RESEARCH ON NONLINEAR STRENGTH AND FAILURE CRITERION OF ROCK MATERIAL
Abstract
The nonlinear strength characteristics of rock materials under 3D stress states are studied in the deviatoric plane and meridian plane. The effect of intermediate principal stress and hydrostatic pressure as well as coupling effect of them are studied in these two planes respectively. By conducting linear interpolating of external normal vectors of octahedral plane and spatial mobilized plane,a model of the unified strength theory is proposed....
Paper Details
Title
RESEARCH ON NONLINEAR STRENGTH AND FAILURE CRITERION OF ROCK MATERIAL
Published Date
Jan 1, 2013
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