Three-Dimensional Limit Equilibrium Method for Slope Stability Analysis and Its Application

YUAN Wen; XU Qing; CHEN Sheng-hong; WU Ai-qing

doi:10.3969/j.issn.1001-5485.2013.04.013

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Journal of Changjiang River Scientific Research Institute ›› 2013, Vol. 30 ›› Issue (4) : 56-61. DOI: 10.3969/j.issn.1001-5485.2013.04.013

Rock-Soil Engineering

Three-Dimensional Limit Equilibrium Method for Slope Stability Analysis and Its Application

YUAN Wen¹, XU Qing¹, CHEN Sheng-hong¹, WU Ai-qing²

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Abstract

Three-dimensional method is needed in the stability analysis for slope projects with complex spatial geometric features and geological structures. A computer program CORE-lam3D for 3-D slope stability analysis was improved and developed. The program can simulate complex space surface such as real slope, geologic boundary, groundwater level and slip surface. Potential sliding surfaces and sliding directions can be calculated with three 3-D limit equilibrium analysis methods, and the impacts of water load, seismic load and anchoring forces were analyzed. The analysis results of a tension-distorted body on the right bank of the reservoir at Pubugou hydropower station verified the efficiency and applicability of the improved CORE-lam3D program.

Key words

slope stability analysis / 3-D limit equilibrium method / the most dangerous sliding direction / simulation of slope surface

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YUAN Wen, XU Qing, CHEN Sheng-hong, WU Ai-qing. Three-Dimensional Limit Equilibrium Method for Slope Stability Analysis and Its Application[J]. Journal of Changjiang River Scientific Research Institute. 2013, 30(4): 56-61 https://doi.org/10.3969/j.issn.1001-5485.2013.04.013

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