According to the geological survey on no . 316 national road from zaoyang to shuhe in the southern shaanxi province , five deformation and failure patterns of the slope in soft metamorphic rock are concluded and analyzed in detail , for effective forecast and economical treatment of slope hazard 本文通过对陕南316国道早阳蜀河段的实地调查,归纳了该路段软弱变质岩边坡的变形破坏特征,总结出顺层滑动、弯曲倾倒、楔形体滑动、溃曲破坏以及滑移拉裂5种典型的病害模式,并对每种变形破坏模式进行了具体的实例分析,从而为边坡成灾预警和选择经济有效的治理对策奠定基础。