ABSTRACT
Landslide disasters have become one of the main problems after the Three Gorges impounded. Scholars from all over the world have paid much more attention to the stability of slopes in the reservoir area. A promising numerical analysis technique by shear strength reduction based on finite differential method is introduced to deal with such a problem. In order to perform slope stability analysis with shear strength reduction technique, the soil/rock strength should be reduced continually until collapse occurs. The Three Gorges, located on the Yangzi river in Yichang city of Hubei province, China, is the giantest hydraulic and hydroelectric project in the world. Many Chinese scholars have done a lot of works related to the slopes stability in the reservoir area of the Three Gorges. Liao Hongjian et al. got the relationship between the landslide stability, the permeability coefficient and drawdown speed based on mited equilibrium method using Geo-Slope software.
