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Volume 36 Issue zk2
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MA Shao-kun, HUANG Yan-zhen, CHEN Xin, JIANG Jie, SHAO Yu. Influence of excavation on adjacent rigid-flexible piles considering change of void ratio coefficient with depth[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 140-145. DOI: 10.11779/CJGE2014S2024
Citation: MA Shao-kun, HUANG Yan-zhen, CHEN Xin, JIANG Jie, SHAO Yu. Influence of excavation on adjacent rigid-flexible piles considering change of void ratio coefficient with depth[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 140-145. DOI: 10.11779/CJGE2014S2024
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Influence of excavation on adjacent rigid-flexible piles considering change of void ratio coefficient with depth

  • 1. College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China;
    2. Key Laboratory of Disaster Prevention and Structural Safety, Guangxi University, Nanning 530004, China;
    3. College of Stomatology of Guangxi Medical University, Nanning 530021, China;
    4. China Shipbuilding NDRI Engineering Co., Ltd., Shanghai 200063, China

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  • Received Date: July 27, 2014
  • Published Date: July 27, 2014
    Graphical Abstract
    • Abstract
  • Excavation will easily induce additional deformation and stress relaxation of soils, causing the additional inner forces and displacements of the adjacent piles. Based on the modified Cam-clay model, the user subroutine named VOIDRI of ABAQUS is used to achieve the void ratio nonlinearly changing with depth to perform numerical simulations. The elastic modulus and diameter of pile are taken into account, and the influences of excavation on the additional inner forces and displacements of the adjacent piles are discussed. Some suggestions for the design and construction are proposed.
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    • References (9)
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