6.5.4.60 Pset_LabTestResult

PSET_OCCURRENCEDRIVEN / IfcGeoScienceObservation / LABTESTRESULT

Properties resulting from commonly conducted laboratory tests on soil, rock or fluid specimens.
Change log
ItemSPFXMLChangeDescription
IFC4X3_ADD2 to IFC4X4_draft
    Pset_LabTestResultADDED
Properties

PSD-XML

NameTypeDescription
TestedMaterial P_SINGLEVALUE / IfcLabel Description of the tested material, e.g. according to existing rock and soil classification systems.
UnconfinedCompressiveStrength P_SINGLEVALUE / IfcPressureMeasure The unconfined compressive strength (UCS) is the maximum axial compressive stress that a right-cylindrical sample of material can withstand under unconfined conditions.
YoungModulus P_SINGLEVALUE / IfcModulusOfElasticityMeasure Elastic modulus, mean value, α=0°.
MassDensity P_SINGLEVALUE / IfcMassDensityMeasure
Mass DensityMaterial mass density.
WaterContent P_SINGLEVALUE / IfcPositiveRatioMeasure The ratio of weight of water Ww to the weight of solids (Ws or Wd) in a given mass of soil or rock.
Porosity P_SINGLEVALUE / IfcPositiveRatioMeasure The volumetric fraction of pores in the material.
CohesionBehaviour P_SINGLEVALUE / IfcPressureMeasure Cohesive shear strength of a rock or soil that is independent of interparticle friction.
FrictionAngle P_SINGLEVALUE / IfcPlaneAngleMeasure Derived from the Mohr-Coulomb failure criterion and used to describe the friction shear resistance of ground materials, together with the normal effective stress.
LiquidLimits P_SINGLEVALUE / IfcPositiveRatioMeasure The water content in percent where the soil starts to behave as a liquid.
NOTE  Definition according to ISO17892.
PlasticLimit P_SINGLEVALUE / IfcPositiveRatioMeasure The water content in percent where the soil starts to behave as a semi-solid state.
NOTE  Definition according to ISO17892.
PlasticityIndex P_SINGLEVALUE / IfcPositiveRatioMeasure The plasticity index Ip is the numerical difference between the liquid limit and plastic limit of a fine soil. IP = wL - wP.
Slaking P_SINGLEVALUE / IfcLabel The crumbling and disintegration of rock or hard soil upon exposure to air or water.
HydraulicConductivity P_SINGLEVALUE / IfcLinearVelocityMeasure Hydraulic Conductivity (permeability) of soil for water, given with the K or Kf value in m/s.

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