description: Factor of safety against liquefaction triggering
data_type: float
corresponding_parameter_name: liquefaction_likelihood

data_bins

parameter_name: liquefaction_likelihood

left=0.0 right=0.653 value='Almost certain' color='red'
left=0.653 right=0.837 value='Very likely' color='orange'
left=0.837 right=1.102 value='Equally likely' color='yellow'
left=1.102 right=1.411 value='Unlikely' color='#8fd400'
left=1.411 right=2.0 value='Almost certain that not' color='yellowgreen'

`liquefaction_settlement`

symbol: \(S_{v-1D}\)
label: Liquefaction settlement
unit: m
description: Post-liquefaction vertical unidimensional settlement
data_type: float
corresponding_parameter_name: None

`liquefaction_settlement_inc`

symbol: \(S_{v-1D\ i}\)
label: Liquefaction settlement inc.
unit: m
description: Incremental post-liquefaction vertical settlement
data_type: float
corresponding_parameter_name: None

`liquefaction_settlement_sum`

symbol: \(ΣS_{v-1D}\)
label: Liquefaction settlement sum
unit: m
description: Sum of post-liquefaction vertical settlements
data_type: float
corresponding_parameter_name: None

`liquefaction_severity_number`

symbol: \(LSN\)
label: Liquefaction severity number
unit: None
description: Liquefaction severity number for site
data_type: float
corresponding_parameter_name: liquefaction_severity_number_label

data_bins

parameter_name: liquefaction_severity_number_label

left=0.0 right=10.0 value='Little to non' color='slateblue'
left=10.0 right=20.0 value='Minor' color='blue'
left=20.0 right=30.0 value='Moderate' color='gold'
left=30.0 right=40.0 value='Moderate to severe' color='yellow'
left=40.0 right=50.0 value='Mayor' color='orange'
left=50.0 right=inf value='Severe damage' color='red'

`liquefaction_severity_number_inc`

symbol: \(LSN_i\)
label: Liquefaction severity number inc.
unit: None
description: Incremental liquefaction severity number
data_type: float
corresponding_parameter_name: None

`liquefaction_severity_number_label`

symbol: \(LSN_{label}\)
label: Liquefaction severity number label
unit: None
description: Label for liquefaction severity number
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Little to non' value_secondary=None color='slateblue'
value='Minor' value_secondary=None color='blue'
value='Moderate' value_secondary=None color='gold'
value='Moderate to severe' value_secondary=None color='yellow'
value='Mayor' value_secondary=None color='orange'
value='Severe damage' value_secondary=None color='red'

`liquefaction_severity_number_max_depth`

symbol: \(LSN_{max\ z}\)
label: Liquefaction severity number max. depth
unit: m
description: Maximum depth for liquefaction severity number analysis
data_type: float
corresponding_parameter_name: None

`liquefaction_severity_number_sum`

symbol: \(ΣLSN\)
label: Liquefaction severity number sum
unit: None
description: Sum of liquefaction severity numbers
data_type: float
corresponding_parameter_name: liquefaction_severity_number_sum_label

data_bins

parameter_name: liquefaction_severity_number_sum_label

left=0.0 right=10.0 value='Little to non' color='slateblue'
left=10.0 right=20.0 value='Minor' color='blue'
left=20.0 right=30.0 value='Moderate' color='gold'
left=30.0 right=40.0 value='Moderate to severe' color='yellow'
left=40.0 right=50.0 value='Mayor' color='orange'
left=50.0 right=inf value='Severe damage' color='red'

`liquefaction_severity_number_sum_label`

symbol: \(ΣLSN_{label}\)
label: Liquefaction severity number sum label
unit: None
description: Label for sum of liquefaction severity numbers
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Little to non' value_secondary=None color='slateblue'
value='Minor' value_secondary=None color='blue'
value='Moderate' value_secondary=None color='gold'
value='Moderate to severe' value_secondary=None color='yellow'
value='Mayor' value_secondary=None color='orange'
value='Severe damage' value_secondary=None color='red'

`liquefaction_shear_induced_building_settlement`

symbol: \(D_s\)
label: Liquefaction shear-induced settlement
unit: mm
description: Shear-induced building settlement due to liquefaction
data_type: float
corresponding_parameter_name: None

`liquefaction_susceptibility`

symbol: \(\text{liquefaction\_susceptibility}\)
label: Liquefaction susceptibility
unit: None
description: Susceptibility of soil to liquefaction
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Susceptible' value_secondary=None color='red'
value='Mod. Susceptible' value_secondary=None color='orange'
value='Not susceptible' value_secondary=None color='yellow'

`liquid_limit`

symbol: \(LL\)
label: Liquid limit
unit: %
description: Liquid limit of soil
data_type: float
corresponding_parameter_name: None

`liquid_limit_blows`

symbol: \(N\)
label: Liquid limit blows
unit: None
description: Number of blows in liquid limit test
data_type: int
corresponding_parameter_name: None

`liquid_limit_method`

symbol: \(LL_{method}\)
label: Liquid limit method
unit: None
description: Method used for liquid limit determination
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='single_point' value_secondary=None color=None
value='multi_point' value_secondary=None color=None

`liquidity_index`

symbol: \(LI\)
label: Liquidity index
unit: None
description: Liquidity index of soil
data_type: float
corresponding_parameter_name: None

`liquidity_index_new`

symbol: \(LIN\)
label: Liquidity index new
unit: None
description: Liquidity index per Koumoto and Houlsby (2001)
data_type: float
corresponding_parameter_name: None

`location`

symbol: \(\text{location}\)
label: Location
unit: None
description: Location of site
data_type: str
corresponding_parameter_name: None

`longitude`

symbol: \(\text{longitude}\)
label: Longitude
unit: °
description: Longitude in decimal degrees
data_type: float
corresponding_parameter_name: None

`magnitude_scaling_factor`

symbol: \(MSF\)
label: Magnitude scaling factor
unit: None
description: Magnitude scaling factor for liquefaction
data_type: float
corresponding_parameter_name: None

`magnitude_scaling_factor_max`

symbol: \(MSF_{max}\)
label: Magnitude scaling factor max.
unit: None
description: Maximum magnitude scaling factor
data_type: float
corresponding_parameter_name: None

`mass_retained_sieve`

symbol: \(W_n\)
label: Mass retained sieve
unit: g
description: Mass of soil retained on each sieve
data_type: float
corresponding_parameter_name: None

`material_description`

symbol: \(\text{material\_description}\)
label: Material description
unit: None
description: Dilatometer material description
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary='Other' color='#9e3300'
value='Mud and/or Peat' value_secondary='MUD AND/OR PEAT' color='#9e3300'
value='Mud' value_secondary='MUD' color='#9e3300'
value='Clay' value_secondary='CLAY' color='green'
value='Silty Clay' value_secondary='SILTY CLAY' color='green'
value='Clayey Silt' value_secondary='CLAYEY SILT' color='orange'
value='Silt' value_secondary='SILT' color='orange'
value='Sandy Silt' value_secondary='SANDY SILT' color='orange'
value='Silty Sand' value_secondary='SILTY SAND' color='grey'
value='Sand' value_secondary='SAND' color='grey'

`material_index`

symbol: \(I_D\)
label: Material index
unit: None
description: Dilatometer material index
data_type: float
corresponding_parameter_name: material_description

data_bins

parameter_name: material_description

left=-2.0 right=-1.0 value='Mud and/or Peat' color='#9e3300'
left=-1.0 right=0.1 value='Mud' color='#9e3300'
left=0.1 right=0.33 value='Clay' color='green'
left=0.33 right=0.6 value='Silty Clay' color='green'
left=0.6 right=0.8 value='Clayey Silt' color='orange'
left=0.8 right=1.2 value='Silt' color='orange'
left=1.2 right=1.8 value='Sandy Silt' color='orange'
left=1.8 right=3.3 value='Silty Sand' color='grey'
left=3.3 right=10.0 value='Sand' color='grey'

`max_shear_strain`

symbol: \(γ_{max}\)
label: Max. shear strain
unit: %
description: Maximum shear strain in soil
data_type: float
corresponding_parameter_name: None

`max_shear_strain_f_alpha_term`

symbol: \(F_α\)
label: Max. shear strain Fα term
unit: None
description: Term for maximum shear strain calculation
data_type: float
corresponding_parameter_name: None

`mean_corrected_cone_tip_resistance`

symbol: \(q_{t\ mean}\)
label: Mean corrected cone tip resistance
unit: MPa
description: Corrected cone tip resistance averaged over footing influence depth
data_type: float
corresponding_parameter_name: None

`mean_effective_stress`

symbol: \(σ_m'\)
label: Mean effective stress
unit: kPa
description: Mean effective stress in soil
data_type: float
corresponding_parameter_name: None

`membrane_compliance_correction`

symbol: \(K_{mc}\)
label: Membrane compliance correction
unit: None
description: Correction factor for membrane compliance in DMT
data_type: float
corresponding_parameter_name: None

`meniscus_correction`

symbol: \(F_m\)
label: Meniscus correction
unit: None
description: Meniscus correction for hydrometer readings (always positive)
data_type: float
corresponding_parameter_name: None

`method`

symbol: \(\text{method}\)
label: Method
unit: None
description: Method (or standard) followed
data_type: str
corresponding_parameter_name: None

`mode_number`

symbol: \(m\)
label: Mode number
unit: None
description: Number of modes in dynamic analysis
data_type: int
corresponding_parameter_name: None

`modified_soil_behavior_type`

symbol: \(SBT_{n\ mod}\)
label: Modified soil behavior type
unit: None
description: Modified soil behavior type
data_type: str
corresponding_parameter_name: modified_soil_behavior_type_label

discrete_data

is_categorical: True

value='0' value_secondary=None color=None
value='1' value_secondary=None color=None
value='2' value_secondary=None color=None
value='3' value_secondary=None color=None
value='4' value_secondary=None color=None
value='5' value_secondary=None color=None
value='6' value_secondary=None color=None
value='7' value_secondary=None color=None

`modified_soil_behavior_type_index`

symbol: \(I_B\)
label: Modified soil behaviour type index
unit: None
description: Modified soil behaviour type index
data_type: float
corresponding_parameter_name: modified_soil_behavior_type_index_label

data_bins

parameter_name: modified_soil_behavior_type_index_label

left=10.0 right=22.0 value='Clay like' color='#29335e'
left=22.0 right=32.0 value='Transitional' color='#8ad499'
left=32.0 right=100.0 value='Sand like' color='#ff8a3b'

`modified_soil_behavior_type_index_label`

symbol: \(I_{B\ label}\)
label: Modified soil behaviour type index label
unit: None
description: Label for modified soil behaviour type index
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Clay like' value_secondary=None color='#29335e'
value='Transitional' value_secondary=None color='#8ad499'
value='Sand like' value_secondary=None color='#ff8a3b'

`modified_soil_behavior_type_label`

symbol: \(SBT_{n\ mod\ label}\)
label: Modified soil behavior type label
unit: None
description: Label for modified soil behavior type
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary='Other' color='#FF0000'
value='CSS' value_secondary='Clay-like - Contractive - Sensitive' color='#DD514A'
value='CC' value_secondary='Clay-like - Contractive' color='#2E8EE2'
value='CD' value_secondary='Clay-like - Dilative' color='#26207A'
value='TC' value_secondary='Transitional - Contractive' color='#75E1AF'
value='TD' value_secondary='Transitional - Dilative' color='#459184'
value='SC' value_secondary='Sand-like - Contractive' color='#F09B49'
value='SD' value_secondary='Sand-like - Dilative' color='#C0A264'

