Volume 40 Issue 1
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Article Navigation >  GEOTECHNICAL ENGINEERING TECHNIQUE  > 2026  >  40(1): 75-83
LI Jian, ZHANG Mingjing, LIU Xiaowei, ZHUANG Peizhi, ZHU Qiyin, CUI Xueshi, LI Gang. Optimization of anti-liquefaction measures for rigid pile composite foundations of cooling towers in the flooded area of Yellow River[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(1): 75-83. doi: 10.20265/j.cnki.issn.1007-2993.2024-0503
Citation: LI Jian, ZHANG Mingjing, LIU Xiaowei, ZHUANG Peizhi, ZHU Qiyin, CUI Xueshi, LI Gang. Optimization of anti-liquefaction measures for rigid pile composite foundations of cooling towers in the flooded area of Yellow River[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2026, 40(1): 75-83. doi: 10.20265/j.cnki.issn.1007-2993.2024-0503
shu

Optimization of anti-liquefaction measures for rigid pile composite foundations of cooling towers in the flooded area of Yellow River

doi: 10.20265/j.cnki.issn.1007-2993.2024-0503
  • 1.

    Shandong Provincial Communications Planning and Design Institute Group Co., Ltd., Jinan 250101, Shandong, China

  • 2.

    School of Qilu Transportation, Shandong University, Jinan 250002, Shandong, China

  • 3.

    State Key Laboratory of Intelligent Construction and Healthy Operation and Maintenance of Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China

  • 4.

    Jinan Railway Transportation Group Co., Ltd., Jinan 250014, Shandong, China

  • Received Date: 2024-11-01
  • Publish Date: 2026-02-06
    Abstract
  • To investigate the mechanical characteristics and response mechanism of a rigid pile composite foundation with pile reinforcement for cooling towers in liquefiable soil in the flooded area of Yellow River, a numerical analysis was conducted. This study analyzed the dynamic interaction between the site soil and the rigid pile structure under seismic loading, comparing the effects of different pile reinforcement configurations on foundation seismic resistance and deformation characteristics. Results show that peak bending moments occur in the outermost piles, located at the boundary between the liquefiable soil layer and the underlying non-liquefiable soil. For single-row, triple-row, and varying-length pile configurations, the peak bending moments decreased by 16.7%, 31.9%, and 29.9%, respectively. Defining the reinforcement efficiency coefficient as the ratio of peak bending moment reduction to reinforcement pile length, analysis revealed that the varying-length pile configuration has the highest efficiency, while the triple-row pile configuration is the least efficient. Pile reinforcement also reduces overall acceleration around the pile and improves settlement deformation of the pile cap. For single-row, triple-row, and varying-length pile configurations, settlement was reduced by 7.75%, 24.03%, and 15.5%, respectively.

     

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