2YAO W J,QIU Y Z,CHEN Z K.Ultimate bearing capacity analysis of super-long rock-socketed filling pile based on catastrophe theory[J].Advances in structural engineering-an international journal,2010,13(2):331-338.
3YAO W J,YIN W X.Numerical simulation and study for superlong pile group under axis and lateral loads[J].Advances in structural engineering-an international journal,2010,13(6):1139-1151.
5ADEL M H,ALI S D.Force on single piles in clay subjected to surcharge loading[J].International journal of geomechanics,2006,6(2):89-96.
6CHOW Y K.CHIN J T,LEE S L.Negative skin friction on pile groups[J].International journal for numerical and analytical in geomechanics,1990,14:75—91.
7LEE C Y.Pile groups under negative skin friction[J].Journal of geotechnical engineering,1993,119(10):1587-1660.
8BRANSBY M F,SPRINGMAN S M.3-D finite element modeling of pile groups adjacent to surcharge loads[J].Computer and geotechnics,1996,19(4):301-324.
9YAO W J,LIU Y M.CHEN J.Characteristics of negative skin Friction for superlong piles under surcharge loading[J].International journal of geomechanics,2012,12(2):90-97.
8Owen D,Hinton E. Finite elements in plasticity: Theory and practice[ M]. Swansea: Pineridge Press, 1980.
9Bolton M. The strength and dilataney of sands[] ]. Geotechnique, 1986,36 (1) : 65 - 78.
10Stewart D P,Jewell R J ,Randolph M F. Design of piled bridge abutments on soft clay for loading from lateral soll movement[ J ].Geotechnique (2):277-296.
