结果表明，反分析方法是获得岩体斜坡滑动面抗剪强度的最经济、合理的途径。
The result showed that the dynamic analysis method is effective in practice to determining the resistance to shearing of slipping plane of rock mass slope.
通过对某顺层古滑坡的现场调查，分析判断了古滑坡的滑动范围、滑动面，并对滑动面抗剪强度参数进行了反分析计算。
The paper analyzes the sliding range and sliding surface of an old landslide by investigating an old sliding slope. In addition, back analysis is used on shear resistance parameters of slide surface.
同时指出，古滑坡滑动面的抗剪强度的分析应考虑时间效应下残余强度的恢复。
Furthermore, it is pointed out that the restorations of residual shear strength on time effect are considered on analysis of the parameters of the fossil landslide slip surface.
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