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. |
6.6.2.1.3 Formal representation
TYPE IfcCourseTypeEnum = ENUMERATION OF
(ARMOUR
,BALLASTBED
,CORE
,FILTER
,PAVEMENT
,PROTECTION
,USERDEFINED
,NOTDEFINED);
END_TYPE;