ABSTRACT
Research on the stability of slope has always been the difficult and hot issue of the study of engineering geology and rock engineering for slopes are widely distributed (Hoek et al. 1981, Chen 2001, Chen et al. 2005). China is a country in which landslide disaster is frequently occurred, especially with the further implementation of the western region development strategy and a number of large or super-sized hydropower projects are constructed in the alpine and gorge region of southwest China, landslides dramatize more characteristics of large scale, danger and complex mechanism and has a characteristic of typicality and representativeness all over the world (Huang 2007).
