IFC 4.3.0.1 (IFC4X3) development

6.6.2.1 IfcCourseTypeEnum

6.6.2.1.1 Semantic definition

This container defines the different predefined types of course elements that can further specify an IfcCourse or IfcCourseType.

6.6.2.1.2 Type values

Type Description
ARMOUR

An Aggregate layer whose primary function is to protect against erosion of the underlying material by water e.g. riprap.

NOTE Definition from ISO 21650: protective layer on a breakwater, seawall or other rubble mound structures composed of armour units

BALLASTBED

Layer composed of broken stones under the sleepers.

CORE

A core course is the bulk internal structure of aggregate structures.

FILTER

An Intermediate layer whose primary function is to prevent the washing through of fine materials.

PAVEMENT

A layer within a pavement structure that forms a paved area or road.

PROTECTION

Layer with the primary task to provide protection against erosion and scour.

USERDEFINED

User-defined type

NOTDEFINED

Undefined type.

Table 6.6.2.1.A

6.6.2.1.3 Formal representation

TYPE IfcCourseTypeEnum = ENUMERATION OF
	(ARMOUR
	,BALLASTBED
	,CORE
	,FILTER
	,PAVEMENT
	,PROTECTION
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;

6.6.2.1.4 References

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