IfcActionTypeEnum

BACnet MVD

#### IfcActionTypeEnum

Natural language names

| Action Type Enum
| Énumération des types d'action

##### Semantic definitions at the type

Type definition

This enumeration type is used to distinguish between possible action types at a high level. It can be used for an automated definition of load combinations and for dimensioning. The contained items and their acronyms are adopted from the Eurocode standard.

> HISTORY New enumeration in IFC2x2.

Enumeration definition

Constant | Description
--- | ---
PERMANENT_G |
VARIABLE_Q |
EXTRAORDINARY_A |
USERDEFINED |
NOTDEFINED |

##### Formal representations

XML Specification
`<xs:simpleType name="IfcActionTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="permanent_g"/>
<xs:enumeration value="variable_q"/>
<xs:enumeration value="extraordinary_a"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcActionTypeEnum = ENUMERATION OF (
PERMANENT_G,
VARIABLE_Q,
EXTRAORDINARY_A,
USERDEFINED,
NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

`

References: IfcStructuralLoadGroup

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