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隧道建设(中英文) ›› 2017, Vol. 37 ›› Issue (7): 878-884.DOI: 10.3973/j.issn.1672-741X.2017.07.015

• 施工技术 • 上一篇    下一篇

水文监测技术在岩溶隧道施工中的应用

秦成   

  1. (中煤科工集团重庆研究院有限公司, 重庆 400039)
  • 收稿日期:2016-11-04 修回日期:2016-12-23 出版日期:2017-07-20 发布日期:2017-07-26
  • 作者简介:秦成(1986—),男,重庆石柱人,2011年毕业于北京师范大学,地下水科学与工程专业,硕士,工程师,现从事水文地质工作。Email: i05041990@163.com。
  • 基金资助:

    重庆市交通科学技术项目(2014-01)

Application of Hydrological Monitoring Technology  to Construction of Karst Tunnels

QIN Cheng   

  1. (China Coal Technology Engineering Group Chongqing Research Institute, Chongqing 400039, China)
  • Received:2016-11-04 Revised:2016-12-23 Online:2017-07-20 Published:2017-07-26

摘要:

为探析岩溶隧道开挖过程中隧址区水文地球化学特征、岩溶水补径排条件以及隧道涌水与地表水文环境的相关关系,以华蓥山隧道工程施工为依托,开展动态水文监测和分析。利用水文动态监测体系反馈的水质和水量信息研究隧址区地下水水文地球化学特征、判定隧道开挖后地下水影响范围。结果表明: 1)常规水质分析和同位素分析显示隧址区地下水径流条件较好,径流途径较短,并且受大气降水影响密切; 2)隧址区地表布设的4个水文监测点均呈现流量、水位减少趋势,证明隧道建设对本区地下水系统造成一定影响,其影响程度不一; 3)相关分析表明隧道涌水与龙古井、龙神洞2个地表水点呈强相关性,具有显著性。

关键词: 岩溶隧道, 涌水, 水文监测, 水化学, 同位素

Abstract:

The ground surface hydrology of Huayingshan Tunnel is monitored and analyzed so as to determine the hydrogeochemical characteristics, recharge, conditions of runoff and discharge of groundwater and its relationship with hydrological environment of water on ground surface. The hydrogeochemical characteristics of groundwater and the influencing degree and range of groundwater are studied by automatic hydrological monitoring system fed back quality and quantity information of water. The results show that: 1) The groundwater runoff regime in the tunnel area is better; the runoff route is short; it is closely related to the precipitation according to routine water quality analysis and isotope analysis. 2) The water flow and water level collected from the 4 ground surface hydrological monitoring points show a reduction trend which shows that the tunnel construction has some influence on groundwater system. 3) Relevant analysis shows the water gushing has a significant relationship with Longgu Well and Longshen Cave.

Key words: karst tunnel, water gushing, hydrological monitoring, water chemistry, isotope

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