首先根据室内测试和岩体力学参数估算结果，运用摩尔-库仑破坏准则计算边坡岩体的破裂角；其次，运用弹塑性有限元数值模拟方法进行了变形破坏规律研。

First, according to the results of tests in laboratory and evaluation of rock mechanical parameters, slope rock mass failure angles are calculated based on Mohr Coulomb criteria; Secon.

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可用概率积分法计算沉变参数，用岩体弹塑性力学理论计算条带参数。

By the probability integration. parameters of ground movements can be calculated, and the strip -mining parameters can be figured our by means of the elastic-plastic rock mechanics.

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