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Some observations of the influence factors on the response of pile groups

  • Geotechnical Engineering
  • Published:
KSCE Journal of Civil Engineering Aims and scope

Abstract

A simplified approach for nonlinear analysis of the load-displacement response of pile groups embedded in multilayered soils is presented in this work. A hyperbolic model is used to capture the relationship between unit skin friction and pile-soil relative displacement developed along the pile-soil interface and the stress-displacement relationship developed at the pile end. Considering interactive effect among piles, the parameters related to the hyperbolic model of an individual pile in a group can be computed. As to the analysis of the response of pile groups, a highly effective iterative computer program is developed using the hyperbolic model of an individual pile in a group. The efficiency and accuracy of the present method is verified using a well-documented field test. Furthermore, a parametric study is conducted to capture the influence of pile spacing and number of piles on the load-settlement response of the pile groups connected to a rigid cap. The pile-group settlement ratio and the pile-group resistance ratio are analyzed to assess the interaction effect among individual piles.

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Authors and Affiliations

  1. Research Center of Geotechnical and Structural Engineering, Shandong University, Jinan, 250061, China

    Qian-qing Zhang, Qian Zhang & Fei Xu

  2. Key Laboratory of Geotechnical and Underground Engineering (Tongji University), Ministry of Education, Shanghai, 200092, China

    Qian-qing Zhang & Fa-yun Liang

  3. State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou, 221116, China

    Qian-qing Zhang

  4. Dept. of Civil Engineering, Zhejiang University City College, Hangzhou, 310015, China

    Shi-min Zhang

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  1. Qian-qing Zhang
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  2. Shi-min Zhang
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  3. Fa-yun Liang
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  4. Qian Zhang
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  5. Fei Xu
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Correspondence to Qian-qing Zhang.

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Zhang, Qq., Zhang, Sm., Liang, Fy. et al. Some observations of the influence factors on the response of pile groups. KSCE J Civ Eng 19, 1667–1674 (2015). https://doi.org/10.1007/s12205-014-1550-7

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  • DOI: https://doi.org/10.1007/s12205-014-1550-7

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