IfcModulusOfRotationalSubgradeReactionSelect

Natural language names
Modulus Of Rotational Subgrade Reaction Select
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4 4.0.0.0
    IfcModulusOfRotationalSubgradeReactionSelectADDED
IFC2x3 to IFC4 4.0.0.0
    IfcModulusOfRotationalSubgradeReactionSelectADDED
Semantic definitions at the type
Type definition

A measure for modulus of rotational subgrade reaction which expresses the rotational bedding of a structural curve item per length. TRUE denotes infinite stiffness (rigidity). FALSE denotes no stiffness (a release). A numeric value denotes finite linear-elastic stiffness.

HISTORY  New type in IFC4.

Select definition
TypeDescription
IfcBoolean
IfcModulusOfRotationalSubgradeReactionMeasure
Formal representations
XML Specification
 <xs:group name="IfcModulusOfRotationalSubgradeReactionSelect">
  <xs:choice>
   <xs:element ref="ifc:IfcBoolean-wrapper"/>
   <xs:element ref="ifc:IfcModulusOfRotationalSubgradeReactionMeasure-wrapper"/>
  </xs:choice>
 </xs:group>
EXPRESS Specification
TYPE IfcModulusOfRotationalSubgradeReactionSelect = SELECT (
 IfcBoolean,
 IfcModulusOfRotationalSubgradeReactionMeasure);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

References  References: IfcBoundaryEdgeCondition

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