Volume 44 Issue 5
Oct.  2021
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LIAO Anjie, LI Tianbin, XUE Demin, GAO Meiben. Engineering treatment and numerical simulation of Zhangjiagou landslide[J]. COAL GEOLOGY & EXPLORATION, 2016, 44(5): 126-130. DOI: 10.3969/j.issn.1001-1986.2016.05.024
Citation: LIAO Anjie, LI Tianbin, XUE Demin, GAO Meiben. Engineering treatment and numerical simulation of Zhangjiagou landslide[J]. COAL GEOLOGY & EXPLORATION, 2016, 44(5): 126-130. DOI: 10.3969/j.issn.1001-1986.2016.05.024
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Engineering treatment and numerical simulation of Zhangjiagou landslide

  • State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu 610059, China

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Team Key Project of the State Key Laboratory of Geological Hazard Control and Geological Environmental Protection (SKLGP2011Z 002)

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  • Received Date: June 07, 2015
  • Available Online: October 22, 2021
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    • Abstract
  • Based on Zhangjiagou landslide in Qingchuan, in combination with the engineering geological conditions and deformation and failure characteristics, the paper analyzed the deformation failure reason and stability in detail, revealed the relevant control engineering measures, and numerically simulated before and after the control engineering measures by FLAC3D. The results show that the morphological characteristics of the landslide and the loose structure characteristics of the soil-rock mass are the prerequisite of the landslide instability, while the change of geological environment caused by rainfall is an inducing factor of the landslide instability. The further deformation of landslide is effectively controlled by the control measures which mainly rely on sheet-pile retaining wall and drainage engineering and the stability of the landslide is ensured. The result of numerical simulation is identical with the actual deformation and control effect. It not only verified the effectivenes of the control engineering measures of the landslide, but also showed the rationality of the numerical simulation results.
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