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Volume 36 Issue zk2
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ZHANG Ai-jun, ZHANG Zhi-yun. Displacements and internal forces of retaining structures in center-island excavation based on foundation resistance method[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 42-47. DOI: 10.11779/CJGE2014S2008
Citation: ZHANG Ai-jun, ZHANG Zhi-yun. Displacements and internal forces of retaining structures in center-island excavation based on foundation resistance method[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 42-47. DOI: 10.11779/CJGE2014S2008
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Displacements and internal forces of retaining structures in center-island excavation based on foundation resistance method

  • 1. School of Civil Engineering, Guangzhou University, Guangzhou 510006, China;
    2. Guangdong Provincial Academy of Building Research, Guangzhou 518028, China

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  • Received Date: July 27, 2014
  • Published Date: July 27, 2014
    Graphical Abstract
    • Abstract
  • The center-island excavation construction method is widely used in engineering because of its many advantages, such as reduced internal force and deformation envelope, cost savings and setting flexibility. However, the calculation method for retaining structures under the action of containment berm is immature. Based on the Winkler elastic foundation resistance method (FRM), according to different stress patterns of the vertical retaining structure, a new computational analysis model as well as the governing equations is proposed. Firstly, the mathematical matrix expressions for internal forces and deformation of retaining structures are derived, and the analytical solution methods are given. Moreover, Matlab is involved the calculation procedures for internal force and deformation of the retaining structures. Finally, in-situ monitoring data are analyzed to verify the reliability of the analytical solution method. It is shown that the analytical solution of FRM can accurately calculate the internal force and deformation of center of retaining structures under the action of containment berm.
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    • References (23)
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