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Volume 39 Issue 3
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LI Zhuo, HE Yong-jun, SHENG Jin-bao, LI Hong-en, LI Zheng, YANG Yang. Landslide model for slope of reservoir bank under combined effects of rainfall and reservoir water level[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(3): 452-459. DOI: 10.11779/CJGE201703008
Citation: LI Zhuo, HE Yong-jun, SHENG Jin-bao, LI Hong-en, LI Zheng, YANG Yang. Landslide model for slope of reservoir bank under combined effects of rainfall and reservoir water level[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(3): 452-459. DOI: 10.11779/CJGE201703008
shu

Landslide model for slope of reservoir bank under combined effects of rainfall and reservoir water level

  • 1. Department of Dam Safety Management, Nanjing Hydraulic Research Institute, Nanjing 210029, China;
    2. Dam Safety Management Center of Ministry of Water Resources, Nanjing 210029, China;
    3. Key Laboratory of Earth-Rock Dam Failure Mechanism and Safety Control Techniques, Ministry of Water Resources, Nanjing 210024, China

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  • Received Date: November 22, 2015
  • Published Date: April 24, 2017
    Graphical Abstract
    • Abstract
  • According to the landslide characteristics of the slope of the reservoir bank of Longjiang Hydropower Station in Yunnan Province, laboratory tests are conducted to investigate the characteristics of the landslide under the combined effects of rainfall and reservoir water level. The results show that the rainfall is an important factor for causing landslides of the reservoir bank near the dam, and the effective stress of the slope is reduced by the combined effects of rainfall and reservoir water level. Therefore, the shear strength of the slope decreases, and the subsidence and cracks of the slope are induced by the action of reservoir water level. The landslide of the slope is caused by the interaction of rainfall and reservoir water level. For the soil of the slope under the reservoir water level, the moisture infiltration is sufficient, and the pore water pressure inside the slope is large. Landslides are easily induced near the reservoir bank, and such kind of landslide belongs to the drawing landslide in shallow surface.
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    • References (17)
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