`moisture_mass`

symbol: \(W_{moisture}\)
label: Moisture mass
unit: g
description: Mass of moisture in soil sample
data_type: float
corresponding_parameter_name: None

`moment_magnitude`

symbol: \(M_w\)
label: Moment magnitude
unit: None
description: Seismic moment magnitude
data_type: float
corresponding_parameter_name: None

`moreno_alonso_plasticity_modification`

symbol: \(\text{moreno\_alonso\_plasticity\_modification}\)
label: Moreno & Alonso plasticity modification
unit: None
description: Plasticity chart modification per Moreno & Alonso (2018)
data_type: bool
corresponding_parameter_name: None

`moving_average_window_size`

symbol: \(\text{moving\_average\_window\_size}\)
label: Moving average window size
unit: None
description: Window size for moving average applied to raw data
data_type: int
corresponding_parameter_name: None

`name`

symbol: \(\text{name}\)
label: Name
unit: None
description: Name
data_type: str
corresponding_parameter_name: None

`natural_frequency`

symbol: \(ω\)
label: Natural frequency
unit: rad/s
description: Undamped natural vibration frequency
data_type: float
corresponding_parameter_name: None

`nature_of_soil`

symbol: \(\text{nature\_of\_soil}\)
label: Nature of soil
unit: None
description: Description of soil nature
data_type: str
corresponding_parameter_name: nature_of_soil_label

discrete_data

is_categorical: True

value='0' value_secondary=None color=None
value='1' value_secondary=None color=None
value='2' value_secondary=None color=None
value='3' value_secondary=None color=None
value='4' value_secondary=None color=None
value='5' value_secondary=None color=None
value='6' value_secondary=None color=None

`nature_of_soil_label`

symbol: \(\text{nature\_of\_soil\_label}\)
label: Nature of soil label
unit: None
description: Label for soil nature description
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary=None color='#FF0000'
value='Soft clay and mud' value_secondary=None color='#9e3300'
value='Moderately compact clay' value_secondary=None color='green'
value='Silt and loose sand' value_secondary=None color='darkorange'
value='Compact to stiff clay and compact silt' value_secondary=None color='orange'
value='Moderately compact sand and gravel' value_secondary=None color='darkgray'
value='Compact to very compact sand and gravel' value_secondary=None color='gray'

`node_id`

symbol: \(\text{node\_id}\)
label: Node id
unit: None
description: Identifier for node in analysis
data_type: int
corresponding_parameter_name: None

`non_normalized_soil_behavior_type_index`

symbol: \(I_{SBT}\)
label: Non normalized soil behavior type index
unit: None
description: Non-normalized soil behavior type index
data_type: float
corresponding_parameter_name: non_normalized_soil_behavior_type_index_label

data_bins

parameter_name: non_normalized_soil_behavior_type_index_label

left=1.0 right=1.31 value='Gravelly sand' color='#FF8A3B'
left=1.31 right=2.05 value='Sands' color='#D19C00'
left=2.05 right=2.6 value='Sand mixtures' color='#61d961'
left=2.6 right=2.95 value='Silt mixtures' color='#2b802b'
left=2.95 right=3.6 value='Clays' color='#213b69'
left=3.6 right=4.0 value='Organic soils' color='#9e3300'

`non_normalized_soil_behavior_type_index_label`

symbol: \(I_{SBT\ label}\)
label: Non normalized soil behavior type index label
unit: None
description: Label for non-normalized soil behavior type index
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Gravelly sand' value_secondary='Gravelly sand to dense sand' color='#FF8A3B'
value='Sands' value_secondary='Sands & clean sand to silty\r\nsand' color='#D19C00'
value='Sand mixtures' value_secondary='Sand mixtures & silty sand to\r\nsandy silt' color='#61d961'
value='Silt mixtures' value_secondary='Silt mixtures & clayey silt to\r\nsilty clay' color='#2b802b'
value='Clays' value_secondary='Clays & silty clay to clay' color='#213b69'
value='Organic soils' value_secondary='Organic soils & clay' color='#9e3300'

`non_plastic`

symbol: \(NP\)
label: Non-plastic
unit: None
description: Indicates non-plastic soil (PI=0)
data_type: bool
corresponding_parameter_name: None

`normalized_blow_count`

symbol: \(N_{160}\)
label: Normalized blow count
unit: None
description: N_60 corrected to 1 atm effective overburden stress
data_type: float
corresponding_parameter_name: None

data_bins

parameter_name: compactness

left=0.0 right=3.0 value='Very loose' color='gainsboro'
left=3.0 right=8.0 value='Loose' color='lightgray'
left=8.0 right=25.0 value='Medium' color='silver'
left=25.0 right=42.0 value='Dense' color='darkgray'
left=42.0 right=inf value='Very dense' color='gray'

`normalized_blow_count_fines_inc`

symbol: \(ΔN_{160}\)
label: Normalized blow count fines inc.
unit: None
description: Fines content increment to normalized blow count
data_type: float
corresponding_parameter_name: None

`normalized_blow_count_fines_inc_sr`

symbol: \(ΔN_{160-Sr}\)
label: Normalized blow count fines inc. (Sr)
unit: None
description: Fines content increment to normalized blow count for residual shear strength
data_type: float
corresponding_parameter_name: None

`normalized_blow_count_sr`

symbol: \(N_{160-Sr}\)
label: Normalized blow count (Sr)
unit: None
description: N_60 corrected to 1 atm for residual shear strength
data_type: float
corresponding_parameter_name: None

`normalized_cone_resistance`

symbol: \(Q_t\)
label: Normalized cone resistance
unit: None
description: Normalized cone resistance from CPT
data_type: float
corresponding_parameter_name: None

`normalized_cone_resistance_1atm`

symbol: \(q_{c1N}\)
label: Normalized cone resistance at 1 atm
unit: None
description: Normalized cone resistance at 1 atm
data_type: float
corresponding_parameter_name: None

`normalized_cone_resistance_fines_inc`

symbol: \(Δq_{c1N}\)
label: Normalized cone resistance fines inc.
unit: None
description: Fines content dependent increment to normalized cone resistance
data_type: float
corresponding_parameter_name: None

`normalized_cone_resistance_fines_inc_sr`

symbol: \(Δq_{c1N-Sr}\)
label: Normalized cone resistance fines inc. (Sr)
unit: None
description: Fines content increment to normalized cone resistance for residual shear strength
data_type: float
corresponding_parameter_name: None

`normalized_excess_pore_pressure_ratio`

symbol: \(r_u\)
label: Normalized excess pore water pressure ratio
unit: None
description: Normalized excess pore water pressure ratio
data_type: float
corresponding_parameter_name: None

`normalized_friction_ratio`

symbol: \(F_r\)
label: Normalized friction ratio
unit: %
description: Normalized friction ratio from CPT
data_type: float
corresponding_parameter_name: None

`normalized_pore_pressure`

symbol: \(U_2\)
label: Normalized pore pressure
unit: None
description: Normalized pore pressure from CPT
data_type: float
corresponding_parameter_name: None

`normalized_pore_pressure_ratio`

symbol: \(B_q\)
label: Normalized pore pressure ratio
unit: None
description: Normalized pore pressure ratio from CPT
data_type: float
corresponding_parameter_name: None

`normalized_residual_shear_strength`

symbol: \(S_{r\ ratio}\)
label: Normalized residual shear strength
unit: None
description: Post-liquefaction residual shear strength to effective stress ratio
data_type: float
corresponding_parameter_name: None

`normalized_soil_behavior_type`

symbol: \(SBT_n\)
label: Normalized soil behavior type
unit: None
description: Normalized soil behavior type from CPT
data_type: str
corresponding_parameter_name: normalized_soil_behavior_type_label

discrete_data

is_categorical: True

value='0' value_secondary=None color=None
value='1' value_secondary=None color=None
value='2' value_secondary=None color=None
value='3' value_secondary=None color=None
value='4' value_secondary=None color=None
value='5' value_secondary=None color=None
value='6' value_secondary=None color=None
value='7' value_secondary=None color=None
value='8' value_secondary=None color=None
value='9' value_secondary=None color=None

`normalized_soil_behavior_type_label`

symbol: \(SBT_{n\ label}\)
label: Normalized soil behavior type label
unit: None
description: Label for normalized soil behavior type
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary='Other' color='#FF0000'
value='Sensitive fine grained' value_secondary='Sensitive fine grained' color='#D42A1D'
value='Organic soil' value_secondary='Organic material' color='#B46B40'
value='Clay' value_secondary='Clay to silty clay' color='#4B5878'
value='Clay & silty clay' value_secondary='Clayey silt to silty clay' color='#479085'
value='Silty sand & sandy silt' value_secondary='Silty sand to sandy silt' color='#7EC4A0'
value='Sand & silty sand' value_secondary='Clean sand to silty sand' color='#BFA364'
value='Gravely sand & sand' value_secondary='Gravely sand to sand' color='#EB9D4A'
value='Very stiff sand & clayey sand' value_secondary='Very stiff sand to clayey sand' color='#959595'
value='Very stiff fine grained' value_secondary='Very stiff fine grained' color='#E6E6E6'

`northing`

symbol: \(\text{northing}\)
label: Northing
unit: m
description: UTM WGS84 northing coordinate
data_type: float
corresponding_parameter_name: None

`number_of_standard_deviations`

symbol: \(\text{number\_of\_standard\_deviations}\)
label: Number of standard deviations
unit: None
description: Number of standard deviations for statistical analysis
data_type: float
corresponding_parameter_name: None

`overburden_correction`

symbol: \(C_n\)
label: Overburden correction
unit: None
description: Overburden correction factor for SPT
data_type: float
corresponding_parameter_name: None

`overburden_correction_coefficient`

symbol: \(C_σ\)
label: Overburden correction coefficient
unit: None
description: Coefficient for overburden correction
data_type: float
corresponding_parameter_name: None

`overburden_correction_crr`

symbol: \(K_σ\)
label: Overburden correction for CRR
unit: None
description: Overburden correction factor for cyclic resistance ratio
data_type: float
corresponding_parameter_name: None

`overburden_correction_limit`

symbol: \(C_{n\ lim}\)
label: Overburden correction limit
unit: None
description: Limit for overburden correction factor
data_type: float
corresponding_parameter_name: None

`overburden_correction_sr`

symbol: \(C_{n-Sr}\)
label: Overburden correction (Sr)
unit: None
description: Overburden correction factor for residual shear strength
data_type: float
corresponding_parameter_name: None

`overburden_normalized_cone_resistance`

symbol: \(q_{c1}\)
label: Overburden normalized cone resistance
unit: None
description: Overburden normalized cone resistance from CPT
data_type: float
corresponding_parameter_name: None

`overburden_stress_exponent`

symbol: \(n\)
label: Overburden stress exponent
unit: None
description: Stress exponent for overburden correction
data_type: float
corresponding_parameter_name: None

`overburden_stress_exponent_sr`

symbol: \(n_{Sr}\)
label: Overburden stress exponent (Sr)
unit: None
description: Stress exponent for overburden correction in residual shear strength
data_type: float
corresponding_parameter_name: None

