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A platform for research: civil engineering, architecture and urbanism
Research on Early Warning Criterion of Accumulation Slope Instability under Rainfall
Taking an accumulation slope in Chongqing as an example, the relationship between the progressive failure process and the water content of the accumulation slope was studied using the discrete element method, and the critical water content of the slope was proposed to provide a basis for the research on the prediction criteria of such landslides. It was found that accumulation slope was stable without rainfall, but with increasing rainfall time, the settlement at top of slope and the horizontal displacement at surface of slope were both enlarged. Particularly, obvious deformation was observed on the surface of slope. Under continuous intensive rainfall, the slope failure mode was different from the traditional circular slide, since the slope failed layer by layer until a “debris flow” was generated.
Research on Early Warning Criterion of Accumulation Slope Instability under Rainfall
Taking an accumulation slope in Chongqing as an example, the relationship between the progressive failure process and the water content of the accumulation slope was studied using the discrete element method, and the critical water content of the slope was proposed to provide a basis for the research on the prediction criteria of such landslides. It was found that accumulation slope was stable without rainfall, but with increasing rainfall time, the settlement at top of slope and the horizontal displacement at surface of slope were both enlarged. Particularly, obvious deformation was observed on the surface of slope. Under continuous intensive rainfall, the slope failure mode was different from the traditional circular slide, since the slope failed layer by layer until a “debris flow” was generated.
Research on Early Warning Criterion of Accumulation Slope Instability under Rainfall
Wu, Shuguang (author) / Song, Kang (author) / Zhang, Siping (author)
International Conference on Geotechnical and Earthquake Engineering 2018 ; 2018 ; Chongqing, China
IACGE 2018 ; 619-626
2019-01-10
Conference paper
Electronic Resource
English
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