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极限平衡法、滑移线法是求解剪切破坏模式下均质岩基极限承载力的两种重要的极限分析法。通过对某工程均质岩基承载力的反算 ,对基于Hoek -Brown经验强度准则的 3种极限承载力计算方法—Bell解、Hoek -Brown解和滑移线法的计算结果进行了比较 ,并分析了造成差异的原因。
Limit equilibrium method and slip line method are two important limit analysis methods for solving the ultimate bearing capacity of homogeneous rock mass in shear failure mode. Through the back calculation of bearing capacity of an engineering homogeneous rock mass, the calculation results of three kinds of ultimate bearing capacity calculation methods based on Hoek-Brown empirical strength criterion, ie, Bélo-solution, Hoek-Brown solution and slip line method are compared. And analyzed the reasons for the differences.