`overconsolidation_ratio`

symbol: \(OCR\)
label: Overconsolidation ratio
unit: None
description: Overconsolidation ratio of soil
data_type: float
corresponding_parameter_name: consolidation_state

data_bins

parameter_name: consolidation_state

left=0.0 right=1.0 value='UC' color='gainsboro'
left=1.0 right=1.2 value='NC' color='lightgray'
left=1.2 right=4.0 value='LOC' color='silver'
left=4.0 right=10.0 value='MOC' color='darkgray'
left=10.0 right=inf value='HOC' color='gray'

`overconsolidation_ratio_factor`

symbol: \(k\)
label: Overconsolidation ratio factor
unit: None
description: Factor for overconsolidation ratio
data_type: float
corresponding_parameter_name: None

`particle_size`

symbol: \(D\)
label: Particle size
unit: mm
description: Particle size from sieve or hydrometer analysis
data_type: float
corresponding_parameter_name: soil_fraction

data_bins

parameter_name: soil_fraction

left=75.0 right=100.0 value='Cobble' color=None
left=19.0 right=75.0 value='Gravel (Coarse)' color=None
left=4.75 right=19.0 value='Gravel (Fine)' color=None
left=2.0 right=4.75 value='Sand (Coarse)' color=None
left=0.425 right=2.0 value='Sand (Medium)' color=None
left=0.075 right=0.425 value='Sand (Fine)' color=None
left=0.005 right=0.075 value='Silt' color=None
left=0.001 right=0.005 value='Clay' color=None
left=0.0 right=0.001 value='Colloids' color=None

`peak_friction_angle`

symbol: \(ϕ'\)
label: Peak friction angle
unit: °
description: Peak friction angle of soil
data_type: float
corresponding_parameter_name: None

`peak_ground_acceleration`

symbol: \(PGA\)
label: Peak ground acceleration
unit: g
description: Peak ground acceleration for seismic analysis
data_type: float
corresponding_parameter_name: None

`peak_undrained_shear_strength_ratio`

symbol: \(S_{u\ ratio\ peak}\)
label: Peak undrained shear strength ratio
unit: None
description: Peak undrained shear strength to effective stress ratio
data_type: float
corresponding_parameter_name: None

`penetration`

symbol: \(\text{penetration}\)
label: Penetration
unit: cm
description: Penetration
data_type: float
corresponding_parameter_name: None

`penetration_rate`

symbol: \(\text{penetration\_rate}\)
label: Penetration rate
unit: mm/s
description: Rate of penetration / push
data_type: float
corresponding_parameter_name: None

`percent_clay`

symbol: \(\text{percent\_clay}\)
label: Percent clay
unit: %
description: Clay percentage for USDA classification
data_type: float
corresponding_parameter_name: None

`percent_coarse_gravel`

symbol: \(\text{percent\_coarse\_gravel}\)
label: Percent coarse gravel
unit: %
description: Coarse gravel percentage (% retained on 3/4 " sieve)
data_type: float
corresponding_parameter_name: None

`percent_coarse_sand`

symbol: \(\text{percent\_coarse\_sand}\)
label: Percent coarse sand
unit: %
description: Coarse sand percentage (% passing No. 4 sieve, retained on No. 10)
data_type: float
corresponding_parameter_name: None

`percent_fine_gravel`

symbol: \(\text{percent\_fine\_gravel}\)
label: Percent fine gravel
unit: %
description: Fine gravel percentage (% passing 3/4 " sieve, retained on No. 4)
data_type: float
corresponding_parameter_name: None

`percent_fine_sand`

symbol: \(\text{percent\_fine\_sand}\)
label: Percent fine sand
unit: %
description: Fine sand percentage (% passing No. 40 sieve, retained on No. 200)
data_type: float
corresponding_parameter_name: None

`percent_finer`

symbol: \(\text{percent\_finer}\)
label: Percent finer
unit: %
description: Percentage of material finer than a given size
data_type: float
corresponding_parameter_name: None

`percent_finer_uncorrected`

symbol: \(\text{percent\_finer\_uncorrected}\)
label: Percent finer uncorrected
unit: %
description: Uncorrected percentage finer from sieve analysis
data_type: float
corresponding_parameter_name: None

`percent_gravel`

symbol: \(\text{percent\_gravel}\)
label: Percent gravel
unit: %
description: Gravel percentage (% retained on No. 4 sieve)
data_type: float
corresponding_parameter_name: None

`percent_medium_sand`

symbol: \(\text{percent\_medium\_sand}\)
label: Percent medium sand
unit: %
description: Medium sand percentage (% passing No. 10 sieve, retained on No. 40)
data_type: float
corresponding_parameter_name: None

`percent_passing_3in4`

symbol: \(P_{3/4}\)
label: Percent passing 3/4"
unit: %
description: Percentage passing 3/4 " sieve
data_type: float
corresponding_parameter_name: None

`percent_passing_no10`

symbol: \(P_{10}\)
label: Percent passing No. 10
unit: %
description: Percentage passing No. 10 sieve
data_type: float
corresponding_parameter_name: None

`percent_passing_no200`

symbol: \(P_{200}\)
label: Percent passing No. 200
unit: %
description: Percentage passing No. 200 sieve
data_type: float
corresponding_parameter_name: None

`percent_passing_no4`

symbol: \(P_{4}\)
label: Percent passing No. 4
unit: %
description: Percentage passing No. 4 sieve
data_type: float
corresponding_parameter_name: None

`percent_passing_no40`

symbol: \(P_{40}\)
label: Percent passing No. 40
unit: %
description: Percentage passing No. 40 sieve
data_type: float
corresponding_parameter_name: None

`percent_sand`

symbol: \(\text{percent\_sand}\)
label: Percent sand
unit: %
description: Sand percentage (% passing No. 4 sieve)
data_type: float
corresponding_parameter_name: None

`percent_silt`

symbol: \(\text{percent\_silt}\)
label: Percent silt
unit: %
description: Silt percentage for USDA classification
data_type: float
corresponding_parameter_name: None

`period`

symbol: \(T\)
label: Period
unit: s
description: Vibration period of structure or soil
data_type: float
corresponding_parameter_name: None

`period_lengthening_ratio`

symbol: \(T_{flexible}/T\)
label: Period lengthening ratio
unit: None
description: Ratio of flexible-base to rigid-base period
data_type: float
corresponding_parameter_name: None

`permeability`

symbol: \(k\)
label: Permeability
unit: m/s
description: Soil permeability
data_type: float
corresponding_parameter_name: relative_permeability

data_bins

parameter_name: relative_permeability

left=0.0 right=1e-09 value='Impermeable' color='gainsboro'
left=1e-09 right=1e-07 value='Very low' color='lightgray'
left=1e-07 right=1e-05 value='Low' color='silver'
left=1e-05 right=0.001 value='Medium' color='darkgray'
left=0.001 right=inf value='High' color='gray'

`pile_area_ratio`

symbol: \(R_A\)
label: Pile area ratio
unit: None
description: Ratio of pile section area to total cross section area
data_type: float
corresponding_parameter_name: None

`pile_count`

symbol: \(n_{piles}\)
label: Pile count
unit: None
description: Number of piles
data_type: int
corresponding_parameter_name: None

`pile_critical_depth`

symbol: \(\text{pile\_critical\_depth}\)
label: Pile critical depth
unit: m
description: Critical depth for pile analysis
data_type: float
corresponding_parameter_name: None

`pile_cross_swaying_rocking_stiffness`

symbol: \(K_{hr}\)
label: Pile cross-swaying-rocking stiffness
unit: kN/m or kN-m/rad
description: Cross-swaying-rocking stiffness of pile
data_type: float
corresponding_parameter_name: None

`pile_diameter`

symbol: \(D\)
label: Pile diameter
unit: m
description: Outside diameter of pile
data_type: float
corresponding_parameter_name: None

`pile_elasticity_modulus`

symbol: \(E_p\)
label: Pile elasticity modulus
unit: MPa
description: Young’s modulus of pile material
data_type: float
corresponding_parameter_name: None

`pile_embedment_length`

symbol: \(L\)
label: Pile embedment length
unit: m
description: Embedment length of pile
data_type: float
corresponding_parameter_name: None

`pile_friction_coefficient`

symbol: \(α\)
label: Pile friction coefficient
unit: None
description: Pile friction coefficient for shaft resistance
data_type: float
corresponding_parameter_name: None

`pile_group_configuration`

symbol: \(\text{pile\_group\_configuration}\)
label: Pile group configuration
unit: None
description: Configuration of pile group
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='2X2' value_secondary=None color=None
value='3X3' value_secondary=None color=None
value='4X4' value_secondary=None color=None

`pile_group_damping_ratio`

symbol: \(β_G\)
label: Pile group damping ratio
unit: None
description: Damping ratio for pile group
data_type: float
corresponding_parameter_name: None

`pile_group_efficiency_factor`

symbol: \(EF\)
label: Pile group efficiency factor
unit: None
description: Efficiency factor for pile group
data_type: float
corresponding_parameter_name: None

`pile_head_axial_load`

symbol: \(P\)
label: Pile head axial load
unit: kN
description: Axial load at pile head
data_type: float
corresponding_parameter_name: None

`pile_head_displacement`

symbol: \(u\)
label: Pile head displacement
unit: m
description: Displacement at pile head
data_type: float
corresponding_parameter_name: None

`pile_head_lateral_load`

symbol: \(\text{pile\_head\_lateral\_load}\)
label: Pile head lateral load
unit: kN
description: Lateral load at pile head
data_type: float
corresponding_parameter_name: None

`pile_head_moment`

symbol: \(\text{pile\_head\_moment}\)
label: Pile head moment
unit: kN-m
description: Moment at pile head
data_type: float
corresponding_parameter_name: None

`pile_head_rotation`

symbol: \(θ\)
label: Pile head rotation
unit: rad
description: Rotation at pile head
data_type: float
corresponding_parameter_name: None

`pile_horizontal_stiffness`

symbol: \(k_{px}\)
label: Pile horizontal stiffness
unit: MN/m
description: Dynamic horizontal stiffness of pile
data_type: float
corresponding_parameter_name: None

`pile_influence_factor`

symbol: \(I\)
label: Pile influence factor
unit: None
description: Influence factor for pile settlement
data_type: float
corresponding_parameter_name: None

`pile_length_to_diameter_ratio`

symbol: \(L/D\)
label: Pile length to diameter ratio
unit: None
description: Ratio of pile embedment length to diameter
data_type: float
corresponding_parameter_name: None

`pile_length_to_soil_thickness_ratio`

symbol: \(L/h\)
label: Pile length to soil thickness ratio
unit: None
description: Ratio of pile embedment length to soil layer depth
data_type: float
corresponding_parameter_name: None

`pile_moment_of_inertia`

symbol: \(I_p\)
label: Pile moment of inertia
unit: m4
description: Moment of inertia of equivalent solid pile
data_type: float
corresponding_parameter_name: None

`pile_perimeter`

symbol: \(P\)
label: Pile perimeter
unit: m
description: Perimeter of pile
data_type: float
corresponding_parameter_name: None

`pile_rocking_stiffness`

symbol: \(K_{rr}\)
label: Pile rocking stiffness
unit: kN-m/rad
description: Rocking stiffness of pile
data_type: float
corresponding_parameter_name: None

`pile_settlement`

symbol: \(S\)
label: Pile settlement
unit: cm
description: Settlement of pile
data_type: float
corresponding_parameter_name: None

