考虑到土体的流变效应，通过推广不平衡推力法，提出了具有应变软化性质的土质边坡渐进破坏的一个力学模型。
In view of the effects of rheological characteristics of soil, a mechanical model of progressive failure of strain-softening soil slopes is presented by generalizing the method of unbalanced-thrust.
裂缝的存在不仅削弱了膨胀土边坡土体的结构，而且为水的入渗提供了通道，从而使土体软化，强度降低。
The crack not only weakened the soil structure of the slope, but also provided passage for water penetration, which further led to soil softening and strength decrease.
因此在边坡工程中，对残积土的崩解及软化等应予以高度重视，并采取相应的防护措施。
Thereby during any slope engineering, it should be taken recognition to heavens to the disintegration character of residual soil and correspond control measure should be adopted.
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