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Computers and Concrete Volume 5, Number 4, August 2008 , pages 417-434 DOI: https://doi.org/10.12989/cac.2008.5.4.417 |
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Anisotropic damage modelling of biaxial behaviour and rupture of concrete structures |
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F. Ragueneau, R. Desmorat and F. Gatuingt
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| Abstract | ||
| This paper deals with damage induced anisotropy modeling for concrete-like materials. A thermodynamics based constitutive relationship is presented coupling anisotropic damage and elasticity, the main idea of the model being that damage anisotropy is responsible for the dissymmetry tension/compression. A strain written damage criterion is considered (Mazars criterion extended to anisotropy in the initial model). The biaxial behavior of a family of anisotropic damage model is analyzed through the effects of yield surface modifications by the introduction of new equivalent strains. | ||
| Key Words | ||
| constitutive relations; anisotropic damage; yield function; multiaxial behaviour. | ||
| Address | ||
| F. Ragueneau, R. Desmorat and F. Gatuingt : LMT-Cachan (ENS Cachan/CNRS/Universite Paris 6/UniverSud Paris) 61, Avenue du president Wilson, 94235 Cachan, France | ||