2012•Journal of Wuhan Institute of TechnologyRequires access
Strength reduction finite difference method for solving safety factor of slope
Wang Li-guang
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Abstract
The purpose of this paper is to analyze the stability of the slope accurately.based on the strength reduction finite difference method theory,the elastic-plastic theory and related theories were used to construct the model of solving steps of slope stability.The criterion for slope instability was obtained by combined use of the breakthrough of plastic zone and velocity vector diagram.and then the strength reduction finite difference method was applied to an engineering case.The analysis results show that this method can not only get the accurate slope safety factor,but also depict the slope of the deformation process and the shape of the sliding surface.