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中文摘要：
在 postearthquake 基岩山崩的被触发的因素之中，降雨起一个重要作用。与斜坡变化，然而，它岩石山崩的失败上的效果的机制不是清楚的。这里，从破裂力学的观点，并且基于地震以后的条件，裂缝繁殖的机制，水渗入和滑动表面的开发被调查。根据上面的边界定理，当时，在岩石斜坡的稳定性上渗入进破裂的水的效果是分析份量上。最后，一个例子被举验证理论。结果证明裂缝的繁殖和早期的滑动表面的润滑油是响应降雨的地震以后的岩石山崩的失败的主要原因。
英文摘要：
Among the triggering factors of postearthquake bedrock landslides, rainfall plays an important role. However, with slope variation, the mechanism of its effects on the failure of rock landslides is not dear. Here, from the viewpoint of fracture mechanics, and based on post-earthquake conditions, the mechanisms of crack propagation, water infiltration and development of the sliding surface were investigated. Then, according to the upper boundary theorem, the effects of water infiltrated into fractures on the stability of rock slopes were analyzed quantitatively. Finally, an example is presented to verify the theory. The results show that the propagation and coalescence of cracks and the lubrication of incipient sliding surfaces are the main causes of the failure of post-earthquake rock landslides in response to rainfall.
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