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2012•Journal of Safety Science and TechnologyRequires access

Study on antiskiding stability safety factor of dam slope by shear strength reduction finite element methods

Liu Dong-xia

Open publisher page 1 citations

Abstract

From the study of shear strength reduction finite element methods(SSR-FEM),the static stability analysis of tailing dam was carried out by this method.The different D-P criterion was used to calculate the antiskiding stability safety factor of dam slope by the SSR-FEM and traditional limit equilibrium methods.The results showed that the failure surfaces under different D-P criterion were closed to classical method,and the safety factor from D-P3 criterion was much more closed to the one which was got from the Fellenius method.So,it is feasible to calculate the antiskiding stability safety factor of tailing dam by the SSR-FEM.Also,it indicates that the finite element method is suitable to simulate the complex section and non-linear material in practical engineering.

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What this paper is about

From the study of shear strength reduction finite element methods(SSR-FEM),the static stability analysis of tailing dam was carried out by this method.The different D-P criterion was used to calculate the antiskiding stability safety factor of dam slope by the SSR-FEM and traditional limit equilibrium methods.The results showed that the failure surfaces under different D-P criterion were closed to classical method,and the safety factor from D-P3 criterion was much more closed to the one which was got from the Fellenius method.So,it is feasible to calculate the antiskiding stability safety factor of tailing dam by the SSR-FEM.Also,it indicates that the finite element method is suitable to simulate the complex section and non-linear material in practical engineering.

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Available abstract

From the study of shear strength reduction finite element methods(SSR-FEM),the static stability analysis of tailing dam was carried out by this method.The different D-P criterion was used to calculate the antiskiding stability safety factor of dam slope by the SSR-FEM and traditional limit equilibrium methods.The results showed that the failure surfaces under different D-P criterion were closed to classical method,and the safety factor from D-P3 criterion was much more closed to the one which was got from the Fellenius method.So,it is feasible to calculate the antiskiding stability safety factor of tailing dam by the SSR-FEM.Also,it indicates that the finite element method is suitable to simulate the complex section and non-linear material in practical engineering.

Key concepts: Safety factor, Strength reduction, Finite element method, Factor of safety, Structural engineering, Slope stability, Shear strength (soil), Stability (learning theory)

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