病险水库除险加固中混凝土防渗墙新型接头的研究

坝体渗漏是病险水库常见病状,病险水库加固后能否安全运行,在很大程度上取决于能否正确选择合理的渗流控制措施.混凝土防渗墙是进行病险水库渗漏处理的首选方法.防渗墙的接头部位是防渗墙防渗的薄弱环节,其连接质量是保证防渗墙整体防渗效果的关键,决定着防渗墙的成败,且代表着防渗墙技术的发展水平.在分析了传统防渗墙墙段接头形式的弊端的基础上,借鉴坝体接缝灌浆原理,设计研究了一种新型的防渗性能可靠的接缝灌浆式接头形式.介绍了其施工工艺、技术要点以及质量保证措施等.此技术有利于简化传统接头施工工艺,提高施工效率,缩短工期,经济效益显著.

Study on New Joint Types of Concrete Cut-off Wall in Reinforcement of Dangerous Reservoirs

Leakage is a common symptom of dangerous reservoirs.Whether reinforced dangerous reservoirs can run,to a large extent,depends on the correct choosing a reasonable seepage control measure.Concrete cut-off wall is the first preferable method of leakage treatment of dangerous reservoirs.The joint section of cut-off wall is very important and its quality is crucial to ensure the anti-seepage effect of the cut-off wall and determines the success or failure of the cut-off wall,and also represents the level of tec...