IFC4.3.x-development
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buildingSMART
Repository to collect updates to the IFC4.3 Specification
This is a bit of an oddity, but most base quantity qtos have "Base" in the name, like Qto_WallBaseQuantities. BuildingElementProxy is the odd one out and does not have "Base"...
This was a bit of a special behaviour back in IFC4, but in IFC4 there were definitions such as: ``` #22910= IFCPROPERTYSETTEMPLATE('3EWsy0qUqHuO00025QrE$V',$,'Pset_MaterialSteel','A set of extended mechanical properties related to steel...
### Description This pull request refines the definition of the Fraction attribute in the IfcMaterialConstituent entity. Previously, Fraction could represent volume or weight, leading to potential inconsistencies. ### Change Volume-Specific...
The property "CamberAtMidspan" is currently located in Pset_PrecastConcreteElementGeneral. However, camber information is relevant to most/all beams regardless of material and construction type. Would request moving "CamberAtMidspan" to Pset_BeamCommon Another option...
- Pset_ConcreteElementGeneral - Pset_FastenerRailWald - Pset_MechanicalFastenerTypeRailJoint It was kept in Pset_BuildingCommon.
An IfcCostItem's CostQuantities may be either: 1. Arbitrarily defined as an IfcPhysicalQuantity 2. Parametrically defined as an IfcPhysicalQuantity that is both referenced by the CostQuantities and a related thing. The...
Currently, I can only find the bearing or load capacity via [LoadCapacity](https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/property/LoadCapacity.htm) in [Pset_ElementAssemblyTypeRigidFrame](https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/Pset_ElementAssemblyTypeRigidFrame.htm) and [Pset_CessBetweenRails](https://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/Pset_CessBetweenRails.htm). But the concept should be more generalized to be applicable to any structural element...
LoadBearingCapacity has datatype IfcPlanarForceMeasure and has description "Maximum load bearing capacity of the floor structure throughtout the storey as designed." The original property LoadBearingCapacityArea had the datatype IfcPressureMeasure and description...
The section that mentions 'YDIM' specifies it as the 'width of the rectangle', however, shouldn't it correctly be the 'height of the rectangle'?" 
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Repository to collect updates to the IFC4.3 Specification