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Étude du couplage hydraulique-mécanique dans le béton endommagé: application au calcul de barrages
The subject of this work is the study of the hydromechanical coupling in concrete applied to numerical prediction of dam behaviour. The theoretical approach is based on continuum mechanics of saturated porous media coupled with anisotropic damage mechanics. An experimental procedure, allowing to control simultaneously pore pressure as well as applied stresses in a concrete specimen, leads to the identification of all introduced material parameters. Finally, a numerical implementation of the constitutive model is achieved in the finite element code CASTEM 2000. Simulations of a hydraulic fracture test are performed, which conclude on the considerable influence of damage hydromechanical parameters on the global response. The behaviour of a gravity dam subjected to flood is numerically simulated and permits to reproduce the main features encountered on real strucutures.
Étude du couplage hydraulique-mécanique dans le béton endommagé: application au calcul de barrages
The subject of this work is the study of the hydromechanical coupling in concrete applied to numerical prediction of dam behaviour. The theoretical approach is based on continuum mechanics of saturated porous media coupled with anisotropic damage mechanics. An experimental procedure, allowing to control simultaneously pore pressure as well as applied stresses in a concrete specimen, leads to the identification of all introduced material parameters. Finally, a numerical implementation of the constitutive model is achieved in the finite element code CASTEM 2000. Simulations of a hydraulic fracture test are performed, which conclude on the considerable influence of damage hydromechanical parameters on the global response. The behaviour of a gravity dam subjected to flood is numerically simulated and permits to reproduce the main features encountered on real strucutures.
Étude du couplage hydraulique-mécanique dans le béton endommagé: application au calcul de barrages
Bary, Benoît (author) / Bourdarot, Eric (author)
Revue Française de Génie Civil ; 2 ; 453-480
1998-01-01
28 pages
Article (Journal)
Electronic Resource
Unknown
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