Seepage and Stability Analyses of a Landslide in Colluvium under Precipitations

›› 2019, Vol. 33 ›› Issue (3): 359-362.

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Seepage and Stability Analyses of a Landslide in Colluvium under Precipitations

YU Xing1, LIU Linjie2

(1.Henan Branch of China Construction Communications Construction Group Co., Ltd., Zhengzhou 450052;
2.Zhengzhou Electric Power Technology College, Zhengzhou 451450)

Received:2019-02-25 Revised:2019-03-08 Online:2019-06-20 Published:2019-08-16

Abstract

Abstract: A landslide in Weining County of Bijie City was studied with SEEP software based on the saturatedunsaturated seepage theory in soils. The factor of safety in the stability analysis was obtained with various seepage time, pore water pressure at various locations in the slope. The results indicated that, during and after an extended precipitation, the factor of safety for the slope stability decrease first and then increase. The lowest factor of safety for the surficial slide model is at the end of the rainfall and the factor of safety for the deepseated slope stability occurred at time after the precipitation event.

Key words: Colluvium Soils, Seepage, Pore Water Pressures, Slope Stability

YU Xing1, LIU Linjie2. Seepage and Stability Analyses of a Landslide in Colluvium under Precipitations[J]. , 2019, 33(3): 359-362.

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Seepage and Stability Analyses of a Landslide in Colluvium under Precipitations

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