 | Modulus Of Rotational Subgrade Reaction Select |
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 4.0.0.0 |
|---|---|---|---|---|
| IfcModulusOfRotationalSubgradeReactionSelect | ADDED | IFC2x3 to IFC4 4.0.0.0 | ||
| IfcModulusOfRotationalSubgradeReactionSelect | ADDED |
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.
| Type | Description |
|---|---|
| IfcBoolean | |
| IfcModulusOfRotationalSubgradeReactionMeasure |
<xs:group name="IfcModulusOfRotationalSubgradeReactionSelect">
<xs:choice>
<xs:element ref="ifc:IfcBoolean-wrapper"/>
<xs:element ref="ifc:IfcModulusOfRotationalSubgradeReactionMeasure-wrapper"/>
</xs:choice>
</xs:group>
TYPE IfcModulusOfRotationalSubgradeReactionSelect = SELECT (
IfcBoolean,
IfcModulusOfRotationalSubgradeReactionMeasure);
END_TYPE;
References: IfcBoundaryEdgeCondition
EXPRESS-G diagram
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