Rock Failure Criteria Based on a New System of Stress Tensor Invariants
A. F. REVUZHENKO
Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia
Keywords: rock, stress tensor, strains, invariants, strength, criteria
Abstract
Stress tensor invariants are determined as average stresses at all possible sites of a volume element. Integration of stresses is performed in the plane of Mohr’s chart. The obtained invariants can be used in formulating criteria of limit stress (failure) in geomaterials.
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