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Analyse expérimentale et modélisation du comportement non linéaire thermomécanique de cloison en plaques carton-plâtre-carton, vissées et soumise à des charges thermiques et mécaniques

Abstract : In this research, we study the thermomechanical behavior of a light partition wall made of carton-gypsum-carton (CGC) plates screwed to a metallic frame. This study consist firstly, to conduct an experimental analysis in order to identify the thermal, mechanical and thermomechanical propeties of the differents components of the light partition wall, and secondly, to develop an analytical model and a robust numerical model of nonlinear thermomechanical behavior of the partition walls subjected to natural fire. For a robust model, firstly, we developped a model of the thermomechanical behavior of the assembly by screws, and then developped a global model of the light partition wall by combining the nonlinear thermomechanical model of the assembly by screws, the model of the thermomechanical behavior of a CGC plate and model of the metal frame. As there is important variability in experimental results, the uncertainties must be taken into account. To do this, we proposed to use a probabilistic model of the behavior of the assembly by screw
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Submitted on : Thursday, February 2, 2012 - 11:09:36 AM
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Thanh Trung Do. Analyse expérimentale et modélisation du comportement non linéaire thermomécanique de cloison en plaques carton-plâtre-carton, vissées et soumise à des charges thermiques et mécaniques. Autre. Université Paris-Est, 2011. Français. ⟨NNT : 2011PEST1076⟩. ⟨tel-00665543⟩

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