IFC (IFC4X3_ADD2) under development Pset_SolidStratumCapacity Semantic definition

Properties expressing the capacity of a stratum using physical measures. Regional and National conventions should be captured through classification and specific property sets. Applicable entities Properties

Name Property Type Data Type Description
CohesionBehaviour IfcPropertySingleValue IfcPressureMeasure

Cohesive shear strength of a rock or soil that is independent of interparticle friction.

FrictionAngle IfcPropertySingleValue IfcPlaneAngleMeasure

Friction angle is the tested inclination angle from horizontal.

FrictionBehaviour IfcPropertySingleValue IfcPressureMeasure

Friction shear strength of a rock or soil that is dependent on interparticle friction.

GrainSize IfcPropertySingleValue IfcPositiveLengthMeasure

Grain size diameter.

HydraulicConductivity IfcPropertySingleValue IfcLinearVelocityMeasure

Hydraulic Conductivity (permeability) of soil for water, given with the K or Kf value in m/s

LoadBearingCapacity IfcPropertySingleValue IfcPlanarForceMeasure

Maximum load bearing capacity of the floor structure throughtout the storey as designed.

NValue IfcPropertySingleValue IfcCountMeasure

Blow count from standard penetration testing, to ISO 22476-3, ASTM D1586[1] and Australian Standards AS 1289.6.3.1, which correlates to other engineering properties of soils.

PermeabilityBehaviour IfcPropertySingleValue IfcRatioMeasure

Proportionality constant in Darcy's law which relates flow rate and viscosity to a pressure gradient applied to the porous media.

PoisonsRatio IfcPropertySingleValue IfcRatioMeasure

Ratio of transverse contraction strain to longitudinal extension strain in the direction of stretching force.

PwaveVelocity IfcPropertySingleValue IfcLinearVelocityMeasure

P-wave velocity of a rock or soil.

Resistivity IfcPropertySingleValue IfcElectricResistanceMeasure

Electrical resistivity of a rock or soil (Ohm-m).

SettlementBehaviour IfcPropertySingleValue IfcPressureMeasure

Estimate of the settlement/compaction behaviour of the stratum.

SwaveVelocity IfcPropertySingleValue IfcLinearVelocityMeasure

S-wave velocity of a rock or soil.


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