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《Journal of Nanjing University of Technology》 2005-03
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Study on three-dimension numerical simulation of deformation of the deep-foundation pit with excavation

LI Jun-cai 1,2,ZHANG Zhuo-yuan 3,XU Qiang 3(1.Department of Earth Science,Nanjing University ,Nanjing 210093,China;2.College of Civil Engineering,Nanjing University of Technology, Nanjing 210009,China;3.Chengdu University of Technology,Chengdu 610059,China)  
With the method of Fast Lagrangian Analysis of Continua 3D, the retaining structures of A and B mansions in Nanjing (cantilever retaining structure, single-pivot composite retaining structure, and borehole cast-in-place concrete pile multi-arch retaining structure) and the soil mass with in certain extension (length, width and height) are treated as one entirety. Combining with the practical dewatering in foundation pit excavation and the construction procedures, the space loading character and deformation of the retaining structure, the displacement and settlement of the surrounding soil mass, and their correlativity are modeled and discussed, the modeling results are comparecl and analyzed with the actual measured data, and some useful conclusions are achieved. It is a beneficial attempt to apply three-dimension numerical simulation research in the deep-foundation pit project.
【Fund】: 国家自然科学基金资助(项目号:50278042)
【CateGory Index】: TU433
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