`pile_settlement_correction_bearing`

symbol: \(R_b\)
label: Pile settlement correction for bearing
unit: None
description: Correction factor for bearing stratum
data_type: float
corresponding_parameter_name: None

`pile_settlement_correction_compressibility`

symbol: \(R_K\)
label: Pile settlement correction for compressibility
unit: None
description: Correction factor for pile compressibility
data_type: float
corresponding_parameter_name: None

`pile_settlement_correction_depth`

symbol: \(R_h\)
label: Pile settlement correction for depth
unit: None
description: Correction factor for pile layer depth
data_type: float
corresponding_parameter_name: None

`pile_settlement_correction_poisson`

symbol: \(R_v\)
label: Pile settlement correction for Poisson’s ratio
unit: None
description: Correction factor for Poisson’s ratio
data_type: float
corresponding_parameter_name: None

`pile_shaft_resistance`

symbol: \(Q_s\)
label: Pile shaft resistance
unit: kN
description: Shaft resistance of pile
data_type: float
corresponding_parameter_name: None

`pile_shaft_resistance_inc`

symbol: \(Q_{s\ i}\)
label: Pile shaft resistance inc.
unit: kN
description: Incremental shaft resistance of pile
data_type: float
corresponding_parameter_name: None

`pile_shape`

symbol: \(\text{pile\_shape}\)
label: Pile shape
unit: None
description: Shape of pile
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='circle' value_secondary=None color=None
value='square' value_secondary=None color=None

`pile_side_surface_area`

symbol: \(A_s\)
label: Pile side surface area
unit: m2
description: Side surface area of pile
data_type: float
corresponding_parameter_name: None

`pile_stiffness`

symbol: \(k_p\)
label: Pile stiffness
unit: MN/m or MN-m/rad
description: Dynamic stiffness of single pile for mode j (translation or rotation)
data_type: float
corresponding_parameter_name: None

`pile_stiffness_factor`

symbol: \(K\)
label: Pile stiffness factor
unit: None
description: Stiffness factor for pile
data_type: float
corresponding_parameter_name: None

`pile_stiffness_in_group`

symbol: \(k_{pG}\)
label: Pile stiffness in group
unit: MN/m or MN-m/rad
description: Dynamic stiffness of pile in group for mode j
data_type: float
corresponding_parameter_name: None

`pile_swaying_stiffness`

symbol: \(K_{hh}\)
label: Pile swaying stiffness
unit: kN/m
description: Swaying stiffness of pile
data_type: float
corresponding_parameter_name: None

`pile_tip_area`

symbol: \(A_p\)
label: Pile tip area
unit: m2
description: Tip area of pile
data_type: float
corresponding_parameter_name: None

`pile_tip_resistance`

symbol: \(Q_b\)
label: Pile tip resistance
unit: kN
description: Tip resistance of pile
data_type: float
corresponding_parameter_name: None

`pile_tip_resistance_coefficient`

symbol: \(C_t\)
label: Pile tip resistance coefficient
unit: None
description: Coefficient for pile tip resistance
data_type: float
corresponding_parameter_name: None

`pile_tip_resistance_factor`

symbol: \(k_c\)
label: Pile tip resistance factor
unit: None
description: LCPC method bearing capacity factor for pile tip
data_type: float
corresponding_parameter_name: None

`pile_toe_transition`

symbol: \(\text{pile\_toe\_transition}\)
label: Pile toe transition
unit: None
description: Transition type at pile toe
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='dense_to_weak' value_secondary=None color=None
value='weak_to_dense' value_secondary=None color=None

`pile_type_category`

symbol: \(\text{pile\_type\_category}\)
label: Pile type category
unit: None
description: Category of pile type
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='IA' value_secondary=None color=None
value='IB' value_secondary=None color=None
value='IIA' value_secondary=None color=None
value='IIB' value_secondary=None color=None

`pile_ultimate_resistance`

symbol: \(Q_{ult}\)
label: Pile ultimate resistance
unit: kN
description: Ultimate resistance of pile
data_type: float
corresponding_parameter_name: None

`pile_unit_tip_resistance`

symbol: \(q_p\)
label: Pile unit tip resistance
unit: MPa
description: Unit tip resistance of pile
data_type: float
corresponding_parameter_name: None

`pile_unit_weight`

symbol: \(γ_p\)
label: Pile unit weight
unit: kN/m3
description: Unit weight of pile material
data_type: float
corresponding_parameter_name: None

`pile_vertical_stiffness`

symbol: \(k_{pz}\)
label: Pile vertical stiffness
unit: MN/m
description: Dynamic vertical stiffness of pile
data_type: float
corresponding_parameter_name: None

`pile_wall_thickness`

symbol: \(t\)
label: Pile wall thickness
unit: m
description: Wall thickness of pile
data_type: float
corresponding_parameter_name: None

`plastic_limit`

symbol: \(PL\)
label: Plastic limit
unit: %
description: Plastic limit of soil
data_type: float
corresponding_parameter_name: None

`plasticity_index`

symbol: \(PI\)
label: Plasticity index
unit: %
description: Plasticity index of soil
data_type: float
corresponding_parameter_name: None

`plasticity_index_liquid_limit_ratio`

symbol: \(PI\ /\ LL\)
label: Plasticity index to liquid limit ratio
unit: None
description: Ratio of plasticity index to liquid limit
data_type: float
corresponding_parameter_name: None

`poisson_adjustment_factor`

symbol: \(ψ\)
label: Poisson’s adjustment factor
unit: None
description: Adjustment factor for Poisson’s ratio
data_type: float
corresponding_parameter_name: None

`poisson_ratio`

symbol: \(ν\)
label: Poisson’s ratio
unit: None
description: Poisson’s ratio of soil
data_type: float
corresponding_parameter_name: None

`pore_pressure`

symbol: \(u\)
label: Pore pressure
unit: kPa
description: Pore pressure in soil
data_type: float
corresponding_parameter_name: None

`pore_pressure_index`

symbol: \(U_D\)
label: Pore pressure index
unit: None
description: Pore pressure index from DMT
data_type: float
corresponding_parameter_name: None

`pore_water_pressure`

symbol: \(u_0\)
label: Pore water pressure
unit: kPa
description: Pore water pressure in soil
data_type: float
corresponding_parameter_name: None

`porosity`

symbol: \(n\)
label: Porosity
unit: None
description: Fraction of soil volume taken up by pore space
data_type: float
corresponding_parameter_name: None

`post_liquefaction_residual_shear_strength`

symbol: \(S_r\)
label: Post-liquefaction residual shear strength
unit: kPa
description: Post-liquefaction residual shear strength
data_type: float
corresponding_parameter_name: None

`preconsolidation_stress`

symbol: \(σ_p'\)
label: Preconsolidation stress
unit: kPa
description: Preconsolidation stress of soil
data_type: float
corresponding_parameter_name: None

`primary_consolidation_time`

symbol: \(t_p\)
label: Primary consolidation time
unit: month
description: Time for primary consolidation
data_type: float
corresponding_parameter_name: None

`project_id`

symbol: \(\text{project\_id}\)
label: Project ID
unit: None
description: Identifier for project
data_type: str
corresponding_parameter_name: None

`project_name`

symbol: \(\text{project\_name}\)
label: Project name
unit: None
description: Project name
data_type: str
corresponding_parameter_name: None

`pseudo_spectral_acceleration`

symbol: \(PSa\)
label: Pseudo-spectral acceleration
unit: g
description: Pseudo-spectral acceleration for seismic analysis
data_type: float
corresponding_parameter_name: None

`punching_shear_coefficient`

symbol: \(K_s\)
label: Punching shear coefficient
unit: None
description: Punching shear coefficient for foundation
data_type: float
corresponding_parameter_name: None

`radiation_damping_ratio`

symbol: \(β\)
label: Radiation damping ratio
unit: None
description: Radiation damping ratio for soil
data_type: float
corresponding_parameter_name: None

`raw_a_reading`

symbol: \(A\)
label: Raw A reading
unit: kPa
description: First dilatometer reading
data_type: float
corresponding_parameter_name: None

`raw_b_reading`

symbol: \(B\)
label: Raw B reading
unit: kPa
description: Second dilatometer reading
data_type: float
corresponding_parameter_name: None

`raw_c_reading`

symbol: \(C\)
label: Raw C reading
unit: kPa
description: Third dilatometer reading
data_type: float
corresponding_parameter_name: None

`recompression_index`

symbol: \(C_r\)
label: Recompression index
unit: None
description: Recompression (swelling) index of soil
data_type: float
corresponding_parameter_name: None

`recompression_ratio`

symbol: \(RR\)
label: Recompression ratio
unit: None
description: Recompression ratio of soil
data_type: float
corresponding_parameter_name: None

`recovery`

symbol: \(\text{recovery}\)
label: Recovery
unit: %
description: Ratio of recovered sample length to sampled interval
data_type: float
corresponding_parameter_name: None

`relative_density`

symbol: \(D_r\)
label: Relative density
unit: %
description: Relative density of soil
data_type: float
corresponding_parameter_name: None

data_bins

parameter_name: compactness

left=0.0 right=15.0 value='Very loose' color='gainsboro'
left=15.0 right=35.0 value='Loose' color='lightgray'
left=35.0 right=65.0 value='Medium' color='silver'
left=65.0 right=85.0 value='Dense' color='darkgray'
left=85.0 right=inf value='Very dense' color='gray'

`relative_density_constant`

symbol: \(k_{D_r}\)
label: Relative density constant
unit: None
description: Constant for relative density calculation
data_type: float
corresponding_parameter_name: None

`relative_permeability`

symbol: \(k_{relative}\)
label: Relative permeability
unit: None
description: Relative permeability of soil
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Impermeable' value_secondary='Clay' color='gainsboro'
value='Very low' value_secondary='Silt, silty clay' color='lightgray'
value='Low' value_secondary='Sand, dirty sand, silty sand' color='silver'
value='Medium' value_secondary='Sandy gravel, clean sand, fine sand' color='darkgray'
value='High' value_secondary='Gravel' color='gray'

`remarks`

symbol: \(\text{remarks}\)
label: Remarks
unit: None
description: Additional remarks or notes
data_type: str
corresponding_parameter_name: None

`remolded_undrained_shear_strength`

symbol: \(S_{ur}\)
label: Remolded undrained shear strength
unit: kPa
description: Remolded undrained shear strength of soil
data_type: float
corresponding_parameter_name: None

`remolded_undrained_shear_strength_ratio`

symbol: \(S_{ur\ ratio}\)
label: Remolded undrained shear strength ratio
unit: None
description: Remolded undrained shear strength to effective stress ratio
data_type: float
corresponding_parameter_name: None

`remove_loose_sand_criteria`

symbol: \(\text{remove\_loose\_sand\_criteria}\)
label: Remove loose sand criteria
unit: None
description: Sets K_c = 1.00 for I_c between 1.64 and 2.36 and F_r < 0.5
data_type: bool
corresponding_parameter_name: None

`response_embedment_modification`

symbol: \(RRS_e\)
label: Response embedment modification
unit: None
description: Response spectrum modification for embedment
data_type: float
corresponding_parameter_name: None

`rig_model`

symbol: \(\text{rig\_model}\)
label: Rig model
unit: None
description: Boring rig model
data_type: str
corresponding_parameter_name: None

