2011•Dizhi ke-ji qingbaoRequires access

Analysis of Landslide Seepage and Stability under the Conditions of Reservoir Water Level Fluctuation

Hao Zhou

Abstract

The water level will fluctuate between 145 m and 175 m after the completion of Three Gorges Reservoir.The pore water pressure changes in landslide due to the water level rising and descending will have significant impact on the landslide stability.With the soil deposits at the top of Anlesi landslide in Wanzhou as an example,the landslide seepage numerical analysis is conducted by the FLAC3D software.Based on the landslide seepage numerical simulation,the stability of the landslide is calculated with the strength reduction method,and the deformation and plastic failure zone of the landslide are analyzed.

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Key concepts: Landslide, Geology, Three gorges, Geotechnical engineering, Pore water pressure, Strength reduction, Water level, Stability (learning theory)