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Experimental and Numerical Analysis of Sustainable Use of Steel Slag for Geogrid-Encased Column Involving Its Clogging Effects

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Listed:
  • Kaiwen Liu

    (Guangxi Communications Investment Group Corporation Ltd., Nanning 530022, China
    Key Laboratory of High-Speed Railway Engineering (Ministry of Education), School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Ruizhe Qiu

    (Key Laboratory of High-Speed Railway Engineering (Ministry of Education), School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Xiaolong Wang

    (Key Laboratory of High-Speed Railway Engineering (Ministry of Education), School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Fei Yue

    (Key Laboratory of High-Speed Railway Engineering (Ministry of Education), School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Xiangdong Lian

    (Guangxi Communications Investment Group Corporation Ltd., Nanning 530022, China)

Abstract

This study investigates the sustainable use of steel slag for a geogrid-encased column involving its reinforcement and clogging effects on its consolidation performance in soft foundations through model tests and 3D hydromechanical-coupled finite element analyses. The 3D finite element model is first validated according to test results of an untreated and treated soft soil foundation. Then, a parametric study investigating the effect of clogging on the performance of the geogrid-encased steel slag column (GESSC) is carried out. Steel slags mixed with different percentages of fine (0%, 10%, 20%, and 40%) are used to simulate various clogging conditions. The numerical study shows that the percentage of fines in the GESSC has a notable effect on the dissipation of excess pore water pressure as well as foundation consolidation.

Suggested Citation

  • Kaiwen Liu & Ruizhe Qiu & Xiaolong Wang & Fei Yue & Xiangdong Lian, 2022. "Experimental and Numerical Analysis of Sustainable Use of Steel Slag for Geogrid-Encased Column Involving Its Clogging Effects," Sustainability, MDPI, vol. 15(1), pages 1-16, December.
    • Handle: RePEc:gam:jsusta:v:15:y:2022:i:1:p:722-:d:1021236
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    References listed on IDEAS

    as
    1. Yuanhang Sun & Meizhu Chen & Dongyu Chen & Shaoyan Liu & Xintao Zhang & Shaopeng Wu, 2022. "Laboratory Preparation and Performance Characterization of Steel Slag Ultrafine Powder Used in Cement-Based Materials," Sustainability, MDPI, vol. 14(22), pages 1-18, November.
    2. Zipeng Wang & Zenggang Zhao & Chao Yang & Xinkui Yang & Shuaichao Chen & Yingxue Zou, 2022. "Performance Evaluation of Asphalt Modified with Steel Slag Powder and Waste Tire Rubber Compounds," Sustainability, MDPI, vol. 14(14), pages 1-16, July.
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