This enumeration defines the different types of linear elements an IfcMember or IfcMemberType object can fulfill.
6.1.2.12.2 Type values
Type
Description
ARCH_SEGMENT
Individual segment of an arch structure.
BRACE
A linear element (usually sloped) often used for bracing of a girder or truss.
CHORD
Upper or lower longitudinal member of a truss, used horizontally or sloped.
COLLAR
A linear element (usually used horizontally) within a roof structure to connect rafters and posts.
MEMBER
A linear element within a girder or truss with no further meaning.
MULLION
A linear element within a curtain wall system to connect two (or more) panels.
PLATE
A linear continuous horizontal element in wall framing, such as a head piece or a sole plate.
POST
A linear (usually vertical) member used to support something or to mark a point.
PURLIN
A linear element (usually used horizontally) within a roof structure to support rafters.
RAFTER
A linear elements used to support roof slabs or roof covering, usually used with slope.
STAY_CABLE
A sloped element suspending a structure (such as bridge deck) from a pylon.
STIFFENING_RIB
A linear element added to a flange or a web plate of a girder for local stiffening.
STRINGER
A linear element used to support stair or ramp flights, usually used with slope.
STRUCTURALCABLE
A linear cable element used to secure or stabilise a structure by resisting lateral and longitudinal loading through tension only, but cannot resist compression. usually formed of a flexible cable or wire.
STRUT
A linear element often used within a girder or truss.
STUD
Vertical element in wall framing.
SUSPENDER
A vertical element suspending a structure (such as bridge deck) from a suspension cable or an arch.
SUSPENSION_CABLE
A suspended element, typically comprising steel wire, sheath, etc.
TIEBAR
A linear bar element used to secure or stabilise a structure by resisting lateral and longitudinal loading through tension and or compression. usually formed by a solid bar.