IFC 4.3.0.1 (IFC4X3) development

8.15.3.23 IfcSectionProperties

8.15.3.23.1 Semantic definition

IfcSectionProperties defines the cross section properties for a single longitudinal piece of a cross section. It is a special-purpose helper class for IfcSectionReinforcementProperties.

The section piece may be either uniform or tapered. In the latter case an end profile should also be provided. The start and end profiles are assumed to be of the same profile type. Generally only rectangular or circular cross section profiles are assumed to be used.

8.15.3.23.2 Entity inheritance

8.15.3.23.3 Attributes

# Attribute Type Description
IfcPropertyAbstraction (1)
HasExternalReferences SET [0:?] OF IfcExternalReferenceRelationship FOR RelatedResourceObjects

Reference to an external reference, e.g. library, classification, or document information, that is associated to the property definition.

Click to show 1 hidden inherited attributes Click to hide 1 inherited attributes
IfcSectionProperties (3)
1 SectionType IfcSectionTypeEnum

An indicator whether a specific piece of a cross section is uniform or tapered in longitudinal direction.

2 StartProfile IfcProfileDef

The cross section profile at the start point of the longitudinal section.

3 EndProfile OPTIONAL IfcProfileDef

The cross section profile at the end point of the longitudinal section.

Table 8.15.3.23.A

8.15.3.23.4 Formal representation

ENTITY IfcSectionProperties
 SUBTYPE OF (IfcPreDefinedProperties);
	SectionType : IfcSectionTypeEnum;
	StartProfile : IfcProfileDef;
	EndProfile : OPTIONAL IfcProfileDef;
END_ENTITY;

8.15.3.23.5 References

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