Reference : Composite joints under M-N at elevated temperatures - Experimental investigations and...
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Composite joints under M-N at elevated temperatures - Experimental investigations and analytical model
Demonceau, Jean-François mailto [Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo >]
Haremza, Cécile []
Jaspart, Jean-Pierre mailto [Université de Liège - ULiège > Département ArGEnCo > Adéquat. struct. aux exig. de fonct.& perfor. techn.-écon. >]
Santiago, Aldina []
Simoes da Silva, Luis []
Proceeding of the Composite Construction VII conference
Composite construction VII
28 juillet 2013 au 31 juillet 2013
Palm Cove
[en] Composite joint ; fire ; robustness ; component method ; M-N interaction ; experimental test
[en] The Eurocodes recognise robustness as a way to ensure the structural integrity of a building frame subjected to an unforeseen event and therefore to avoid a so-called “progressive failure” mode in extreme loading situations. However few practical guidelines exist nowadays which would allow a designer to design a structure accordingly.
Within the European RFCS ROBUSTFIRE project, the behaviour of steel and composite car parks subjected to localised fire leading to a column loss was investigated. Under such a scenario, the beam-to-column joints play a key role in the global structural response. Indeed, these joints, initially loaded in bending, may be subjected to elevated temperatures and to combined axial load “N” and bending moment “M”.
In this paper, a methodology to predict the mechanical response of bolted composite beam-to-column joints at elevated temperatures under M-N is presented and validated through comparison to experimental tests conducted at the University of Coimbra.

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