ISSN 1000-3665 CN 11-2202/P
    刘昌军, 丁留谦, 杨凯虹, 杨西林, 王锦锋. 水位骤降条件下有密集排水孔大坝三维渗流场数值模拟研究[J]. 水文地质工程地质, 2011, 38(3): 24-29.
    引用本文: 刘昌军, 丁留谦, 杨凯虹, 杨西林, 王锦锋. 水位骤降条件下有密集排水孔大坝三维渗流场数值模拟研究[J]. 水文地质工程地质, 2011, 38(3): 24-29.
    shu
    LIUChang-jun, . Study on three dimensional numerical simulation of seepage field of dam with dense drainage holes under sudden drop of water level[J]. Hydrogeology & Engineering Geology, 2011, 38(3): 24-29.
    Citation: LIUChang-jun, . Study on three dimensional numerical simulation of seepage field of dam with dense drainage holes under sudden drop of water level[J]. Hydrogeology & Engineering Geology, 2011, 38(3): 24-29.
    shu

    水位骤降条件下有密集排水孔大坝三维渗流场数值模拟研究

    Study on three dimensional numerical simulation of seepage field of dam with dense drainage holes under sudden drop of water level

      摘要
    • 摘要: 对于坝坡布置密集排水孔的工程渗流问题,水位骤降条件下密集排水孔排水效果及坝体和坝基内三维渗流场分布是工程设计人员关心的重要问题。针对坝坡布置排水孔的渗流行为,提出了密集排水孔在水位骤降下渗流状态改变的处理方法。并详细论述了改进的截止负压法求解饱和-非饱和渗流场、排水子结构法和排水孔开关器等精细模拟排水孔的关键技术。工程实例表明,采用该方法可以有效地解决水位骤降下上游坝坡布置密集排水孔三维渗流场的精细数值模拟问题。

       

      Abstract: The drainage effect of dense drainage holes and three dimensional seepage field distribution under sudden drop of water level are key problems concerned by engineering designers for seepage of dam slope collocated dense drainage holes on it.According to seepage of drainage holes collocated on dam slope,the treatment method of seepage state variation under sudden drop of water level is provided.The key techniques to simulated drainage holes accurately,including the improved cut-off negative press...

       

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