`rod_length`

symbol: \(\text{rod\_length}\)
label: Rod length
unit: m
description: Total length of SPT rods
data_type: float
corresponding_parameter_name: None

`rod_length_correction`

symbol: \(C_R\)
label: Rod length correction
unit: None
description: SPT correction factor for rod length
data_type: float
corresponding_parameter_name: None

`sample_diameter`

symbol: \(D\)
label: Sample diameter
unit: mm
description: Sample diameter
data_type: float
corresponding_parameter_name: None

`sample_id`

symbol: \(ID\)
label: Sample ID
unit: None
description: Identifier for soil sample
data_type: str
corresponding_parameter_name: None

`sample_name`

symbol: \(ID\)
label: Sample name
unit: None
description: Sample name
data_type: str
corresponding_parameter_name: None

`sampler_correction`

symbol: \(C_S\)
label: Sampler correction
unit: None
description: SPT correction factor for sampling method
data_type: float
corresponding_parameter_name: None

`sampler_type`

symbol: \(\text{sampler\_type}\)
label: Sampler type
unit: None
description: Type of sampler used
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='GB' value_secondary=None color=None
value='SPT' value_secondary=None color=None
value='ST' value_secondary=None color=None
value='RC' value_secondary=None color=None
value='SS' value_secondary=None color=None

`sand_fineness`

symbol: \(\text{sand\_fineness}\)
label: Sand fineness
unit: None
description: Category of sand fineness
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='fine' value_secondary=None color=None
value='medium' value_secondary=None color=None
value='coarse' value_secondary=None color=None

`saturation_ratio`

symbol: \(S_r\)
label: Saturation ratio
unit: None
description: Ratio of water volume to total void space
data_type: float
corresponding_parameter_name: None

`second_interval_blow_count`

symbol: \(N_{second}\)
label: Second interval blow count
unit: None
description: Second interval blow count in SPT
data_type: float
corresponding_parameter_name: None

`sensitivity`

symbol: \(S_t\)
label: Sensitivity
unit: None
description: Sensitivity of soil
data_type: float
corresponding_parameter_name: None

`sensitivity_constant`

symbol: \(N_S\)
label: Sensitivity constant
unit: None
description: Constant for sensitivity calculation
data_type: float
corresponding_parameter_name: None

`shallow_velocity_extrapolation_method`

symbol: \(\text{shallow\_velocity\_extrapolation\_method}\)
label: Shallow velocity extrapolation method
unit: None
description: Method for shallow velocity extrapolation
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='Boore04' value_secondary=None color=None

`shansep_method_m`

symbol: \(m\)
label: SHANSEP method m
unit: None
description: SHANSEP method m parameter
data_type: float
corresponding_parameter_name: None

`shansep_method_s`

symbol: \(s\)
label: SHANSEP method s
unit: None
description: SHANSEP method s parameter
data_type: float
corresponding_parameter_name: None

`shape_factor_cohesion`

symbol: \(s_c\)
label: Shape factor for cohesion
unit: None
description: Shape factor for cohesion in bearing capacity
data_type: float
corresponding_parameter_name: None

`shape_factor_surcharge`

symbol: \(s_q\)
label: Shape factor for surcharge
unit: None
description: Shape factor for surcharge in bearing capacity
data_type: float
corresponding_parameter_name: None

`shape_factor_surcharge_bottom_layer`

symbol: \(s_{q\ bottom}\)
label: Shape factor for surcharge bottom layer
unit: None
description: Shape factor for surcharge of soil beneath foundation
data_type: float
corresponding_parameter_name: None

`shape_factor_unit_weight`

symbol: \(s_γ\)
label: Shape factor for unit weight
unit: None
description: Shape factor for unit weight in bearing capacity
data_type: float
corresponding_parameter_name: None

`shape_parameter`

symbol: \(μ\)
label: Shape parameter
unit: None
description: Shape parameter analogous to a wavenumber
data_type: float
corresponding_parameter_name: None

`shear_modulus`

symbol: \(G\)
label: Shear modulus
unit: MPa
description: Shear modulus of soil
data_type: float
corresponding_parameter_name: None

`shear_modulus_ratio`

symbol: \(G_r\)
label: Shear modulus ratio
unit: None
description: Ratio of stone column to soil shear modulus
data_type: float
corresponding_parameter_name: None

`shear_modulus_reduction_factor`

symbol: \(G/G_0\)
label: Shear modulus reduction factor
unit: None
description: Shear modulus reduction factor for soil
data_type: float
corresponding_parameter_name: None

`shear_percent_contribution`

symbol: \(PC_{shear}\)
label: Shear percent contribution
unit: None
description: Percent contribution from shear (Green et al., 2008)
data_type: float
corresponding_parameter_name: None

`shear_strain_limit`

symbol: \(γ_{lim}\)
label: Shear strain limit
unit: %
description: Limiting value of shear strain
data_type: float
corresponding_parameter_name: None

`shear_strength`

symbol: \(τ\)
label: Shear strength
unit: kPa
description: Shear strength of soil
data_type: float
corresponding_parameter_name: None

`shear_stress`

symbol: \(τ\)
label: Shear stress
unit: kPa
description: Shear stress in soil
data_type: float
corresponding_parameter_name: None

`shear_stress_reduction_coefficient`

symbol: \(r_d\)
label: Shear stress reduction coefﬁcient
unit: None
description: Shear stress reduction coefficient for liquefaction
data_type: float
corresponding_parameter_name: None

`shear_stress_reduction_factor`

symbol: \(K_G\)
label: Shear stress reduction factor
unit: None
description: Shear stress reduction factor for stone columns
data_type: float
corresponding_parameter_name: None

`shear_velocity`

symbol: \(V_s\)
label: Shear velocity
unit: m/s
description: Shear wave velocity of soil
data_type: float
corresponding_parameter_name: None

`shear_velocity_factor`

symbol: \(α_{vs}\)
label: Shear velocity factor
unit: None
description: Shear wave velocity factor
data_type: float
corresponding_parameter_name: None

`sieve_number`

symbol: \(\text{sieve\_number}\)
label: Sieve number
unit: None
description: Sieve number for particle size analysis (SI units)
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='24 "' value_secondary=600.0 color=None
value='12 "' value_secondary=300.0 color=None
value='6 "' value_secondary=150.0 color=None
value='3 "' value_secondary=75.0 color=None
value='2 ½ "' value_secondary=63.0 color=None
value='2 "' value_secondary=50.0 color=None
value='1 ½ "' value_secondary=38.1 color=None
value='1 "' value_secondary=25.0 color=None
value='3/4 "' value_secondary=19.0 color=None
value='1/2 "' value_secondary=12.5 color=None
value='3/8 "' value_secondary=9.5 color=None
value='No. 4' value_secondary=4.75 color=None
value='No. 6' value_secondary=3.35 color=None
value='No. 8' value_secondary=2.36 color=None
value='No. 10' value_secondary=2.0 color=None
value='No. 16' value_secondary=1.18 color=None
value='No. 20' value_secondary=0.85 color=None
value='No. 30' value_secondary=0.6 color=None
value='No. 40' value_secondary=0.425 color=None
value='No. 50' value_secondary=0.3 color=None
value='No. 60' value_secondary=0.25 color=None
value='No. 70' value_secondary=0.212 color=None
value='No. 80' value_secondary=0.18 color=None
value='No. 100' value_secondary=0.15 color=None
value='No. 120' value_secondary=0.125 color=None
value='No. 140' value_secondary=0.106 color=None
value='No. 170' value_secondary=0.088 color=None
value='No. 200' value_secondary=0.075 color=None

`silt_clay_particle_size_breakpoint`

symbol: \(D_{silt\ clay}\)
label: Silt/clay particle size breakpoint
unit: mm
description: Breakpoint for silt and clay particle size
data_type: float
corresponding_parameter_name: None

`site_class`

symbol: \(\text{site\_class}\)
label: Site class
unit: None
description: Seismic site class
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='F' value_secondary=None color=None
value='E' value_secondary=None color=None
value='D' value_secondary=None color=None
value='C' value_secondary=None color=None
value='B' value_secondary=None color=None
value='A' value_secondary=None color=None

`site_class_average`

symbol: \(\text{site\_class\_average}\)
label: Site class average
unit: None
description: Special average for site class determination
data_type: float
corresponding_parameter_name: None

`site_class_e_thickness`

symbol: \(\text{site\_class\_e\_thickness}\)
label: Site class E thickness
unit: m
description: Thickness of Clay [PI (%) > 20 & wc (%) ≥ 40 & Su (kPa) < 24]
data_type: float
corresponding_parameter_name: None

`site_class_f2_thickness`

symbol: \(\text{site\_class\_f2\_thickness}\)
label: Site class F2 thickness
unit: m
description: Thickness of Peat and/or highly organic clays
data_type: float
corresponding_parameter_name: None

`site_class_f3_thickness`

symbol: \(\text{site\_class\_f3\_thickness}\)
label: Site class F3 thickness
unit: m
description: Thickness of Very high plasticity clays [PI (%) > 75]
data_type: float
corresponding_parameter_name: None

`site_class_f4_thickness`

symbol: \(\text{site\_class\_f4\_thickness}\)
label: Site class F4 thickness
unit: m
description: Thickness of Very thick, soft/medium stiff clays [Su (kPa) < 50]
data_type: float
corresponding_parameter_name: None

`site_class_label`

symbol: \(\text{site\_class\_label}\)
label: Site class label
unit: None
description: Label for seismic site class
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Soil requiring site-specific evaluations' value_secondary=None color=None
value='Soft soil' value_secondary=None color=None
value='Stiff soil' value_secondary=None color=None
value='Very dense soil and soft rock' value_secondary=None color=None
value='Rock' value_secondary=None color=None
value='Hard rock' value_secondary=None color=None

`site_ground_condition`

symbol: \(\text{site\_ground\_condition}\)
label: Site ground condition
unit: None
description: Description of site ground condition
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='level_ground' value_secondary=None color=None
value='sloping_ground' value_secondary=None color=None
value='free_face' value_secondary=None color=None

`site_period`

symbol: \(T_n\)
label: Site period
unit: s
description: Natural period of site
data_type: float
corresponding_parameter_name: None

`site_to_seismic_source_distance`

symbol: \(R\)
label: Site-to-seismic-source distance
unit: km
description: Horizontal distance to nearest seismic energy source
data_type: float
corresponding_parameter_name: None

`sleeve_friction`

symbol: \(f_s\)
label: Sleeve friction
unit: kPa
description: Sleeve friction from CPT
data_type: float
corresponding_parameter_name: None

`small_strain_shear_modulus`

symbol: \(G_o\)
label: Small strain shear modulus
unit: MPa
description: Small strain shear modulus of soil
data_type: float
corresponding_parameter_name: None

`soil_behavior_type`

symbol: \(SBT\)
label: Soil behavior type
unit: None
description: Soil behavior type from CPT
data_type: str
corresponding_parameter_name: soil_behavior_type_label

discrete_data

is_categorical: True

value='0' value_secondary=None color=None
value='1' value_secondary=None color=None
value='2' value_secondary=None color=None
value='3' value_secondary=None color=None
value='4' value_secondary=None color=None
value='5' value_secondary=None color=None
value='6' value_secondary=None color=None
value='7' value_secondary=None color=None
value='8' value_secondary=None color=None
value='9' value_secondary=None color=None

