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Jiang Xiaobing, Zhu Shenyang, Zhang Haobo. Calculation formula of vertical displacement caused by side friction of pile in homogeneous foundation soils[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(1): 6-13. doi: 10.20265/j.cnki.issn.1007-2993.2023-0646
Citation: Jiang Xiaobing, Zhu Shenyang, Zhang Haobo. Calculation formula of vertical displacement caused by side friction of pile in homogeneous foundation soils[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2025, 39(1): 6-13. doi: 10.20265/j.cnki.issn.1007-2993.2023-0646
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Calculation formula of vertical displacement caused by side friction of pile in homogeneous foundation soils

doi: 10.20265/j.cnki.issn.1007-2993.2023-0646
  • 1.

    Xi’an Investigation Institute of China National Nonferrous Metals Industry, Xi’an 710054, Shaanxi, China

  • 2.

    Shaanxi Province Construction Engineering Quality and Safety Supervision Station, Xi’an 710016, Shaanxi, China

  • 3.

    Xi’an University of Technology, Xi’an 710048, Shaanxi, China

  • Received Date: 2023-07-17
  • Accepted Date: 2023-12-25
  • Rev Recd Date: 2023-11-05
  • Publish Date: 2025-02-21
    Abstract
  • According to Mindlin’s displacement solution regarding a semi-infinite mass subjected to a point load, the calculation formulas for vertical displacement caused by skin friction in piles under uniformly distributed loads have been derived thoroughly. This includes scenarios with linearly increasing distribution loads along the length of the pile and arbitrary distribution loads within uniform foundations. Through concrete project examples, it is confirmed that these formulas are both accurate and practical. The formula presented plays a crucial role in calculating the settlement of pure friction single piles, the elastic deformation in the early stage of pile and soil under load, and the comparison of elastic-plastic deformation and finite element calculation. The strata in some areas of Xi’an are mainly composed of medium and low compressible loess and paleosol, and the soil quality is relatively uniform. The results obtained by this calculation method are reliable and have practical application value.

     

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