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首页> 外文会议>Collaborative management of integrated watersheds >TECHNIQUES FOR PREVENTION AND DETECTION OF LEAKAGE IN DAMS AND RESERVOIRS
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TECHNIQUES FOR PREVENTION AND DETECTION OF LEAKAGE IN DAMS AND RESERVOIRS

机译：预防和检测大坝和水库渗漏的技术

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摘要

Leakage is a major safety issue that, if left unchecked, may result in dam failure by various mechanisms. There is enormous pressure on dam operators to repair leaks without significant delays. Frequently, the need to reduce the risk of failure or control water loss has led to costly remedial repairs that are planned and executed without a complete understanding of the problem. A lack of appropriate leakage investigation and monitoring can result in repairs that are unsuccessful in controlling or reducing leakage.rnIn the last few decades, a series of new hydrological techniques have been developed to help in the assessment of leakage and seepage in dams. It is important to make these techniques available to the engineers responsible for dam construction and management so that they become aware of these tools. The available literature on dam leak studies is relatively limited with regard to the use of these techniques when assessing dam leakage. It is difficult to find case studies that discuss integrating the use of several of these techniques in comprehensive evaluations that lead to successful leakage mitigation. These techniques allow identification of recharge zones, preferential paths, and transit times, which aid in monitoring and mitigating the dam leakage.rnThe paper includes description of the techniques and projects in the United States and abroad involving prevention and detection of dam and reservoir leakage, including leakage evaluation, analysis, design, construction, and post-construction verification of repairs.
机译：泄漏是一个主要的安全问题，如果不加以控制，可能会因各种机制导致大坝失灵。大坝运营商面临巨大压力，要在不造成重大延误的情况下修复泄漏。通常，为降低故障风险或控制失水的需要，导致在不完全了解问题的情况下计划和执行昂贵的补救性维修。缺乏适当的渗漏调查和监测可能会导致无法控制或减少渗漏的修复工作。在过去的几十年中，开发了一系列新的水文技术来帮助评估大坝的渗漏和渗流。重要的是要使负责大坝建设和管理的工程师能够使用这些技术，以便他们意识到这些工具。在评估大坝渗漏时，关于这些技术的使用，有关大坝渗漏研究的现有文献相对有限。很难找到案例研究来讨论将这些技术中的几种用于综合评估中，从而成功地减轻泄漏。这些技术可以识别补给区，优先路径和运输时间，从而有助于监控和减轻大坝的渗漏。rn本文包括对美国和国外涉及预防和检测大坝和水库渗漏的技术和项目的描述，包括泄漏评估，分析，设计，施工以及维修后的施工后验证。

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