IfcColumnTypeEnum

Semantic definitions at the type

Type definition

This enumeration defines the different predefined types of columns that can further specify an IfcColumn or IfcColumnType.

HISTORY New Enumeration in IFC2x2.

Enumeration definition

Constant	Description
COLUMN	A standard member usually vertical and requiring resistance to vertical forces by compression but also sometimes to lateral forces.
PILASTER	A column element embedded within a wall that can be required to be load bearing but may also only be used for decorative purposes.
PIERSTEM	An individual vertical part of a pier, may be a simple column, i.e. no breakdown into segments or separate structural parts such as flanges and web(s), or may be an aggregation of segments and/or parts.
PIERSTEM_SEGMENT	A vertical segment of a pier column.
STANDCOLUMN	A column transmitting vertical loads from superstructure to an arch below it.
USERDEFINED	User-defined linear element.
NOTDEFINED	Undefined linear element.

Formal representations

XML Specification

 <xs:simpleType name="IfcColumnTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="column"/>

   <xs:enumeration value="pilaster"/>

   <xs:enumeration value="pierstem"/>

   <xs:enumeration value="pierstem_segment"/>

   <xs:enumeration value="standcolumn"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcColumnTypeEnum = ENUMERATION OF (

 COLUMN, 
 PILASTER, 
 PIERSTEM, 
 PIERSTEM_SEGMENT, 
 STANDCOLUMN, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram

Item	SPF	XML	Change	Description
IFC2x3 to IFC4 4.0.0.0
IfcColumnTypeEnum
PILASTER			ADDED
IFC4x2 Candidate 4.2.0.0
IfcColumnTypeEnum
PIERSTEM			ADDED
PIERSTEM_SEGMENT			ADDED
STANDCOLUMN			ADDED

	Column Type Enum
	Énumération des types de poteau