IfcBearingTypeEnum

Item	SPF	XML	Change	Description
IFC4x2 Candidate 4.2.0.0
IfcBearingTypeEnum			ADDED

Semantic definitions at the type

Type definition

Enumeration definition

Constant	Description
CYLINDRICAL	The bearing functionality is provided by cylinder in a concave cylinder.
SPHERICAL	The bearing functionality is provided by convex dome in a concave basin.
ELASTOMERIC	A pad bearing which carries vertical load by contact stresses between a sheet of sliding material and a mating surface that permits movements by sliding and accommodates rotation by deformation of the elastomer.
POT	A bearing which carries vertical load by compression of an (elastomeric) disc confined in a (steel) cylinder and which accommodates rotations by deformations of the disc.
GUIDE	A bearing that ensures that the structure maintains the correct location or expansion/contraction path and takes no vertical load. Inlcudes also restraint bearings.
ROCKER	The bearing functionality is provided by a rocker construction. Includes line rocker and point rocker bearings.
ROLLER	The bearing functionality is provided by one or more rollers that are placed between two plates.
DISK	A disk bearing consist of an elastomeric disc between two metal plates.
USERDEFINED	User-defined bearing element.
NOTDEFINED	Undefined bearing element.

Formal representations

XML Specification

 <xs:simpleType name="IfcBearingTypeEnum">

  <xs:restriction base="xs:string">

   <xs:enumeration value="cylindrical"/>

   <xs:enumeration value="spherical"/>

   <xs:enumeration value="elastomeric"/>

   <xs:enumeration value="pot"/>

   <xs:enumeration value="guide"/>

   <xs:enumeration value="rocker"/>

   <xs:enumeration value="roller"/>

   <xs:enumeration value="disk"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcBearingTypeEnum = ENUMERATION OF (

 CYLINDRICAL, 
 SPHERICAL, 
 ELASTOMERIC, 
 POT, 
 GUIDE, 
 ROCKER, 
 ROLLER, 
 DISK, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram