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随着城市供水发展,引水工程功能的变化,对输水渡槽伸缩缝止水结构要求提高,水工建筑物的运行维护技术要求也变得更加复杂,为了满足供水功能变化,必须对伸缩缝的止水系统进行改造。南水北调工程是目前中国最大的输水工程,渡槽在南水北调的应用比较广泛,渡槽间的止水也成为重要的一环,本文从渡槽间止水的施工角度出发,为渡槽问止水施工增添经验。
With the development of urban water supply and the diversion of water diversion engineering functions, the requirements on the water stop structure of expansion joints in water transfer aqueducts have also been increased. The technical requirements for the operation and maintenance of hydraulic structures have also become more complicated. In order to meet the functional changes of water supply, Stop water system to transform. The South-to-North Water Diversion Project is the largest water transfer project in China at present. The use of aqueducts in the South-to-North Water Diversion Project is extensive. The water stoppage between the aqueducts has also become an important link. This paper starts with the construction of water stops between the aqueducts, .