Anisotropic damage modelling of biaxial behaviour and rupture of concrete structures

被引:24
作者
Ragueneau, F. [1 ]
Desmorat, R. [1 ]
Gatuingt, F. [1 ]
机构
[1] Univ Paris 06, Universud Paris, CNRS, ENS Cachan,LMT Cachan, F-94235 Cachan, France
关键词
constitutive relations; anisotropic damage; yield function; multiaxial behaviour;
D O I
10.12989/cac.2008.5.4.417
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
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.
引用
收藏
页码:417 / 434
页数:18
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