`soil_behavior_type_index`

symbol: \(I_c\)
label: Soil behavior type index
unit: None
description: Normalized soil behavior type index from CPT
data_type: float
corresponding_parameter_name: soil_behavior_type_index_label

data_bins

parameter_name: soil_behavior_type_index_label

left=1.0 right=1.31 value='Gravelly sand' color='#FF8A3B'
left=1.31 right=2.05 value='Sands' color='#D19C00'
left=2.05 right=2.6 value='Sand mixtures' color='#61d961'
left=2.6 right=2.95 value='Silt mixtures' color='#2b802b'
left=2.95 right=3.6 value='Clays' color='#213b69'
left=3.6 right=4.0 value='Organic soils' color='#9e3300'

`soil_behavior_type_index_cutoff`

symbol: \(I_{c\ cutoff}\)
label: Soil behavior type index cutoff
unit: None
description: Cutoff for fine soil criteria and transition layer detection
data_type: float
corresponding_parameter_name: None

`soil_behavior_type_index_label`

symbol: \(I_{c\ label}\)
label: Soil behavior type index label
unit: None
description: Label for soil behavior type index
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Gravelly sand' value_secondary='Gravelly sand to dense sand' color='#FF8A3B'
value='Sands' value_secondary='Sands & clean sand to silty\r\nsand' color='#D19C00'
value='Sand mixtures' value_secondary='Sand mixtures & silty sand to\r\nsandy silt' color='#61d961'
value='Silt mixtures' value_secondary='Silt mixtures & clayey silt to\r\nsilty clay' color='#2b802b'
value='Clays' value_secondary='Clays & silty clay to clay' color='#213b69'
value='Organic soils' value_secondary='Organic soils & clay' color='#9e3300'

`soil_behavior_type_label`

symbol: \(SBT_{label}\)
label: Soil behavior type label
unit: None
description: Label for soil behavior type
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary='Other' color='#FF0000'
value='Sensitive fine grained' value_secondary='Sensitive fine grained' color='#D42A1D'
value='Organic soil' value_secondary='Organic material' color='#B46B40'
value='Clay' value_secondary='Clay to silty clay' color='#4B5878'
value='Clay & silty clay' value_secondary='Clayey silt to silty clay' color='#479085'
value='Silty sand & sandy silt' value_secondary='Silty sand to sandy silt' color='#7EC4A0'
value='Sand & silty sand' value_secondary='Clean sand to silty sand' color='#BFA364'
value='Gravely sand & sand' value_secondary='Gravely sand to sand' color='#EB9D4A'
value='Very stiff sand & clayey sand' value_secondary='Very stiff sand to clayey sand' color='#959595'
value='Very stiff fine grained' value_secondary='Very stiff fine grained' color='#E6E6E6'

`soil_behavior_type_schneider`

symbol: \(SBT_{Schneider}\)
label: Soil behavior type Schneider
unit: None
description: Soil behavior type per Schneider classification
data_type: str
corresponding_parameter_name: soil_behavior_type_schneider_label

discrete_data

is_categorical: True

value='0' value_secondary=None color=None
value='1a' value_secondary=None color=None
value='1b' value_secondary=None color=None
value='1c' value_secondary=None color=None
value='2' value_secondary=None color=None
value='3' value_secondary=None color=None

`soil_behavior_type_schneider_label`

symbol: \(SBT_{Schneider\ label}\)
label: Soil behavior type Schneider label
unit: None
description: Label for Schneider soil behavior type
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary='Other' color='#FF0000'
value='Clay and/or Silt' value_secondary="SILTS and 'Low Ir' CLAYS" color='#7EC4A0'
value='Clay' value_secondary='CLAYS' color='#4B5878'
value='Sensitive clay' value_secondary='Sensitive CLAYS' color='#7d8599'
value='Sand' value_secondary='Essentially drained SANDS' color='#BFA364'
value='Transitional' value_secondary='Transitional soils' color='#8ad499'

`soil_classification_index`

symbol: \(ΔQ\)
label: Soil classification index
unit: None
description: Soil classification index per Saye
data_type: float
corresponding_parameter_name: soil_classification_index_uscs_symbol

data_bins

parameter_name: soil_classification_index_label

left=0.0 right=15.0 value='6' color='#9e3300'
left=15.0 right=19.0 value='5' color='#213b69'
left=19.0 right=31.0 value='4' color='#42577d'
left=31.0 right=70.0 value='3' color='#61d961'
left=70.0 right=90.0 value='2' color='#D19C00'
left=90.0 right=inf value='1' color='#FF8A3B'
parameter_name: soil_classification_index_uscs_symbol

left=0.0 right=15.0 value='OL,OH,Pt' color='#9e3300'
left=15.0 right=19.0 value='MH,CH' color='#213b69'
left=19.0 right=31.0 value='ML,CL' color='#42577d'
left=31.0 right=70.0 value='SM,SC,GM,GC' color='#61d961'
left=70.0 right=90.0 value='SP-SM,SP-SC' color='#D19C00'
left=90.0 right=inf value='SP,SW' color='#FF8A3B'

`soil_classification_index_label`

symbol: \(ΔQ_{label}\)
label: Soil classification index label
unit: None
description: Label for soil classification index
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary=None color='black'
value='6' value_secondary=None color='#9e3300'
value='5' value_secondary=None color='#213b69'
value='4' value_secondary=None color='#42577d'
value='3' value_secondary=None color='#61d961'
value='2' value_secondary=None color='#D19C00'
value='1' value_secondary=None color='#FF8A3B'

`soil_classification_index_uscs_symbol`

symbol: \(\text{soil\_classification\_index\_uscs\_symbol}\)
label: Soil classification index USCS symbol
unit: None
description: USCS symbol for soil classification index
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary=None color='black'
value='OL,OH,Pt' value_secondary=None color='#9e3300'
value='MH,CH' value_secondary=None color='#213b69'
value='ML,CL' value_secondary=None color='#42577d'
value='SM,SC,GM,GC' value_secondary=None color='#61d961'
value='SP-SM,SP-SC' value_secondary=None color='#D19C00'
value='SP,SW' value_secondary=None color='#FF8A3B'

`soil_damping_ratio`

symbol: \(β_s\)
label: Soil damping ratio
unit: None
description: Hysteretic damping ratio of soil
data_type: float
corresponding_parameter_name: None

`soil_fraction`

symbol: \(\text{soil\_fraction}\)
label: Soil fraction
unit: None
description: Soil fraction based on ASTM particle size ranges
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Colloids' value_secondary=None color=None
value='Clay' value_secondary=None color=None
value='Silt' value_secondary=None color=None
value='Sand (Fine)' value_secondary=None color=None
value='Sand (Medium)' value_secondary=None color=None
value='Sand (Coarse)' value_secondary=None color=None
value='Gravel (Fine)' value_secondary=None color=None
value='Gravel (Coarse)' value_secondary=None color=None
value='Cobble' value_secondary=None color=None

`soil_origin`

symbol: \(\text{soil\_origin}\)
label: Soil origin
unit: None
description: Origin of soil
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='alluvial' value_secondary=None color=None
value='diluvial' value_secondary=None color=None

`soil_profile_shape`

symbol: \(\text{soil\_profile\_shape}\)
label: Soil profile shape
unit: None
description: Shape of soil profile
data_type: str
corresponding_parameter_name: None

`soil_thickness`

symbol: \(h\)
label: Soil thickness
unit: m
description: Total thickness of soil layers above rigid layer
data_type: float
corresponding_parameter_name: None

`soil_transition`

symbol: \(\text{soil\_transition}\)
label: Soil transition
unit: None
description: Flag for soil type transition
data_type: bool
corresponding_parameter_name: None

`soil_transition_detection`

symbol: \(\text{soil\_transition\_detection}\)
label: Soil transition detection
unit: None
description: Detection of soil type transition
data_type: bool
corresponding_parameter_name: None

`soil_transition_max_index`

symbol: \(I_{c\ max}\)
label: Soil transition max. index
unit: None
description: Maximum I_c for soil type transition
data_type: float
corresponding_parameter_name: None

`soil_transition_min_index`

symbol: \(I_{c\ min}\)
label: Soil transition min. index
unit: None
description: Minimum I_c for soil type transition
data_type: float
corresponding_parameter_name: None

`soil_transition_min_points`

symbol: \(I_{c\ min\ points}\)
label: Soil transition min. points
unit: None
description: Minimum points for soil transition detection
data_type: int
corresponding_parameter_name: None

`soil_transition_min_rate_of_change`

symbol: \(\text{soil\_transition\_min\_rate\_of\_change}\)
label: Soil transition min. rate of change
unit: None
description: Minimum rate of change for soil transition
data_type: float
corresponding_parameter_name: None

`soil_type`

symbol: \(\text{soil\_type}\)
label: Soil type
unit: None
description: Primary soil type description
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary=None color='#FF0000'
value='Rock' value_secondary=None color='#FF0000'
value='Weathered Rock' value_secondary=None color='#FF0000'
value='Residual Soil' value_secondary=None color='#FF0000'
value='Fill' value_secondary=None color='#FF0000'
value='Artificial' value_secondary=None color='#FF0000'
value='Organic' value_secondary=None color='black'
value='Peat' value_secondary=None color='black'
value='Clay' value_secondary=None color='green'
value='Silt' value_secondary=None color='orange'
value='Sand' value_secondary=None color='grey'
value='Gravel' value_secondary=None color='orange'

`soil_type2`

symbol: \(\text{soil\_type2}\)
label: Soil type 2
unit: None
description: Secondary soil type description
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary=None color=None
value='Highly organic' value_secondary=None color=None
value='Fine' value_secondary=None color=None
value='Coarse' value_secondary=None color=None

`soil_type3`

symbol: \(\text{soil\_type3}\)
label: Soil type 3
unit: None
description: Tertiary soil type description
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary=None color=None
value='Clean sand' value_secondary=None color=None
value='Clean sand/Sand with fines' value_secondary=None color=None
value='Sand with fines' value_secondary=None color=None
value='Clean gravel' value_secondary=None color=None
value='Clean gravel/Gravel with fines' value_secondary=None color=None
value='Gravel with fines' value_secondary=None color=None

`soil_type_index`

symbol: \(\text{soil\_type\_index}\)
label: Soil type index
unit: None
description: Index for soil type classification
data_type: str
corresponding_parameter_name: soil_type_index_label

discrete_data

is_categorical: True

value='0' value_secondary=None color=None
value='1' value_secondary=None color=None
value='2' value_secondary=None color=None
value='3' value_secondary=None color=None
value='4a' value_secondary=None color=None
value='4b' value_secondary=None color=None
value='5' value_secondary=None color=None

`soil_type_index_label`

symbol: \(\text{soil\_type\_index\_label}\)
label: Soil type index label
unit: None
description: Label for soil type index
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary='Other' color='#FF0000'
value='Very soft clays' value_secondary='Very Soft Clays, or Sensitive or Collapsible Soils' color='#A5ABBB'
value='Clay and/or Silt' value_secondary='Clay and/or Silt' color='#4B5878'
value='Clayey Silt and/or Silty Clay' value_secondary='Clayey Silt and/or Silty Clay' color='#479085'
value='Sandy Silt' value_secondary='Sandy Silt' color='#7EC4A0'
value='Silty Sand' value_secondary='Silty Sand' color='#BFA364'
value='Sand to Sandy Gravel' value_secondary='Sand to Sandy Gravel' color='#EB9D4A'

