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Volume 38 Issue 4
Aug.  2019
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Article Navigation >  CARSOLOGICA SINICA  > 2019  >  38(4): 496-501
HE Suhebateer, JIANG Liangwen, ZHANG Guitong. Influence of drainage on karst groundwater at an existing tunnel in the east-spring mountains, Chongqing[J]. CARSOLOGICA SINICA, 2019, 38(4): 496-501. doi: 10.11932/karst20190404
Citation: HE Suhebateer, JIANG Liangwen, ZHANG Guitong. Influence of drainage on karst groundwater at an existing tunnel in the east-spring mountains, Chongqing[J]. CARSOLOGICA SINICA, 2019, 38(4): 496-501. doi: 10.11932/karst20190404
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Influence of drainage on karst groundwater at an existing tunnel in the east-spring mountains, Chongqing

doi: 10.11932/karst20190404
  • 1.

    China Railway Eryuan Engineering Group Co. Ltd. Chong qing Company，Chong qing 400023,China/Geological Inovation Studio of CREEC, Chengdu, Sichuan 610031,China

  • 2.

    Geological Inovation Studio of CREEC, Chengdu, Sichuan 610031,China

  • 3.

    China Railway Eryuan Engineering Group Co. Ltd. Chong qing Company，Chong qing 400023,China

  • Publish Date: 2019-08-25
    Abstract
  • The path of karst groundwater runoff is very complex, and the influence of tunnel drainage on karst groundwater is a long and complex process. Based on long-term observation data and site investigations, this paper analyzes the influence of existing tunnel drainage on karst groundwater in the east-spring mountains of Chongqing. It is concluded that the cone of depression formed by the drainage of karst groundwater from the tunnel in the horizontal flow zone can generally reach the elevation of the tunnel, while that in the tunnel in karst fractured zone remains at a certain height above the tunnel. Permeability is the key influencing factor of tunnel drainage on karst groundwater. The research results would be helpful to the selection of routes in karst areas and analysis of the influence of tunnel drainage on karst groundwater.

     

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