Landslide forecasting based on hydrological process simulation for a dump slope in an open mining pit |
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| Authors: | GUO Jin-xing GRAEBER Peter-Wolfgang |
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| Institution: | 1Center of Hydrogeology and Environmental Geology, China Geological Survey, Baoding 071051, China. China.2Institute of Groundwater Management, Technical University of Dresden, Dresden 01062, Germany. |
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| Abstract: | There are concerns about the safety issues of dump slope in the open-cast mining pit because of the risk of catastrophic destruction caused by slope failures that are related to several factors, such as atmospheric conditions (especially precipitation), vegetation and some others. The aim of this study is to investigate the hydrological regime in a dump slope and the influence of the saturation degree on the stability of dump slopes with consideration of precipitation and vegetation using the program of PCSiWaPro?. Based on the hydrological simulation conducted through PCSiWaPro?, the calculation of the Factor of Safety (Fs) in the dump slope using Geo-slope Software was improved with further consideration of soil-water weight in the unsaturated dump slope and the influence of water content on the variation of soil property parameters (e.g. cohesion). |
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