ABSTRACT
Composite connections are used to transfer forces between composite members and to maintaintheintegrityofacompositestructureunderappliedloads.Thebehaviourofa compositeconnectionischaracterisedbyitsmoment-rotationcurve,whichexpressesthe momentasafunctionoftheanglebetweenthebeamandthecolumn.Therotationalstiffnessofacompositeconnectionisdeterminedbytheslopeofitsmoment-rotationcurve. CompositeconnectionsareclassiŠedassimple,rigidandsemi-rigidconnectionsbasedonthe stiffnesscriteriaandasfull-strengthandpartial-strengthconnectionsbasedonthestrength criteria.Thetypesofcompositeconnectionsincludethebaseplateconnectionsofcomposite columns,compositecolumnsplices,beam-to-columnshearconnections,beam-to-column momentconnectionsandsemi-rigidconnections(Viestetal.1997).Double-angleconnections,single-plateshearconnectionsandteeshearconnectionsarebeam-to-columnshear connections.Thebeam-to-columnmomentconnectionsincludecompositeconnectionswith steelbeampassingthroughconcrete-encasedcomposite(CEC)columns,reinforcedconcrete columns, concrete-Šlled steel tubular (CFST) columns or steel columns.
