本文对滑坡土的残余强度进行了分析； 并通过对比试验，对影响残余强度的因素进行了有益的探讨。
The residual strength of landslide earth has been analysed in this paper, and theeffect factors of residual strength have also been discussed by comparision tests.
研究结果：滑带土的峰值强度和残余强度比较接近，成线性关系；塑性指数能较好的用来估算残余强度。
Research results:Residual strength of slip soil has linear regression with peak strength; plastic index can be better used to estimate residual strength.
由于土的逐渐破损，会使其由峰值强度逐渐降低到残余强度。
Owing to the progressive failure of the soil, the strength may drop from peak value to residual value.
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