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Keywords: failure surface
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Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-089
... and a Poisson s ratio of 0.28 are used. To simulate the coal block, a coupled damage-plastic constitutive model by Malvar et al. (2000) is used. The consti- tutive model supports nonlinear elasticity and uses a three-invariant formulation for the failure surface. The model employs three failure surfaces...

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