Reference : Numerical analysis of partially fire protected composite slabs
Scientific journals : Article
Engineering, computing & technology : Civil engineering
Numerical analysis of partially fire protected composite slabs
Zaharia, Raul [The “Politehnica” University of Timisoara > > > >]
Vulcu, Christian [The “Politehnica” University of Timisoara > > > >]
Vassart, Olivier [ArcelorMittal, Esch/Alzette > > > >]
Gernay, Thomas mailto [Université de Liège - ULiège > Département Argenco : Secteur SE > Ingénierie du feu >]
Franssen, Jean-Marc mailto [Université de Liège - ULiège > Département Argenco : Secteur SE > Ingénierie du feu >]
Steel and Composite Structures
Yes (verified by ORBi)
[en] composite slabs ; partially protected ; fire design ; membrane action
[en] The paper presents a numerical investigation, done with the computer program SAFIR, in order to obtain simpler finite element models for representing the behaviour of the partially protected composite steel concrete slabs in fire situation, considering the membrane action. Appropriate understanding and modelling of the particular behaviour of composite slabs allows a safe approach, but also substantial savings on the thermal insulation that has to be applied on the underlying steel structure. The influence of some critical parameters on the behaviour and fire resistance of composite slabs such as the amount of reinforcing steel, the thickness of the slab and the edge conditions is also highlighted. The numerical models are calibrated using the results of three full scale fire tests on composite slabs that have been performed in recent years.
Researchers ; Professionals

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