A replacement for the Coulomb-Mohr fracture criterion

Details A replacement for the Coulomb-Mohr fracture criterion A replacement for the Coulomb-Mohr fracture criterion

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992georl..19.1033w&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 19, no. 10, May 22, 1992, p. 1033-1036. Research supported by W.M. Keck Foun

Mathematics

Logic

2

Fracture Mechanics, Geological Faults, Crack Initiation, Crack Propagation, Strain Energy Release Rate

Scientific paper

Attention is given to a replacement for the Coulomb-Mohr fracture criterion, namely, that fracture initiates and propagates in the direction in which the strain energy release is maximum for a given crack length. This criterion is thermodynamically correct, can be used for heterogeneous and elastoplastic bodies, and yields results in good agreement with laboratory data, but it is somewhat computer intensive.

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