Volume 36 Issue 3
Jun.  2022
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Article Navigation >  GEOTECHNICAL ENGINEERING TECHNIQUE  > 2022  >  36(3): 219-223
Li Shigui, Xu Qian. Application of Unloading and Pressure-foot Method in Treatment of Unstable Slope[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2022, 36(3): 219-223. doi: 10.3969/j.issn.1007-2993.2022.03.009
Citation: Li Shigui, Xu Qian. Application of Unloading and Pressure-foot Method in Treatment of Unstable Slope[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2022, 36(3): 219-223. doi: 10.3969/j.issn.1007-2993.2022.03.009
shu

Application of Unloading and Pressure-foot Method in Treatment of Unstable Slope

doi: 10.3969/j.issn.1007-2993.2022.03.009
  • 1.

    E'xi Geological Engineering Investigation Institute of Hubei Province, Yichang 443000, Hubei, China

  • 2.

    China Three Gorges University, Yichang 443000, Hubei, China

  • Received Date: 2020-11-23
    Available Online: 2022-06-02
  • Publish Date: 2022-06-08
    Abstract
  • There are many approaches for the treatment of slope, among which the combined treatment method of unloading and pressure-foot is simple, convenient and effective. Reasonable unloading and pressure-foot treatment scheme can not only greatly save project cost and shorten project period, but also achieve permanent treatment effect. Taking an unstable slope in Shennongjia Forestry District of Hubei Province as an example, the method of unloading and pressure-foot was applied based on stability analysis calculation software. The influence of different bar numbers on the stability coefficient of slope was summarized, and the boundary between the main sliding and the resistant section was calculated. Four kinds of unloading and pressure-foot treatment schemes were designed. According to the stability coefficient and the remaining sliding force, the scheme that meets the standards requirements is selected. The optimal scheme is obtained by comparing the cost-performance ratio. This method could provide reference for similar slope and landslide treatment engineering.

     

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