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Analysis in the elements influencing safety factor of slope stability

JIANG Lixin ( Hunan Polytechnic University,Zhuzhou 412008,China)  
Different yield criteria,internal friction angle and cohesion,dilatancy angle,calculating the range of foot shapes and sizes,the extent of the grid spacing,the destruction standards and other factors have been analyzed on the basis of finite element,to study their impact on the safety of slope stability. Coefficient of the whole,as well as large deformation and small deformation have been compared.
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