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Communication Dans Un Congrès Année : 2022

Refined and simplified modelling of steel-concrete-steel (SCS) composite beams

Résumé

This study presents a general simulation methodology to assess both full and partial composite action of steel-concrete-steel (SCS) structures. This refined methodology, using 3D finite elements, is applied to two three-point bending beams in which a different composite action is provided through variation of the number of studs. The comparison to experimental results validates the methodology and the global and local behavior can be reproduced. However, the important calculation cost reduces the use of this numerical strategy to more complex structures. A simplified methodology is proposed with 1D finite elements to represent the connectors. This modelling choice allows to greatly reduce the computational cost. It also imply a reduction of the reproduced phenomena. Particularly, local damage of the concrete core around the dowels is slightly different. Nevertheless, this strategy allows to accurately reproduce the global behavior as well as the failure modes of SCS beams with full and partial composite action.
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Dates et versions

hal-03672129 , version 1 (14-12-2022)

Licence

Paternité - Pas d'utilisation commerciale - Pas de modification

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R. Calixte, Luc Davenne, Ludovic Jason. Refined and simplified modelling of steel-concrete-steel (SCS) composite beams. EURO-C 2022 -, May 2022, Vienne, Austria. pp.332-340, ⟨10.1201/9781003316404-40⟩. ⟨hal-03672129⟩
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