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Volume 35 Issue zk2
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HUANG Gang-hai. Stability analysis of waste dump with complex terrain under heavy rainfall infiltration[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 292-295.
Citation: HUANG Gang-hai. Stability analysis of waste dump with complex terrain under heavy rainfall infiltration[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 292-295.
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Stability analysis of waste dump with complex terrain under heavy rainfall infiltration

  • Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China

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  • Received Date: June 06, 2013
  • Published Date: November 24, 2013
    Abstract
  • In view of the problem that it will induce disasters if heavy rainfall influences the waste dump with complex terrain in a mine, four kinds of heavy rainfalls with return period of 100 years are designed. With the help of modeling function of ANSYS, a complex model for the dump is established. Utilizing the fluid-solid coupling module of FLAC3D, four kinds of heavy rainfalls are imposed on the dump, respectively. It uses two criteria, whether plastic deformation area cuts through the dump and whether displacement value of representative position uprushs, to judge whether or not failure of the dump occurs. The results show that, the waste dump will slide in the case of rainfall if its intensity is larger than 5 mm/h and its duration is longer than 40 minutes. This study may provide theoretical and technical support for the mine to prepare for risk prevention.
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    • References (8)
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    HUANG Gang-hai

    • Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China

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