The research reported in this paper was supported by the National Natural Science Foundation of China(Grant Nos.50823005 and 50709014);subsidized by China National Funds for Distinguished Young Scientists(Grant No.50925931).
The rigid-body limit equilibrium method cannot reflect the actual stress distribution in a rock mass,and the finite-element-based strength reduction method also has some problems with respect to convergence.To address...
supported by the National Natural Science Foundation of China (Grant No. 50709014);China National Funds for Distinguished Young Scientists (Grant No. 50925931);State Key Laboratory of Hydroscience and Engineering of China (Grant No. 2008-TC-2)
Traditional fracture analysis is based on fracture mechanics and damage mechanics. They focus on the propagation of the fracture. However, their propagation criterions are not easily applied in practice and the curren...