IfcFastenerType

Definition from IAI: The element type (IfcFastenerType) defines a list of commonly shared property set definitions of a fastener and an optional set of product representations. It is used to define fasteners mainly within structural and building services domains (i.e. the specific type information common to all occurrences of that type).

The occurrences of the IfcFastenerType are represented by instances of IfcFastener.

HISTORY New entity in IFC Release 2x2

General usage

The exact type information of the IfcFastenerType is given in the ElementType attribute inherited from IfcElementType. Standard type designations are provided for guideline below. Note that mechanical fastener types are represented by instances of the subtype IfcMechanicalFastenerType.

Standard fastener type designation	Description
'Glue'	A fastening connection where glue is used to join together elements.
'Weld'	A weld seam used to join together building elements.
'Jointing mortar'	Mortar used to join together building elements. The strength of the joint may be taken into consideration in calculations.

EXPRESS specification:

ENTITY IfcFastenerType

SUPERTYPE OF

(IfcMechanicalFastenerType)

SUBTYPE OF (

IfcElementComponentType);

END_ENTITY;

Inheritance graph

ENTITY IfcFastenerType;

ENTITY IfcRoot;

GlobalId

IfcGloballyUniqueId;

OwnerHistory

IfcOwnerHistory;

Name

OPTIONAL IfcLabel;

Description

OPTIONAL IfcText;

ENTITY IfcObjectDefinition;

INVERSE

HasAssignments

SET OF IfcRelAssigns FOR RelatedObjects;

IsDecomposedBy

SET OF IfcRelDecomposes FOR RelatingObject;

Decomposes

SET [0:1] OF IfcRelDecomposes FOR RelatedObjects;

HasAssociations

SET OF IfcRelAssociates FOR RelatedObjects;

ENTITY IfcTypeObject;

ApplicableOccurrence

OPTIONAL IfcLabel;

HasPropertySets

OPTIONAL SET [1:?] OF IfcPropertySetDefinition;

INVERSE

ObjectTypeOf

SET [0:1] OF IfcRelDefinesByType FOR RelatingType;

ENTITY IfcTypeProduct;

RepresentationMaps

OPTIONAL LIST [1:?] OF UNIQUE IfcRepresentationMap;

Tag

OPTIONAL IfcLabel;

ENTITY IfcElementType;

ElementType

OPTIONAL IfcLabel;

ENTITY IfcElementComponentType;

ENTITY IfcFastenerType;

END_ENTITY;