Experimental characterisation of the localisation phenomenon inside a Vosges sandstone in a triaxial cell (original) (raw)

International Journal of Rock Mechanics and Mining Sciences, 2000

Abstract

The behaviour of a Vosges sandstone is studied, including quasi-homogeneous deformation, incipient strain localisation and localised rupture. The homogeneous behaviour is first presented from about 60 experiments in triaxial compression with two slenderness ratios (H/D=1 and 2), in triaxial extension, and in isotropic compression. A large range of confining pressures (0–60MPa) is investigated, showing a significant evolution of material response.

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