1Bjerrum L, Johannessen I J, Eide O. Reduction of negative skin friction on steel piles to rock [A]. Proceedings of the 7th International Conference on Soil Mechanics and Foundation Engineering [C]. Mexico City, 1969 (2) : 27 -34.
2Fellenius B H, Broms B B. Negative skin friction for long piles driven in clay [ A]. Proceedings of the 7th International Conference on Soil Mechanics and Foundation Engineering [C]. Mexico City, 1969 (2): 93-97.
6Koemer R M, Mukhopadhyay, Chirantan. Behavior of negative skin friction on model piles in medium - placticity silt [ A ]. Highway Rearch Record [C], 1972: 34-44.
7Rao S N, Krishnamurthy N R. Studies of negative skin friction in model piles [J]. Geotechnical Engineering, 1982, 13 (1): 83-91.
10Chow Y. K, Lim C. H. and Karunaratne GP. Numerical modeling Of negative skin friction on pile groups. Computers and Geotechnics,1996,18(3) :201 - 224
3C.J. Lee, M. D. Bolton and A. Al-Tabbaa, Numerical modelling of group effects on the distribution of dragloads in pile foundations [ J]. Geoteehnique, 2002,52(5) :325- 335.
4Comodromos EM, Bareka SV. Evaluation of negative skin friction effectsin pile foundations using 3D nonlinear analysis [ J]. Computers and Geotechanics, 2005 (32) : 210 - 221.
5Itasca Consulting Group Inc. FLAC3D : Fast Lagrangian Analysis of Continnua in 3-Dimensions, Version 3.0, Manual, Itasca, Minnesota, Minneapolis, 2002.