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Finite Element Method in Slope Stability Analysis

Xuewu Li

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Abstract

Slope models were established,using based on the finite element method of strength reduction and rigid body limit equilibrium method to analyze the original state of the slope stability and three different excavation schemes slope stability,getting the corresponding interface and the most dangerous slope stability factor.The results show that two methods of calculation are very similar,the coefficient of stability in rigid body limit equilibrium method is bigger than that in the finite element method for calculating side slope stability.The reduction of the angle of side slope could increase coefficient of stability.The result of the analysis provides reference for side slope excavation schemes.

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What this paper is about

Slope models were established,using based on the finite element method of strength reduction and rigid body limit equilibrium method to analyze the original state of the slope stability and three different excavation schemes slope stability,getting the corresponding interface and the most dangerous slope stability factor.The results show that two methods of calculation are very similar,the coefficient of stability in rigid body limit equilibrium method is bigger than that in the finite element method for calculating side slope stability.The reduction of the angle of side slope could increase coefficient of stability.The result of the analysis provides reference for side slope excavation schemes.

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Available abstract

Slope models were established,using based on the finite element method of strength reduction and rigid body limit equilibrium method to analyze the original state of the slope stability and three different excavation schemes slope stability,getting the corresponding interface and the most dangerous slope stability factor.The results show that two methods of calculation are very similar,the coefficient of stability in rigid body limit equilibrium method is bigger than that in the finite element method for calculating side slope stability.The reduction of the angle of side slope could increase coefficient of stability.The result of the analysis provides reference for side slope excavation schemes.

Key concepts: Strength reduction, Slope stability analysis, Slope stability, Stability (learning theory), Finite element method, Limit (mathematics), Reduction (mathematics), Safety factor

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