In this paper, the deformation of the axisymmetrical tunnel in soft rocks is studied by using the Mohr-Coulomb yieldcriterion and non-associative plastic flow rule.
本文采用莫尔-库仑屈服准则和非关联塑性流动法则分析了轴对称软岩巷道的变形规律。
2
In 3-d stress space, simplified form of Mohr-Coulomb equivalent area circle yieldcriterion is derived by adopting analytic geometry method.