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Modèle thermomécanique à haute température et à rupture pour les plaques multicouches carton-plâtre-carton soumises au feu. Expériences et simulations numériques

Abstract : Generally, the standard rules require conventional tests at scale one in order to justify the fire resistance of loaded plasterboard lined partitions. Such tests cannot be performed when panel dimensions exceed five meters. This paper corresponds to a research whose objectives are to develop a numerical simulation model validated with experiments in order to model large panel behavior. In this research a first step, is to develop a complete thermomechanical model for multilayer composite panel constituted of cardboard-plaster-cardboard (CPC). The developed model is adapted to a range of temperature for which the cardboard and the plaster can be destroyed. This model is also developed for a level of stress corresponding to the rupture of the cardboard and the plaster. The mathematical-mechanical model and numerical simulations are performed with a dedicated finite element code and the numerical results are compared to thermo-mechanical experiments especially developed in the context of this research. A description of the experiments is given.
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Submitted on : Sunday, January 13, 2013 - 11:17:26 AM
Last modification on : Wednesday, February 26, 2020 - 7:06:08 PM
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S. Sakji, Christian Soize, J.-V. Heck. Modèle thermomécanique à haute température et à rupture pour les plaques multicouches carton-plâtre-carton soumises au feu. Expériences et simulations numériques. 17ème Congrès Français de Mécanique 2005, AFM, Aug 2005, Troyes, France. pp.Pages : 1-6. ⟨hal-00773341⟩

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