IfcModulusOfTranslationalSubgradeReactionSelect

BACnet MVD

#### IfcModulusOfTranslationalSubgradeReactionSelect

Natural language names

| Modulus Of Translational Subgrade Reaction Select

Change log

Item | SPF | XML | Change | Description
--- | --- | --- | --- | ---
IFC2x3 to IFC4
IfcModulusOfTranslationalSubgradeReactionSelect |  |  | ADDED |

##### Semantic definitions at the type

Type definition

A measure for modulus of translational subgrade reaction which expresses the translational 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

Type | Description
--- | ---
IfcBoolean |
IfcModulusOfLinearSubgradeReactionMeasure |

##### Formal representations

XML Specification
`<xs:group name="IfcModulusOfTranslationalSubgradeReactionSelect">
<xs:choice>
<xs:element ref="ifc:IfcBoolean-wrapper"/>
<xs:element ref="ifc:IfcModulusOfLinearSubgradeReactionMeasure-wrapper"/>
</xs:choice>
</xs:group>
`
EXPRESS Specification
`TYPE IfcModulusOfTranslationalSubgradeReactionSelect = SELECT (
IfcBoolean,
IfcModulusOfLinearSubgradeReactionMeasure);
END_TYPE;

EXPRESS-G diagram

`

References: IfcBoundaryEdgeCondition

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