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Volume 34 Issue 9
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LIU Xiang-yu, ZHANG Xi-tao, XIE Mo-wen, XU Bo, JIA Ning, QIU Cheng. GIS-based real-time assessment method of infiltration-stabilityof rainfall-induced landslide[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(9): 1627-1635.
Citation: LIU Xiang-yu, ZHANG Xi-tao, XIE Mo-wen, XU Bo, JIA Ning, QIU Cheng. GIS-based real-time assessment method of infiltration-stabilityof rainfall-induced landslide[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(9): 1627-1635.
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GIS-based real-time assessment method of infiltration-stabilityof rainfall-induced landslide

  • 1. State Nuclear Electric Power Planning, Design and Research Institute, Beijing 100095, China; 2. Civil and Environmental Engineering Institute, University of Science and Technology Beijing, Beijing 100083, China; 3. Institute of Environmental Systems, Kyushu University, Fukuoka 812-8581, Japan

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  • Received Date: September 14, 2011
  • Published Date: October 09, 2012
    Graphical Abstract
    • Abstract
  • The rainfall is one of the main factors to induce landslides. The percolation process of the rainfall in the landslide mass is described. Some factors are taken into consideration, including change of wetting characteristics of soils, development tendency of the wetting front and transformation between the infiltrated rainfall amount and the groundwater level. The classical Green-Ampt model is coupled with 3D limit equilibrium model, which assumes infiltration area to be saturated and consideres arbitrary rainfall intensity. A real-time evaluation model for infiltration-stability is established based on grid data format of GIS. It can quantitatively assess stability of landslide by the location of the sliding surface. Finally, there are some examples to validate that the proposed method can be employed to assess and analyze the stability of a single landslide.
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    • References (13)
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