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Landslide Disaster Modeling and Analysis using CDEM in the Southern Slope of Fushun West Open Pit Mine
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Abstract
Landslides in open-pit mines have extremely high potential risks in the mining process due to their characteristics such as high speed, short distance, and the chain effect of other disasters. Taking the southern slope landslide of Fushun West Open Pit Mine (FWOPM) as an example, based on the dynamic process of the southern slope landslide, the deformation and failure mechanism and disaster chain disaster mode of the southern slope landslide are analyzed. The continuum discontinuum element method (CDEM) is constructed to reveal the evolution characteristics of the landslide, and a sudden change series method is proposed for landslide disaster analysis. The research results indicate that the entire process of the southern slope landslide can be summarized as follows: bedding slip stage, slight bending stage, strong bending stage, uplift stage and cut through stage. The geological hazard level of the southern slope landslide in FWOPM has a membership degree of 0.97, which belongs to a super large landslide and is basically consistent with the actual situation. This method is effective in the analysis of landslide disasters in southern slope landslide, and has good significance for slope landslide disasters prediction in FWOPM.
Title: Landslide Disaster Modeling and Analysis using CDEM in the Southern Slope of Fushun West Open Pit Mine
Description:
Abstract
Landslides in open-pit mines have extremely high potential risks in the mining process due to their characteristics such as high speed, short distance, and the chain effect of other disasters.
Taking the southern slope landslide of Fushun West Open Pit Mine (FWOPM) as an example, based on the dynamic process of the southern slope landslide, the deformation and failure mechanism and disaster chain disaster mode of the southern slope landslide are analyzed.
The continuum discontinuum element method (CDEM) is constructed to reveal the evolution characteristics of the landslide, and a sudden change series method is proposed for landslide disaster analysis.
The research results indicate that the entire process of the southern slope landslide can be summarized as follows: bedding slip stage, slight bending stage, strong bending stage, uplift stage and cut through stage.
The geological hazard level of the southern slope landslide in FWOPM has a membership degree of 0.
97, which belongs to a super large landslide and is basically consistent with the actual situation.
This method is effective in the analysis of landslide disasters in southern slope landslide, and has good significance for slope landslide disasters prediction in FWOPM.
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