The Mohr-Coulomb model is based on plotting Mohr's circle for states ofstress at failure in the planeof the maximum and minimum principal stresses.
莫尔-库仑模式基于莫尔圆来判断最大和最小主应力平面上的破坏应力状态。
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This paper USES principal curvature, planestress and structure filtering to evaluate the development of fracture at geology shape, mechanical and signal handle facet.
It is suggested that on the same seismotectonic zone, the directions ofprincipal compressional stressof fault plane solution of small earthquakes are consistent.