IfcArchElementTypeEnum

Item	SPF	XML	Change	Description
IFC4X3_ADD2 to IFC4X4_draft
IfcArchElementTypeEnum			ADDED

Semantic definitions at the type

Type definition

This enumeration defines the different types of elements an IfcArchElement or IfcArchElementType object can be defined as.

Enumeration definition

Constant	Description
SEGMENT	An arch element segment typically part of a larger IfcElementAssembly of type ARCH or RING.
LINING	An arch element used for lining inside curved structures, e.g using sprayed concrete or similar methods.
STEELRIB	Reinforcement cages or steel profiles are shaped as arcs along the rock perimeter of the tunnel.
USERDEFINED	User-defined type.
NOTDEFINED	Undefined type.

Formal representations

XML Specification

 <xs:simpleType name="IfcArchElementTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="segment"/>

   <xs:enumeration value="lining"/>

   <xs:enumeration value="steelrib"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcArchElementTypeEnum = ENUMERATION OF (

 SEGMENT, 
 LINING, 
 STEELRIB, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram