Abstract：Man-bored cast-in-place pile foundation in collapsible loess area，especially in high earth fill section with high collapsibility，often causes subsidence by some reasons and consequently deformation accident of buildings. Based on typical case histories of man-bored cast-in-place pile foundation subsidence of several buildings in certain zone of Lanzhou，the reason of pile subsidence in this zone is analysed and several treatment measures are discussed.
魏佳中尚继红. 高填方强湿陷地段井桩下沉问题的探讨[J]. 岩石力学与工程学报, 2003, 22(S2): 2920-2924.
Wei Jiazhong，Shang Jihong. DISCUSSION ON SUBSIDENCE PROBLEM OF MAN-BORED CAST-IN-PLACE PILE IN HIGH EARTH FILL SECTION WITH HIGH COLLAPSIBILITY. , 2003, 22(S2): 2920-2924.
2003, Vol. 22 
