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Solution and Stability Analysis of Sliding Surface of Tailings Pond under Rainstorm

Author

Listed:
  • Pengfei Wu

    (School of Mines, Liaoning Technical University, Fuxin 123000, China)

  • Bing Liang

    (School of Mines, Liaoning Technical University, Fuxin 123000, China
    School of Mechanics and Engineering, Liaoning Technical University, Fuxin 123000, China)

  • Jiaxu Jin

    (School of Civil Engineering, Liaoning Technical University, Fuxin 123000, China)

  • Kelin Zhou

    (School of Civil Engineering, Liaoning Technical University, Fuxin 123000, China
    Jindong Sauce Wine Brewing Co., Ltd., Zunyi 563000, China)

  • Bin Guo

    (School of Mechanics and Engineering, Liaoning Technical University, Fuxin 123000, China)

  • Zetao Yang

    (School of Mines, Liaoning Technical University, Fuxin 123000, China)

Abstract

In the case of rainstorm, instability accidents in tailings ponds occur frequently, but there is no reliable calculation method for the stability calculation of tailings ponds. At the same time, there are problems of fuzzy hydrological boundaries and randomness of geotechnical parameters in the stability analysis of tailings ponds, which greatly weakens the credibility of the stability calculation. Therefore, this paper studies the stability of tailings ponds by using the principle of hydrogeology, the theory of elastic-plastic mechanics, the idea of limit equilibrium, and the probability analysis model. The boundary conditions of rainfall slope of tailings ponds are determined based on hydrogeological rainstorm analysis and trapezoidal generalization method. The potential sliding surface of tailings pond slope is solved by using the limit strain criterion. Through the random sampling method of Monte Carlo parameters to deal with the randomness of slope geotechnical parameters, the limit strain Monte Carlo reliability analysis method is established. Finally, through the calculation of practical cases, the stability results of tailings ponds under rainstorm are analyzed. The research results provide ideas for the quantitative analysis of tailings pond stability and have important significance for engineering guidelines.

Suggested Citation

  • Pengfei Wu & Bing Liang & Jiaxu Jin & Kelin Zhou & Bin Guo & Zetao Yang, 2022. "Solution and Stability Analysis of Sliding Surface of Tailings Pond under Rainstorm," Sustainability, MDPI, vol. 14(5), pages 1-16, March.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:5:p:3081-:d:765440
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    References listed on IDEAS

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    1. Ana Rita Salgueiro & Henrique Garcia Pereira & Maria‐Teresa Rico & Gerado Benito & Andrés Díez‐Herreo, 2008. "Application of Correspondence Analysis in the Assessment of Mine Tailings Dam Breakage Risk in the Mediterranean Region," Risk Analysis, John Wiley & Sons, vol. 28(1), pages 13-23, February.
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    Cited by:

    1. Meihong Zhi & Yun Zhu & Ji-Cheng Jang & Shuxiao Wang & Pen-Chi Chiang & Chuang Su & Shenglun Liang & Ying Li & Yingzhi Yuan, 2023. "Analysis of Storage Capacity Change and Dam Failure Risk for Tailings Ponds Using WebGIS-Based UAV 3D Image," Sustainability, MDPI, vol. 15(19), pages 1-18, September.

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