On failure criteria for anisotropic cohesive-frictional materials. (English) Zbl 0976.74060

Summary: 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 tensor 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.


74R20 Anelastic fracture and damage
74E10 Anisotropy in solid mechanics
74L10 Soil and rock mechanics
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