`special_cyclic_resistance_ratio_min`

symbol: \(CRR_{min}\)
label: Special cyclic resistance ratio min.
unit: None
description: Minimum cyclic resistance ratio for special soil layers
data_type: float
corresponding_parameter_name: None

`special_layers_thickness`

symbol: \(H\)
label: Special layers thickness
unit: m
description: Thickness of special soil layers (NEHRP F site classification)
data_type: float
corresponding_parameter_name: None

`special_shear_strain_mean`

symbol: \(γ_{0.5\ mean}\)
label: Special shear strain mean
unit: %
description: Mean shear strain at G/G_max=0.5 for special soil layers
data_type: float
corresponding_parameter_name: None

`special_shear_velocity_mean`

symbol: \(V_{s\ mean}\)
label: Special shear velocity mean
unit: m/s
description: Mean shear wave velocity of special soil layers
data_type: float
corresponding_parameter_name: None

`specific_gravity`

symbol: \(G_s\)
label: Specific gravity
unit: None
description: Specific gravity of soil solids
data_type: float
corresponding_parameter_name: None

`specific_gravity_correction`

symbol: \(a\)
label: Specific gravity correction
unit: None
description: Correction for specific gravity (hydrometer calibrated for G_s = 2.65)
data_type: float
corresponding_parameter_name: None

`specimen_id`

symbol: \(\text{specimen\_id}\)
label: Specimen ID
unit: None
description: Identifier for specimen
data_type: str
corresponding_parameter_name: None

`specimen_reference`

symbol: \(\text{specimen\_reference}\)
label: Specimen reference
unit: None
description: Reference name specified for a specimen within a sample
data_type: str
corresponding_parameter_name: None

`spectral_acceleration_at_1_sec`

symbol: \(Sa_1\)
label: Spectral acceleration at 1 sec.
unit: g
description: Spectral acceleration at 1-second period
data_type: float
corresponding_parameter_name: None

`ssi_effects_expected`

symbol: \(\text{ssi\_effects\_expected}\)
label: SSI effects expected
unit: None
description: Indicates expected soil-structure interaction effects
data_type: bool
corresponding_parameter_name: None

`standard_deviation`

symbol: \(σ\)
label: Standard deviation
unit: None
description: Standard deviation for statistical analysis
data_type: float
corresponding_parameter_name: None

`standardized_cumulative_absolute_velocity`

symbol: \(CAV_{STD}\)
label: Standardized cumulative absolute velocity
unit: g-sec
description: Standardized cumulative absolute velocity
data_type: float
corresponding_parameter_name: None

`state_parameter`

symbol: \(ψ\)
label: State parameter
unit: None
description: State parameter for soil
data_type: float
corresponding_parameter_name: None

`static_stiffness`

symbol: \(K\)
label: Static stiffness
unit: MN/m or MN-m/rad
description: Static stiffness for mode j (translation or rotation)
data_type: float
corresponding_parameter_name: None

`stiffness`

symbol: \(k\)
label: Stiffness
unit: MN/m or MN-m/rad
description: Dynamic stiffness for mode j (translation or rotation)
data_type: float
corresponding_parameter_name: None

`stiffness_edge_factor`

symbol: \(R_k\)
label: Stiffness edge factor
unit: None
description: Stiffness edge increase factor
data_type: float
corresponding_parameter_name: None

`stiffness_intensity`

symbol: \(k_i\)
label: Stiffness intensity
unit: MN/m3
description: Stiffness intensity for foundation
data_type: float
corresponding_parameter_name: None

`stiffness_weight_factor_pile`

symbol: \(w_p\)
label: Stiffness weight factor pile
unit: None
description: Weight factor for pile stiffness contribution
data_type: float
corresponding_parameter_name: None

`stiffness_weight_factor_pile_tip`

symbol: \(w_b\)
label: Stiffness weight factor pile tip
unit: None
description: Weight factor for pile tip stiffness contribution
data_type: float
corresponding_parameter_name: None

`stiffness_weight_factor_soil`

symbol: \(w_s\)
label: Stiffness weight factor soil
unit: None
description: Weight factor for soil stiffness contribution
data_type: float
corresponding_parameter_name: None

`stone_column_arrangement`

symbol: \(\text{stone\_column\_arrangement}\)
label: Stone column arrangement
unit: None
description: Arrangement of stone columns
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='none' value_secondary=None color=None
value='triangular' value_secondary=None color=None
value='rectangular' value_secondary=None color=None

`stone_column_bottom_depth`

symbol: \(z_{bottom}\)
label: Stone column bottom depth
unit: m
description: Bottom depth of stone column
data_type: float
corresponding_parameter_name: None

`stone_column_diameter`

symbol: \(D\)
label: Stone column diameter
unit: m
description: Diameter of stone column
data_type: float
corresponding_parameter_name: None

`stone_column_is_present`

symbol: \(sc_{present}\)
label: Stone column is present
unit: None
description: Indicates presence of stone column
data_type: bool
corresponding_parameter_name: None

`stone_column_spacing`

symbol: \(S\)
label: Stone column spacing
unit: m
description: Spacing between stone columns
data_type: float
corresponding_parameter_name: None

`stone_column_top_depth`

symbol: \(z_{top}\)
label: Stone column top depth
unit: m
description: Top depth of stone column
data_type: float
corresponding_parameter_name: None

`stress_influence_factor`

symbol: \(I_z\)
label: Stress influence factor
unit: None
description: Stress influence factor below footing center
data_type: float
corresponding_parameter_name: None

`stress_normalized_cone_resistance`

symbol: \(Q_{tn}\)
label: Stress-normalized cone resistance
unit: None
description: Stress-normalized cone resistance from CPT
data_type: float
corresponding_parameter_name: None

`structure_effective_modal_height`

symbol: \(h\)
label: Structure effective modal height
unit: m
description: Height of center of mass for first-mode shape
data_type: float
corresponding_parameter_name: None

`structure_flexible_period`

symbol: \(T_{flexible}\)
label: Structure flexible period
unit: s
description: Flexible-base period of structure
data_type: float
corresponding_parameter_name: None

`structure_rigid_period`

symbol: \(T\)
label: Structure rigid period
unit: s
description: Undamped natural vibration period of structure
data_type: float
corresponding_parameter_name: None

`structure_to_soil_stiffness_ratio`

symbol: \(h/{V_s\ T}\)
label: Structure-to-soil stiffness ratio
unit: None
description: Ratio of structure to soil stiffness
data_type: float
corresponding_parameter_name: None

`structure_total_height`

symbol: \(h_{total}\)
label: Structure total height
unit: m
description: Building height from foundation to roof
data_type: float
corresponding_parameter_name: None

`subgrade_reaction_modulus_at_diameter`

symbol: \(k_{sd}\)
label: Subgrade reaction modulus at diameter
unit: MPa
description: Subgrade reaction modulus at one pile diameter
data_type: float
corresponding_parameter_name: None

`surface_elevation`

symbol: \(\text{surface\_elevation}\)
label: Surface elevation
unit: m
description: Ground surface elevation
data_type: float
corresponding_parameter_name: None

`temperature`

symbol: \(T\)
label: Temperature
unit: °C
description: Temperature during testing
data_type: float
corresponding_parameter_name: None

`temperature_correction`

symbol: \(F_T\)
label: Temperature correction
unit: None
description: Correction for hydrometer test temperature (not 20°C)
data_type: float
corresponding_parameter_name: None

`test_id`

symbol: \(\text{test\_id}\)
label: Test ID
unit: None
description: Identifier for test
data_type: str
corresponding_parameter_name: None

`test_type`

symbol: \(\text{test\_type}\)
label: Test type
unit: None
description: Type of test
data_type: str
corresponding_parameter_name: None

`thickness`

symbol: \(H\)
label: Thickness
unit: m
description: Thickness of soil layer
data_type: float
corresponding_parameter_name: None

`thickness_liquefiable_layer`

symbol: \(H_2\)
label: Thickness of liquefiable layer
unit: m
description: Thickness of liquefiable sand layer
data_type: float
corresponding_parameter_name: None

`thickness_non_liquefiable_layer`

symbol: \(H_1\)
label: Thickness of non liquefiable layer
unit: m
description: Thickness of non-liquefiable surface layer
data_type: float
corresponding_parameter_name: None

`thickness_top_layer`

symbol: \(H_{top}\)
label: Thickness of top layer
unit: m
description: Thickness of top soil layer from beneath foundation embedment
data_type: float
corresponding_parameter_name: None

`third_interval_blow_count`

symbol: \(N_{third}\)
label: Third interval blow count
unit: None
description: Third interval blow count in SPT
data_type: float
corresponding_parameter_name: None

`time_step`

symbol: \(Δt\)
label: Time step
unit: s
description: Time step for dynamic analysis
data_type: float
corresponding_parameter_name: None

`total_stress`

symbol: \(σ_v\)
label: Total stress
unit: kPa
description: Total vertical stress in soil
data_type: float
corresponding_parameter_name: None

`total_stress_inc`

symbol: \(σ_{v\ inc}\)
label: Total stress inc.
unit: kPa
description: Total stress in soil increment
data_type: float
corresponding_parameter_name: None

`total_vertical_stiffness`

symbol: \(k_{z\ total}\)
label: Total vertical stiffness
unit: MN/m
description: Total dynamic vertical stiffness of foundation
data_type: float
corresponding_parameter_name: None

`triaxial_planes_correction`

symbol: \(K_r\)
label: Triaxial planes correction
unit: None
description: Correction for shearing of incorrect planes in cyclic triaxial test
data_type: float
corresponding_parameter_name: None

`tributary_area`

symbol: \(\text{tributary\_area}\)
label: Tributary area
unit: m2
description: Tributary area for load distribution
data_type: float
corresponding_parameter_name: None

`true_depth`

symbol: \(z_{true}\)
label: True depth
unit: m
description: Inclination-corrected depth
data_type: float
corresponding_parameter_name: None

`ultimate_bearing_capacity`

symbol: \(Q_{ult}\)
label: Ultimate bearing capacity
unit: kPa
description: Ultimate bearing capacity of foundation
data_type: float
corresponding_parameter_name: None

`ultimate_bearing_capacity_limit`

symbol: \(Q_{ult\ lim}\)
label: Ultimate bearing capacity limit
unit: kPa
description: Limit for ultimate bearing capacity
data_type: float
corresponding_parameter_name: None

`unconfined_compressive_strength`

symbol: \(q_u\)
label: Unconfined compressive strength
unit: kPa
description: Unconfined compressive strength of soil
data_type: float
corresponding_parameter_name: None

`undrained_shear_strength`

symbol: \(S_u\)
label: Undrained shear strength
unit: kPa
description: Undrained shear strength of soil
data_type: float
corresponding_parameter_name: consistency

data_bins

parameter_name: consistency

left=0.0 right=12.5 value='Very soft' color='gainsboro'
left=12.5 right=25.0 value='Soft' color='lightgray'
left=25.0 right=50.0 value='Medium' color='silver'
left=50.0 right=100.0 value='Stiff' color='darkgray'
left=100.0 right=200.0 value='Very stiff' color='gray'
left=200.0 right=inf value='Hard' color='dimgray'

`undrained_shear_strength_bottom_layer`

symbol: \(S_{u\ bottom}\)
label: Undrained shear strength bottom layer
unit: kPa
description: Undrained shear strength of clay beneath foundation
data_type: float
corresponding_parameter_name: None

