基于多重势面弹塑性理论分析局部化问题，构造了适用于裂隙岩体破坏的多重势面不连续分叉模型，建立了求解局部化方向的数值方法。

In the framework of the multiple potential surface elastoplastic theory, the discontinuous bifurcation model used to simulate the failure of the jointed rocks is presented in this paper.

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目前用于边坡稳定性分析的数值方法中的强度折减法通常是仅对强度参数进行折减，且采用的是理想弹塑性模型。

At present, only the strength parameters are reduced when the strength reduction method is used to analyze the slope stability; moreover, the ideal elastoplastic model is used.

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