Cisaillement dynamique de murs en béton armé. Modèles simplifiés 2D et 3D

Abstract : This Ph.D, part of the ICONS – TMR European program, deals with the development of simplified modelling strategies for simulating the non linear behaviour of reinforced concrete structures submitted to dynamic loadings. The modelling of the CAMUS III mock-up of the program is presented using 2D multilayered beam elements and uniaxial local models. A new model, the Equivalent Reinforced concrete model (ERC) is developed afterwards for simulating dynamic shear. ERC uses bar elements to model the continuous medium and is validated with the results of the T5 and T12 mock-ups (program SAFE) and the NUPEC experimental program. 3D problems are finally discussed with the development of a Timoshenko multifiber beam element that uses higher order shape functions for displacements and rotations. Comparisons with experimental results (columns under cyclic loading, U shaped-shear walls of the program ICONS) show the well funding of the approach.
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Submitted on : Wednesday, May 24, 2006 - 3:22:29 PM
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  • HAL Id : tel-00074469, version 1

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Panagiotis Kotronis. Cisaillement dynamique de murs en béton armé. Modèles simplifiés 2D et 3D. Matériaux. École normale supérieure de Cachan - ENS Cachan, 2000. Français. ⟨tel-00074469⟩

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