Beta (Inputs.IFC)BetaaccessoryParts that support or connect others, such as a bracket with its fixings.
BetaarchAn arch.
BetabeamBeams laid in a grid.
BetabracedA frame stiffened by diagonal braces.
BetagirderA girder built up of plates and members.
BetareinforcementA cage of reinforcing bars placed as one.
BetarigidA frame whose joints hold it rigid without braces.
BetaslabA field of slabs laid together.
BetatrussA truss.
BetauserA kind IFC does not name, such as a cladding of boards; objectType says what it is.
BetanotAn assembly of no particular kind.
What kind of assembly it is, as IFC classifies elements made of other elements.