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Back-Analyses of Landfill Instability Induced by High Water Level: Case Study of Shenzhen Landfill

Author

Listed:
  • Ren Peng

    (Department of Civil Engineering, Beihang University, No.37 Xue-Yuan Road, Beijing 100191, China)

  • Yujing Hou

    (Institute of Geotechnical Engineering, China Institute of Water Resources and Hydropower Research, No.20 Che-Gongzhuang West Road, Beijing 100048, China)

  • Liangtong Zhan

    (Institute of Geotechnical Engineering, MOE Key Laboratory of Soft Soils and Geo-environmental Engineering, Zhejiang University, No.866 Yu-Hangtang Road, Hangzhou 310058, China)

  • Yangping Yao

    (Department of Civil Engineering, Beihang University, No.37 Xue-Yuan Road, Beijing 100191, China)

Abstract

In June 2008, the Shenzhen landfill slope failed. This case is used as an example to study the deformation characteristics and failure mode of a slope induced by high water levels. An integrated monitoring system, including water level gauges, electronic total stations, and inclinometers, was used to monitor the slope failure process. The field measurements suggest that the landfill landslide was caused by a deep slip along the weak interface of the composite liner system at the base of the landfill. The high water level is considered to be the main factor that caused this failure. To calculate the relative interface shear displacements in the geosynthetic multilayer liner system, a series of numerical direct shear tests were carried out. Based on the numerical results, the composite lining system simplified and the centrifuge modeling technique was used to quantitatively evaluate the effect of water levels on landfill instability.

Suggested Citation

  • Ren Peng & Yujing Hou & Liangtong Zhan & Yangping Yao, 2016. "Back-Analyses of Landfill Instability Induced by High Water Level: Case Study of Shenzhen Landfill," IJERPH, MDPI, vol. 13(1), pages 1-17, January.
    • Handle: RePEc:gam:jijerp:v:13:y:2016:i:1:p:126-:d:62078
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    Citations

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    Cited by:

    1. Zongxing Zou & Sha Lu & Fei Wang & Huiming Tang & Xinli Hu & Qinwen Tan & Yi Yuan, 2020. "Application of Well Drainage on Treating Seepage-Induced Reservoir Landslides," IJERPH, MDPI, vol. 17(17), pages 1-20, August.
    2. Yili Liu & Jianguo Liu, 2020. "The BioChemical Clogging of Landfill Leachate Collection System: Based on Laboratory Studies," IJERPH, MDPI, vol. 17(7), pages 1-14, March.
    3. Yili Liu & Weixin Sun & Bing Du & Jianguo Liu, 2018. "The Physical Clogging of the Landfill Leachate Collection System in China: Based on Filtration Test and Numerical Modelling," IJERPH, MDPI, vol. 15(2), pages 1-15, February.

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