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Comparison of slope stabilization methods by three-dimensional finite element analysis

Author

Listed:
  • Omer F. Usluogullari

    (Turgut Ozal University)

  • Ahmet Temugan

    (Turgut Ozal University)

  • Esra S. Duman

    (Turgut Ozal University)

Abstract

Man-made factors take an important place in the formation of landslides besides the natural events. Road constructions, establishing new residential areas and interfering natural drainage systems are some of the common reasons that cause landslides. A slope on an intercity road construction site in the western Black Sea region, Turkey, is selected for this study due to the presence of small-scale soil movements, rock falls, tension cracks and occurrence of landslides in the neighborhood. The study area is investigated at three different profiles based on the topography. Slope stability analyses are carried out on these profiles by three-dimensional finite element analyses. As the results of analysis critic levels of the factor of safety and the high soil movements are estimated for one of the profiles. There are a couple of methods developed to prevent potential landslides, ceasing soil movements and securing the construction zones. Stabilizing slopes with piles are widely being used to enhance slope stability of landslide-prone areas. In this study, the behavior of stabilizing piles with and without lateral support is investigated. The bending moments and shear forces of piles and the maximum soil displacements are estimated to evaluate the performance of pile-stabilized slopes. Slope angle reduction is being performed as a remediation option, and an optimal solution is proposed after comparing the result of the analyses.

Suggested Citation

  • 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.
    • Handle: RePEc:spr:nathaz:v:81:y:2016:i:2:d:10.1007_s11069-015-2118-7
    DOI: 10.1007/s11069-015-2118-7
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    References listed on IDEAS

    as
    1. Yang Yu & Yue-quan Shang & Hong-yue Sun & En-zhi Wang, 2015. "Displacement evolution of a creeping landslide stabilized with 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. 75(2), pages 1959-1976, January.
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    Cited by:

    1. 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.
    2. Tonghui Wei & Wenjie Zuo & Hongwei Zheng & Feng Li, 2021. "Slope hybrid reliability analysis considering the uncertainty of probability-interval using three-parameter Weibull distribution," 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. 105(1), pages 565-586, January.
    3. 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.
    4. 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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    1. 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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