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MEASURES FOR CONTROL OF SEEPAGE IN RCC DAMS

机译：碾压混凝土坝渗漏控制措施

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摘要

Measures for control of seepage are very important to construction of a RCC dam. Based on the structural design and construction of a RCC gravity dam located in northwest China, the functions of the watertight and drainage measures for control of seepage in the dam were analyzed with FEM in detail. At the same time, the influence of some horizontal cleavage cracks in the dam surface upstream,on the seepage in the dam was also investigated with the help of FEM calculations. The effect of drainage curtain consisting of relief holes arranged in the upstream of the dam has the dominant use for the control of the hydraulic heads and also the hydraulic pressure heads in the lift joints of RCCDs. Some suitable, reliable and economical specific measures are suggested for the control of seepage in RCCDs according to the robust results obtained from numerical analysis. At the time being, the measures suggested are widely and successfully applied to practice in China.
机译：防渗措施对于RCC大坝的建设非常重要。在西北某碾压混凝土重力坝结构设计与施工的基础上，运用有限元方法对防渗排水措施对坝体渗流的控制作用进行了详细分析。同时，借助有限元分析，还研究了上游坝面水平解理裂缝对坝体渗流的影响。由布置在大坝上游的泄压孔组成的排水帘的作用主要用于控制RCCD的提升接头中的液压头和液压头。根据数值分析得到的可靠结果，提出了一些合适，可靠和经济的措施来控制RCCD中的渗漏。当时，建议的措施已在中国实践中得到广泛成功的应用。

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  • 来源
  • 会议地点 Nanjing(CN)
  • 作者

    Wang Tie-zhi; rnYang Yun-fei;

  • 作者单位

    ZHU YUEMING@College of Water Conservancy Water Power Engineering,Hohai University,Nangjing,Jiangsu,210098,China--CUI HAODONG@College of Water Conservancy Water Power Engineering,Hohai University,Nangjing,Jiangsu,210098,China--LUO WEIBANG@Xinjiang Survey and Design Institute of Water Resources and Hydropower,Rümchi,Xinjiang,830000,China--LIU TAO@Xinjiang Survey and Design Institute of Water Resources and Hydropower,Rümchi,Xinjiang,830000,China--;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 挡水坝;
  • 关键词

    seepage; RCC dam; drainage hole; measure; control of seepage;

    机译：渗漏;碾压混凝土坝;排水孔测量;控制渗流;

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