Pset_MaterialConcrete A set of extended mechanical properties related to concrete materials. IfcMaterial/Concrete IfcMaterial/Concrete CompressiveStrength The compressive strength of the concrete. Compressive Strength MaxAggregateSize The maximum aggregate size of the concrete. Max Aggregate Size AdmixturesDescription Description of the admixtures added to the concrete mix. Admixtures Description Workability Description of the workability of the fresh concrete defined according to local standards. Workability WaterImpermeability Description of the water impermeability denoting the water repelling properties. Water Impermeability ProtectivePoreRatio The protective pore ratio indicating the frost-resistance of the concrete. Protective Pore Ratio