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SPH-based simulation of flow process of a landslide at Hongao landfill in China

Author

Listed:
  • Chongqiang Zhu

    (Tongji University)

  • Yu Huang

    (Tongji University
    Tongji University)

  • Liang-tong Zhan

    (Zhejiang University)

Abstract

Landfills are the most popular means of disposing of construction solid waste owing to the low-cost, large treatment volume and strong adaptability. However, landfill collapses and landslides are common, posing a risk to lives and property. A catastrophic landslide, not triggered by heavy rainfall or earthquakes, occurred on December 20, 2015, at Hongao landfill in Guangming New district of Shenzhen, China. The collapsed waste soil flowed 1100 m down a slope with an elevation difference of 100 m. This catastrophic landslide is typical of long-runout disasters with high mobility, which result in great loss to life and property. In this paper, we focused on reproducing the flow processes and simulating the arriving area of the landslide at Hongao landfill using a full three-dimensional (3D) smoothed particle hydrodynamics (SPH) method. A series of undrained ring shear tests were conducted to determine the viscosity coefficient for the numerical simulation. The calculated geometry of the landslide using the full 3D SPH method agreed well with the field data. Hence, the combination of ring shear tests and SPH method can be widely used to predict the dynamic behavior of potential landslides in landfills, to reduce or prevent similar disasters.

Suggested Citation

  • Chongqiang Zhu & Yu Huang & Liang-tong Zhan, 2018. "SPH-based simulation of flow process of a landslide at Hongao landfill in China," 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. 93(3), pages 1113-1126, September.
    • Handle: RePEc:spr:nathaz:v:93:y:2018:i:3:d:10.1007_s11069-018-3342-8
    DOI: 10.1007/s11069-018-3342-8
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    References listed on IDEAS

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    1. Yu Huang & Weijie Zhang & Wuwei Mao & Chen Jin, 2011. "Flow analysis of liquefied soils based on smoothed particle hydrodynamics," 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. 59(3), pages 1547-1560, December.
    2. Yu Huang & Chongqiang Zhu, 2014. "Simulation of flow slides in municipal solid waste dumps using a modified MPS 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. 74(2), pages 491-508, November.
    3. Yu Huang & Guanbo Fan, 2016. "Engineering geological analysis of municipal solid waste landfill stability," 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. 84(1), pages 93-107, October.
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    Cited by:

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    2. Siliang Shen & Zheyu Hu, 2023. "Factors Affecting the Maximum Leachate Head in the Landfill Drainage Layer under Clogging Conditions," Sustainability, MDPI, vol. 15(6), pages 1-16, March.
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    4. Paúl Carrión-Mero & Néstor Montalván-Burbano & Fernando Morante-Carballo & Adolfo Quesada-Román & Boris Apolo-Masache, 2021. "Worldwide Research Trends in Landslide Science," IJERPH, MDPI, vol. 18(18), pages 1-24, September.
    5. Chongqiang Zhu & Hualin Cheng & Zhiyi Chen & Yu Huang, 2021. "Simulation-based hazard management of a constructed landfill for flow slide scenario," 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(3), pages 1867-1878, April.
    6. Yuchao Li & Jianping Chen & Fujun Zhou & Zhihai Li & Qaiser Mehmood, 2022. "Stability evaluation and potential damage of a giant paleo-landslide deposit at the East Himalayan Tectonic Junction on the Southeastern margin of the Qinghai–Tibet Plateau," 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. 111(2), pages 2117-2140, March.

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