2Donald I,et al.Slope stability analysis by an upper bound plasticity method[J].Canadian Geotechnical Journal,1997,34(11):853-862.
3Chen Z,et al.A Three-dimentional slope stability analysis method using the upper bound theorem,Part I:Theory and methods[J].International Journal of Rock Mechanics and Mining Sciences,2004,71(38):369-378.
4Taylor D W.Fundamentals of soil mechanics[M].New York:John Wiley and Sons,1984.
