Modified Mohr–Coulomb criterion for nonlinear strength characteristics of rocks
Shijie Xie,
Hang Lin,
Yifan Chen
et al.
Abstract:The classical Mohr–Coulomb criterion has an extremely wide range of applications in the field of engineering geology, while it cannot accurately characterize rock failure under high confining stresses. Therefore, a nonlinear modification is implemented based on the Mohr–Coulomb criterion for achieving wider usage in all stress environments. The cohesion and internal friction angle are firstly calculated by regression based on the triaxial experiments of diorite and other typical rocks in different confining st… Show more
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