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Développement d'un modèle d'interface acier-béton à haute température : modélisation des structures en béton exposées au feu

Abstract : Behaviour of reinforced concrete and prestressed concrete structures subjected to fire is an important research theme in civil engineering. Actually, steel-concrete interface behaviour at high temperature and nonlinear thermomechanical simulation of concrete structures are obstacles we need to solve. These obstacles are the subject of this thesis. After doing a summary of all studies concerning the steel-concrete interface, a behaviour model of the interface at high temperature has been developed and a numerical integration method of this model has also been proposed. Subsequently, non linear material models for simulating concrete have been analyzed. Finally, methodologies of modeling thermal transfer and mechanical behaviour of structures have been proposed and validated through simulations of experimental tests
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Nhu Cuong Tran. Développement d'un modèle d'interface acier-béton à haute température : modélisation des structures en béton exposées au feu. Autre. Université Paris-Est, 2011. Français. ⟨NNT : 2011PEST1124⟩. ⟨pastel-00657207⟩

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