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ZHANG Man, ZENG Chang-nü, TIAN Wen-li. FEM analysis of interaction between upper structure and raft foundation in silty ground[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk1): 462-467.
Citation: ZHANG Man, ZENG Chang-nü, TIAN Wen-li. FEM analysis of interaction between upper structure and raft foundation in silty ground[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk1): 462-467.

FEM analysis of interaction between upper structure and raft foundation in silty ground

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  • Received Date: March 01, 2013
  • Published Date: July 18, 2013
  • The interaction between upper structure and raft foundation in silty ground is analyzed based on the special silty ground in Zhengzhou using ABAQUS. The effects of upper structure, construction stage and content of the silty soil on the interaction are considered. The differences between the conventional method and the combination method are compared. The results show that when considering the interaction the maximum stress of raft is less than that of the conventional design, and it will move from the center to the edge of raft. When increasing the water content of silty soil to its optimum water content, local bending and stress-concentrated phenomena will occur at the edge of raft foundation. While the water content exceeds the optimum water content, the base reaction force spreads around and the stress becomes uniform.
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