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Volume 16 Issue 1
Mar 2005
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Wenxing Jian, Kunlong Yin, Yixian Xu. Primary Investigations on Yangtze River Bank Slope Stability in Wanzhou for the Three Gorges Reservoir Project. Journal of Earth Science, 2005, 16(1): 45-50.
Citation: Wenxing Jian, Kunlong Yin, Yixian Xu. Primary Investigations on Yangtze River Bank Slope Stability in Wanzhou for the Three Gorges Reservoir Project. Journal of Earth Science, 2005, 16(1): 45-50.

Primary Investigations on Yangtze River Bank Slope Stability in Wanzhou for the Three Gorges Reservoir Project

Funds:

the project"Investigations on Bank Slope Stability for the 3rd Geodisaster Prevention Plan of Wanzhou District in Three Gorges Reservoir" 

the project sponsored by SRF for ROCS, SEM 

  • Received Date: 26 Aug 2004
  • Accepted Date: 20 Dec 2004
  • This paper investigates the main factors contributing to bank slope failures, such as the structure of rock and soil, water level change, bank slope gradient, vegetation, weathering and human activities. Based on these investigations, the bank slope failure models are analyzed. The stability of bank slopes in Wanzhou is investigated using geological surveying, 2D resistivity imaging surveying, excavated trenches and other methods. Finally, the disasters of bank slope failures in Wanzhou were investigated in detail. The results show that instability problems might occur in 60.38 km of bank slopes when the water level rises to 175 m. It is suggested that 37.8 km of unstable bank slopes should be stabilized, and 14.2 km of unstable banks should be moved or avoided after further geological surveying and reconnaissance. These results provide scientific basis and reliable data for the government to develop the third geodisaster prevention plan for the Three Gorges reservoir.

     

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  • Chen, D. J., 1999. Engineering Geological Problems in the Three Gorges Project on the Yangtze, China. Engineering Geology, 51: 183-193 doi: 10.1016/S0013-7952(98)00035-0
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    Wang, Y. G., Kuang, S. F., Huang, Y. J., 2003. Study on Bank Collapse during Flooding Periods. Journal of China Institute of Water Resources and Hydropower Research, 1(2): 90-97(in Chinese with English Abstract)
    Yuan, Z. Y., Tang, X. C., 2003. The Influence of Sluice and Water Level Fluctuation on Landslide and Rockfalls of the Three Gorges Project and Principles of Prevention. Tropical Geography, 23(1): 30-34(in Chinese with English Abstract)
    Zhang, X. G., Li, Z. Y., Zhen, D., et al., 1988. Engineering Geology in Engineering Practice. Geological Publishing House, Beijing. 236-242(in Chinese)
    Zhou, L. M., Xiao, G. Q., Wang, F. G., et al., 2004. Application of High Density Resistivity Method in Detecting Interface between Stone and Earth. Journal of Yangtze River Scientific Research Institute, 21(6): 91-92(in Chinese with English Abstract)
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