Journal
INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS
Volume 25, Issue 5, Pages 509-524Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/nag.141
Keywords
inherent anisotropy; microstructure tenser; failure criterion
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Anisotropic failure criteria are formulated using two different approaches, The first one employs a spatial distribution of strength parameters and defines the failure condition in terms of traction components acting on the critical plane. The second one incorporates a microstructure tenser and the relevant mixed invariants. Both formulations are illustrated by some numerical examples. In particular, the variation of strength with orientation of the sample is examined for a series of uniaxial compression tests. Copyright (C) 2001 John Wiley & Sons, Ltd.
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