`undrained_shear_strength_factor`

symbol: \(N_{kt}\)
label: Undrained shear strength factor
unit: None
description: Factor for undrained shear strength
data_type: float
corresponding_parameter_name: None

`undrained_shear_strength_ratio`

symbol: \(S_{u\ ratio}\)
label: Undrained shear strength ratio
unit: None
description: Undrained shear strength to effective stress ratio
data_type: float
corresponding_parameter_name: None

`undrained_shear_strength_torvane`

symbol: \(S_{u\ torvane}\)
label: Undrained shear strength Torvane
unit: kPa
description: Undrained shear strength from Torvane test
data_type: float
corresponding_parameter_name: None

`uniformity_coefficient`

symbol: \(C_u\)
label: Uniformity coefficient
unit: None
description: Uniformity coefficient for particle size distribution
data_type: float
corresponding_parameter_name: None

`unit_adhesion`

symbol: \(c_α\)
label: Unit adhesion
unit: kPa
description: Unit adhesion for pile shaft
data_type: float
corresponding_parameter_name: None

`unit_adhesion_to_cohesion_ratio`

symbol: \(c_α/c_1\)
label: Unit adhesion to cohesion ratio
unit: None
description: Ratio of unit adhesion to unit cohesion
data_type: float
corresponding_parameter_name: None

`unit_side_friction`

symbol: \(f_p\)
label: Unit side friction
unit: MPa
description: Pile unit side friction
data_type: float
corresponding_parameter_name: None

`unit_side_friction_clip`

symbol: \(f_{p\ clip}\)
label: Unit side friction clip
unit: None
description: Applies clip to pile unit side friction
data_type: bool
corresponding_parameter_name: None

`unit_side_friction_coefficient`

symbol: \(C_s\)
label: Unit side friction coefficient
unit: None
description: Coefficient for pile unit side friction
data_type: float
corresponding_parameter_name: None

`unit_side_friction_limit`

symbol: \(f_{p\ lim}\)
label: Unit side friction limit
unit: MPa
description: Limit for pile unit side friction
data_type: float
corresponding_parameter_name: None

`unit_weight`

symbol: \(γ\)
label: Unit weight
unit: kN/m3
description: Unit weight of soil
data_type: float
corresponding_parameter_name: None

`unit_weight_bottom_layer`

symbol: \(γ_{bottom}\)
label: Unit weight bottom layer
unit: kN/m3
description: Unit weight of soil beneath foundation
data_type: float
corresponding_parameter_name: None

`uscs_description`

symbol: \(\text{uscs\_description}\)
label: USCS description
unit: None
description: Unified Soil Classification System description
data_type: str
corresponding_parameter_name: None

`uscs_symbol`

symbol: \(\text{uscs\_symbol}\)
label: USCS symbol
unit: None
description: Unified Soil Classification System symbol
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Other' value_secondary=None color='#FF0000'
value='Rock' value_secondary=None color='#FF0000'
value='Weathered Rock' value_secondary=None color='#FF0000'
value='Residual Soil' value_secondary=None color='#FF0000'
value='Fill' value_secondary=None color='#FF0000'
value='Artificial' value_secondary=None color='#FF0000'
value='Peat' value_secondary=None color='brown'
value='Pt' value_secondary=None color='brown'
value='Organic' value_secondary=None color='brown'
value='OL' value_secondary=None color='brown'
value='OH' value_secondary=None color='brown'
value='Clay' value_secondary=None color='green'
value='CL' value_secondary=None color='green'
value='CL-ML' value_secondary=None color='green'
value='CH' value_secondary=None color='green'
value='Silt' value_secondary=None color='orange'
value='ML' value_secondary=None color='orange'
value='MH' value_secondary=None color='orange'
value='Sand' value_secondary=None color='grey'
value='SW' value_secondary=None color='grey'
value='SP' value_secondary=None color='grey'
value='SP-SW' value_secondary=None color='grey'
value='SW-SM' value_secondary=None color='grey'
value='SW-SC' value_secondary=None color='grey'
value='SP-SM' value_secondary=None color='grey'
value='SP-SC' value_secondary=None color='grey'
value='SM' value_secondary=None color='grey'
value='SC' value_secondary=None color='grey'
value='SC-SM' value_secondary=None color='grey'
value='Gravel' value_secondary=None color='orange'
value='GW' value_secondary=None color='orange'
value='GP' value_secondary=None color='orange'
value='GP-GW' value_secondary=None color='orange'
value='GW-GM' value_secondary=None color='orange'
value='GW-GC' value_secondary=None color='orange'
value='GP-GM' value_secondary=None color='orange'
value='GP-GC' value_secondary=None color='orange'
value='GM' value_secondary=None color='orange'
value='GC' value_secondary=None color='orange'
value='GC-GM' value_secondary=None color='orange'

`usda_description`

symbol: \(\text{usda\_description}\)
label: USDA description
unit: None
description: USDA soil classification description
data_type: str
corresponding_parameter_name: None

`usda_symbol`

symbol: \(\text{usda\_symbol}\)
label: USDA symbol
unit: None
description: USDA soil classification symbol
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: True

value='Cl' value_secondary='clay' color='#be826c'
value='SiCl' value_secondary='silty clay' color='#cc6d4d'
value='SaCl' value_secondary='sandy clay' color='#e99641'
value='ClLo' value_secondary='clay loam' color='#e47b3b'
value='SiClLo' value_secondary='silty clay loam' color='#ef9360'
value='SaClLo' value_secondary='sandy clay loam' color='#efaf6f'
value='Lo' value_secondary='loam' color='#f0a654'
value='SiLo' value_secondary='silt loam' color='#d09662'
value='SaLo' value_secondary='sandy loam' color='#faba75'
value='Si' value_secondary='silt' color='#dfb48f'
value='LoSa' value_secondary='loamy sand' color='#eacfbc'
value='Sa' value_secondary='sand' color='#eee6da'

`use_alternate_equation`

symbol: \(\text{use\_alternate\_equation}\)
label: Use alternate equation
unit: None
description: Uses alternate equation for calculations
data_type: bool
corresponding_parameter_name: None

`use_constant_volume_friction_angle`

symbol: \(\text{use\_constant\_volume\_friction\_angle}\)
label: Use constant volume friction angle
unit: None
description: Uses constant volume friction angle for residual strength
data_type: bool
corresponding_parameter_name: None

`use_lower_bound`

symbol: \(\text{use\_lower\_bound}\)
label: Use lower bound
unit: None
description: Uses lower bound for applicable formulations
data_type: bool
corresponding_parameter_name: None

`use_simplified_blows_correction`

symbol: \(\text{use\_simplified\_blows\_correction}\)
label: Use simplified blows correction
unit: None
description: Applies SPT blow count correction for energy only
data_type: bool
corresponding_parameter_name: None

`values_to_average`

symbol: \(\text{values\_to\_average}\)
label: Values to average
unit: None
description: Values used for averaging
data_type: float
corresponding_parameter_name: None

`vented_control_unit_reading_a`

symbol: \(Z_{M\ A}\)
label: Vented control unit reading for A
unit: kPa
description: Control unit reading when system is vented for A
data_type: float
corresponding_parameter_name: None

`vented_control_unit_reading_b`

symbol: \(Z_{M\ B}\)
label: Vented control unit reading for B
unit: kPa
description: Control unit reading when system is vented for B
data_type: float
corresponding_parameter_name: None

`vertical_stiffness`

symbol: \(k_z\)
label: Vertical stiffness
unit: MN/m
description: Dynamic vertical stiffness of foundation
data_type: float
corresponding_parameter_name: None

`vertical_stiffness_intensity`

symbol: \(k_z^i\)
label: Vertical stiffness intensity
unit: MN/m3
description: Vertical stiffness intensity for foundation
data_type: float
corresponding_parameter_name: None

`vibration_constant`

symbol: \(χ\)
label: Vibration constant
unit: None
description: Dimensionless constant for vibration for mode j
data_type: float
corresponding_parameter_name: None

`vibration_mode`

symbol: \(j\)
label: Vibration mode
unit: None
description: Vibration mode for dynamic analysis
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='x' value_secondary=None color=None
value='y' value_secondary=None color=None
value='z' value_secondary=None color=None
value='xx' value_secondary=None color=None
value='yy' value_secondary=None color=None
value='xx and yy' value_secondary=None color=None
value='zz' value_secondary=None color=None

`vibration_mode_group`

symbol: \(j_{group}\)
label: Vibration mode group
unit: None
description: Vibration mode group
data_type: str
corresponding_parameter_name: None

discrete_data

is_categorical: False

value='x overall' value_secondary=None color=None
value='y overall' value_secondary=None color=None
value='x base spring' value_secondary=None color=None
value='y base spring' value_secondary=None color=None
value='z' value_secondary=None color=None
value='xx' value_secondary=None color=None
value='yy' value_secondary=None color=None
value='zz' value_secondary=None color=None

`void_ratio`

symbol: \(e\)
label: Void ratio
unit: None
description: Void ratio of soil
data_type: float
corresponding_parameter_name: None

`void_redistribution_is_significant`

symbol: \(\text{void\_redistribution\_is\_significant}\)
label: Void redistribution is significant
unit: None
description: Applies for I&B residual shear strength calculations
data_type: bool
corresponding_parameter_name: None

`volumetric_strain`

symbol: \(ε_v\)
label: Volumetric strain
unit: %
description: Volumetric strain in soil
data_type: float
corresponding_parameter_name: None

`volumetric_strain_depth_weighting_factor`

symbol: \(DF\)
label: Volumetric strain depth weighting factor
unit: None
description: Depth weighting factor for volumetric strain
data_type: float
corresponding_parameter_name: None

`water_content`

symbol: \(w_c\)
label: Water content
unit: %
description: Natural water content of soil
data_type: float
corresponding_parameter_name: None

`water_content_liquid_limit_ratio`

symbol: \(w_c\ /\ LL\)
label: Water content to liquid limit ratio
unit: None
description: Ratio of water content to liquid limit
data_type: float
corresponding_parameter_name: None

`water_content_trials`

symbol: \(w_c\)
label: Water content (trials)
unit: %
description: Natural water content for each trial
data_type: float
corresponding_parameter_name: None

`water_table`

symbol: \(z_w\)
label: Water table
unit: m
description: Depth to water table below ground surface
data_type: float
corresponding_parameter_name: None

`water_table_present`

symbol: \(z_{w\ present}\)
label: Water table present
unit: None
description: Indicates presence of water table
data_type: bool
corresponding_parameter_name: None

`water_unit_weight`

symbol: \(γ_w\)
label: Water unit weight
unit: kN/m3
description: Unit weight of water
data_type: float
corresponding_parameter_name: None

`zero_correction`

symbol: \(F_z\)
label: Zero correction
unit: None
description: Hydrometer zero correction for deflocculating agent
data_type: float
corresponding_parameter_name: None

`zero_friction_length`

symbol: \(ZFL\)
label: Zero-friction length
unit: m
description: Pile zero-friction length
data_type: float
corresponding_parameter_name: None

`zone_letter`

symbol: \(\text{zone\_letter}\)
label: Zone letter
unit: None
description: UTM WGS84 zone letter
data_type: str
corresponding_parameter_name: None

`zone_number`

symbol: \(\text{zone\_number}\)
label: Zone number
unit: None
description: UTM WGS84 zone number
data_type: int
corresponding_parameter_name: None