Paul-Mohr-Coulomb Failure Criterion for Geomaterials

Published on Feb 1, 2018in Journal of Geotechnical and Geoenvironmental Engineering4.012
路 DOI :10.1061/(ASCE)GT.1943-5606.0001829
Feitao Zeng5
Estimated H-index: 5
(UMN: University of Minnesota),
Yuan Li3
Estimated H-index: 3
(USTB: University of Science and Technology Beijing),
Joseph F. Labuz32
Estimated H-index: 32
(UMN: University of Minnesota)
AbstractPaul-Mohr-Coulomb (PMC) failure criterion provides enhanced representations of pyramidal failure surfaces, with recognizable material parameters, by considering all three principal stresses...
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The Paul-Mohr-Coulomb failure criterion includes the intermediate principal stress sigma(II) and friction angles at the limiting stress states of sigma(II)= sigma(III) and sigma(II) = sigma(I), where sigma(I) and sigma(III) are major and minor principal stresses. Conventional triaxial compression (sigma(II) = sigma(III)), extension (sigma(II) = sigma(I)), and plane strain (sigma(I) not equal sigma(II) not equal sigma(III)) experiments were performed on dry rock. The failure data were plotted in ...
University of Minnesota M.S. thesis. March 2012. Major: Civil Engineering. Advisor: Professor Joseph F. Labuz. 1 computer file (PDF); iv, 67 pages.
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Abstract A failure criterion typically is phenomenological since few models exist to theoretically derive the mathematical function. Indeed, a successful failure criterion is a generalization of experimental data obtained from strength tests on specimens subjected to known stress states. For isotropic rock that exhibits a pressure dependence on strength, a popular failure criterion is a linear equation in major and minor principal stresses, independent of the intermediate principal stress. A gen...
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