4GNANAPRAGASAM N. Active earth pressure in cohesive soils with an inclined ground surface[J]. Canadian Geoteehnieal Journal, 2000, 37(1): 171 177.
5CHENG Y M. Seismic lateral earth pressure coefficients for c-o soils by slip line method[J]. Computers and Geoteehnics, 2003, 30(8): 661 -670.
6ERNESTO M. Generalized Coulomb active earth pressure for distanced surcharge[J]. Journal ofGeotechnieal Engineering, 1994, 120(6): 1072- 1079.
7LI Xiao-he, LI Xing-gao. Study of the Coulomb earth pressure by variational method[J]. Journal of Engineering Geology, 2006, 14(1): 78- 82.
8MAO Yi-sheng. Some apparent discrepancies in Coulomb's theory and unjustifiable questions about Rankine's theory for earth pressure on retaining walls[J]. China Civil Engineering Journal, 1954, 1(3): 249-282.
9CRAIG R F.Craig’s soil mechanics[M].London:Spon Press,2004.
