Research Article
A New Framework to Address BIM Interoperability in the AEC Domain from Technical and Process Dimensions
Table 3
IFC-based invariant material signatures representation implementations.
| Parameters name | Unit information | Material type | IFC representations of “NominalValue” |
| Mass density | kg/m3 | Steel, concrete, and wood | IfcMassDensityMeasure | Young’s modulus | N/m2 | Steel, concrete, and wood | IfcModulusOfElasticityMeasure | Shear modulus | N/m2 | Steel, concrete, and wood | IfcShearModulusMeasure | Poisson’s ratio | | Steel, concrete, and wood | IfcPositiveRatioMeasure or IfcRatioMeasure | Thermal expansion coefficient | °C-1 | Steel and concrete | IfcThermalExpansionCoefficientMeasure | Ultimate stress, yield stress, and compressive strength | N/m2 | Steel and concrete | IfcPressureMeasure |
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