3Poulos H G, Davis E H. Predication of downdrag force in end-bearing piles[J]. Journal Geotech Engng Div, ASCE, 1975,101:189-204.
4Alonso E E, et al. A simplified analysis andprediction procedure[J]. Geotechnique, 1984,34 (3):341-357.
5The C I, Wong K S. Analysis of downdrag on pile groups[J]. Geotechnique, 1995,45(2):191-207.
6Kog Y C, et al. Effects of negative skin friction on piles in layered soil[J]. Geotechnical Engineering,1986,17:211-234.
7Chow Y K. Negative skin friction on pile groups[J]. International Journal for Numerical and Analytical Methods in Geomechanics, 1990,14:75-91.
8Biot M A. General theory of three dimensional consolidation[J]. J Appl Phys, 1941,12:155-164.
9Muki R, Stemberg E. Elastostatic load-transfer to a half-space from a partially embedded axially loaded rod[J]. Int J Solids Stuctures, 1970,16:69-90.
10Schapery R A. Approximate methods of transform inversion for visco-elastic analysis[A]. Proc 4th U S National Cong Appl Mech[C], California: Berkeley, 1962. 1065-1085.