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Study on Inhibition Range of Liquefaction of Saturated Sand by Load Using a Shaking Table Test

Author

Listed:
  • Xiaolei Wang

    (School of Civil Engineering, Hebei University of Engineering, Handan 056038, China)

  • Hai Ren

    (School of Civil Engineering, Hebei University of Engineering, Handan 056038, China)

  • Run Liu

    (Geotechnical Institute, School of Civil Engineering, Tianjin University, Tianjin 300000, China)

  • Libo Liu

    (School of Civil Engineering, Hebei University of Engineering, Handan 056038, China)

  • Lin Dong

    (School of Civil Engineering, Hebei University of Engineering, Handan 056038, China)

  • Yuchen Jiang

    (School of Civil Engineering, Hebei University of Engineering, Handan 056038, China)

  • Zengpei Liu

    (School of Civil Engineering, Hebei University of Engineering, Handan 056038, China)

  • Keke Li

    (Beijing Institute of Survey and Design Co., Ltd., Beijing 100038, China)

Abstract

As a novel, renewable, and efficient source of energy, offshore wind power has attracted many scholars across the globe. Studies show that offshore wind power significantly enhances the liquefaction resistance of marine saturated sand foundations exposed to seismic waves as loads. In the present study, a series of shaking table tests were conducted to study the load-induced enhancement of the liquefaction resistance of the sand. To this end, the excess pore pressures of soil mass at different buried depths were monitored in real time and the variations were analyzed. Moreover, a liquefaction constant was proposed and its influencing range was quantified. The obtained results demonstrated that load inhibits sand liquefaction at the near-end area, while it facilitates sand liquefaction at the far-end area. It is found that in soil under load at a buried depth of zero to two times the diameter, the liquefaction resistance increases linearly with the load value. Furthermore, the range of vertical inhibition and the lateral load wall end is 2.55 times and 2.36 times greater than the load diameter, respectively. The present study provides a basis to study the load-induced inhibition range of sand liquefaction, which is of significant importance for the development and optimization of offshore wind farms.

Suggested Citation

  • Xiaolei Wang & Hai Ren & Run Liu & Libo Liu & Lin Dong & Yuchen Jiang & Zengpei Liu & Keke Li, 2023. "Study on Inhibition Range of Liquefaction of Saturated Sand by Load Using a Shaking Table Test," Sustainability, MDPI, vol. 15(9), pages 1-13, April.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:9:p:7294-:d:1134822
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    References listed on IDEAS

    as
    1. Abdülhakim Zeybek & Murat Eyin, 2023. "Experimental Study on Liquefaction Characteristics of Saturated Sands Mixed with Fly Ash and Tire Crumb Rubber," Sustainability, MDPI, vol. 15(4), pages 1-24, February.
    2. Joalland, Olivier & Mahieu, Pierre-Alexandre, 2023. "Developing large-scale offshore wind power programs: A choice experiment analysis in France," Ecological Economics, Elsevier, vol. 204(PA).
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