Geological Engineering: Proceedings of the 1st International Conference (ICGE 2007)
106 Study of Transfer Factor Method Applied to Landslide Stability Analysis by Physical Model Test
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Two transfer factor methods, based on over-loading method and strength reserve method which are commonly applied to evaluate rock landslide stability, are validated through analyzing the results of between limit equilibrium and finite element method by many people. In this paper, the reliability of the two methods is validated through rock similar material modeling test on the background of Zhao Shuling landslide of Badong in the Three Gorges Reservoir Area. Research result shows that the stability factor values calculated with these two methods are lower comparing with modeling test, and the value from over-loading method is preferable, with the assumption that there is tensile stress among the blocks accords with failure feature of landslide model, and the value from strength reserve method is safe as well.