IfcProjectionElementTypeEnum

Natural language names
Projection Element Type Enum
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4 4.0.0.0
    IfcProjectionElementTypeEnumADDED
IFC4x2 Candidate 4.2.0.0
    IfcProjectionElementTypeEnum
      BLISTERADDED
      DEVIATORADDED
Semantic definitions at the type
Type definition

This enumeration defines the basic types of projection elements.

NOTE  Cuurently no predefined are defined.

HISTORY  New enumeration in IFC4.

Enumeration definition
ConstantDescription
BLISTER

Part of concrete where the anchor for pre-stressing tendon can be embedded.

DEVIATOR

Part of concrete where re-direction of an external pre-stressed tendon can be embedded.

USERDEFINED

User-defined projection element.

NOTDEFINED

Undefined projection element.

Formal representations
XML Specification
 <xs:simpleType name="IfcProjectionElementTypeEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="blister"/>
   <xs:enumeration value="deviator"/>
   <xs:enumeration value="userdefined"/>
   <xs:enumeration value="notdefined"/>
  </xs:restriction>
 </xs:simpleType>
EXPRESS Specification
TYPE IfcProjectionElementTypeEnum = ENUMERATION OF (
 BLISTER,
 DEVIATOR,
 USERDEFINED,
 NOTDEFINED);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcProjectionElement

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