3Dou Yuanming. A Model Test of Excavation Deep Foundation PIT and Finite Element Analysis [A]. The Fifth International Conference on Tall Buildings [C]. HongKong, 1998, 872-877.
4Liu Xiyuan, Dou Yuanming, Yan Shuwang. Study on Technology and Safty Measures for Supporting Structures around Deep Foundation Pit [A].Progress in Safty Science and Technolpogy [C], Taian, 2002.