STUDY OF TRANSIENT SEEPAGE INFINITE SLOPE STABILITY IN UNSATURATED SOILS
Predicting the location and timing of shallow landslides is an important means of reducing rainfall-type landslide disasters.Basing on the theory of slope stability analysis of limit equilibrium method,an infinite slope sta-bility analysis method for transient unsaturated seepage conditions is proposed,which uses pressure head and volu-metric water content profile and combines with the effective stress to carry out the slope stability analysis.The tim-ing of the destruction of steep slopes is also investigated,consisting of the coarse,medium,and fine sand.The results of the landslide prediction coincide with the on-site monitoring data.The landslide prediction results match with the field monitoring data,which verifies the validity of the landslide prediction method.
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