A damage model for transversely isotropic materials

Mohamed Mahjoub (1) , Ahmed Rouabhi (1) , Michel Tijani (1) , Sylvie Granet (2)

1 GEOSCIENCES - Centre de Géosciences
2 IMSIA - UMR 9219 - Institut des Sciences de la mécanique et Applications industrielles

In a nuclear disposal project, the damage of the hosting rock is a capital issue that should be studied and understood. This problem is even more complex when the studied rock is anisotropic. In the present paper, a damage model that takes into account both initial and induced anisotropy is introduced using equivalence relations between the real material and a fictitious isotropic one on which we can take all the advantages of the well established isotropic theory. Numerical simulations using a Finite Element Method (FEM) code shows an agreement between the theoretical predictions and the experimental data of Brazilian tests with different orientation angles.

Keywords: transverse isotropy; anisotropy; damage behavior law; Brazilian test

Domains: Engineering Sciences [physics]; Civil Engineering; Géotechnique

Mohamed Mahjoub, Ahmed Rouabhi, Michel Tijani, Sylvie Granet. A damage model for transversely isotropic materials. Petrus PhD Conference 2015, Jun 2015, Nancy, France. ⟨hal-01216725⟩