Damage induced anisotropy of elastic wave velocities in geomaterials under uniaxial compression is studied in this work by using a micromechanical approach. For that a two-steps homogenization technique is considered by accounting for the nucleation and growth of micro-cracks as well as the debonding effect of inhomogeneities’ interface. Some phenomenological functions are adjusted to describe the evolution of these mechanisms during loading. Through some numerical applications this method known as quasi-micromechanical approach shows their flexibility to predict damage in materials.
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