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Stability analysis of slope reinforced by double-row stabilizing piles with different locations

Author

Listed:
  • Huayang Lei

    (Tianjin University
    Tianjin University
    Tianjin University)

  • Xu Liu

    (Tianjin University)

  • Yingjie Song

    (Tianjin University)

  • Yinggang Xu

    (Tianjin University)

Abstract

Slope failure occurring could generate enormous loss to both human lives and properties, and stabilizing piles are broadly used for slope reinforcement as a significant anti-slip retaining structure. The performance of the stabilizing piles is strongly affected by different locations. Presently, most literature focuses on the location selection of single-row stabilizing piles. This paper introduces a classic slope and makes further stability analysis of the slope reinforced by single- and double-row stabilizing piles in different locations. According to the potential sliding surface, the distribution of the bending moment and the thrust, the results show that the failure modes of the slopes reinforced by single- and double-row stabilizing piles are different. As the single-row piles move towards the top of the slope, the failure mode of the piled slope takes on a “shallow-deep-shallow” trend. Moreover, as the pile location and spacing change, the failure modes stabilized by double-row piles can be divided into five categories which could be classified as shallow and deep sliding, and the thrust ratio increases with the increasing pile spacing. Regarding the safety factor, it can be concluded that the optimal location for single-row stabilizing piles within a slope is the lower-middle part of the slope, and the optimal locations for double-row stabilizing piles are proposed at the lower and lower-middle parts of the slope, respectively. The presented analysis could provide significant insight into the design of slopes stabilized by stabilizing piles.

Suggested Citation

  • Huayang Lei & Xu Liu & Yingjie Song & Yinggang Xu, 2021. "Stability analysis of slope reinforced by double-row stabilizing piles with different locations," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 106(1), pages 19-42, March.
  • Handle: RePEc:spr:nathaz:v:106:y:2021:i:1:d:10.1007_s11069-020-04446-2
    DOI: 10.1007/s11069-020-04446-2
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    References listed on IDEAS

    as
    1. Yi He & Hemanta Hazarika & Noriyuki Yasufuku & Jidong Teng & Zhenbo Jiang & Zheng Han, 2015. "Estimation of lateral force acting on piles to stabilize landslides," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 79(3), pages 1981-2003, December.
    2. Xiaoyan Liu & Guojun Cai & Lulu Liu & Zhijun Zhou, 2020. "Investigation of internal force of anti-slide pile on landslides considering the actual distribution of soil resistance acting on anti-slide piles," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 102(3), pages 1369-1392, July.
    3. Omer F. Usluogullari & Ahmet Temugan & Esra S. Duman, 2016. "Comparison of slope stabilization methods by three-dimensional finite element analysis," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(2), pages 1027-1050, March.
    4. Omer Usluogullari & Ahmet Temugan & Esra Duman, 2016. "Comparison of slope stabilization methods by three-dimensional finite element analysis," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 81(2), pages 1027-1050, March.
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    Cited by:

    1. Yiding Bao & Yuchao Li & Yansong Zhang & Jianhua Yan & Xin Zhou & Xudong Zhang, 2022. "Investigation of the role of crown crack in cohesive soil slope and its effect on slope stability based on the extended finite element method," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 110(1), pages 295-314, January.
    2. Zhao Li & Da Huang, 2023. "Stability analysis of a water-rich slope stabilized by a novel upper-hollow drainage anti-slide pile," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 117(1), pages 425-446, May.
    3. Yuke Wang & Musen Han, 2022. "Optimal design of slope reinforcement by a new developed polymer micro anti-slide pile in case of emergency and disaster relief," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 112(1), pages 899-917, May.

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