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水利工程施工是通过兴修各种保水和疏水建筑,来合理地调控区域、空间的水资源达到更好利用效果,围堰是水利工程建设中重要的基础,目的和意义是为保障水利建设任务,防止流水进入建筑物建设位置,以便在开挖基坑围堰之中排水,修筑主要功能建筑物等。除一部分围堰作为主要建筑物的部分外,大多都在用完后拆除,以此起到保护相关水利建筑设施的作用。
Water conservancy construction is through the construction of various water retention and hydrophobic construction, to reasonably control regional and space water resources to achieve better utilization effect, cofferdam is an important foundation for water conservancy project construction, the purpose and significance is to protect water conservancy construction tasks, To prevent water from entering the building construction site, in order to drain the excavation of cofferdam, the construction of major functional buildings. Most of the cofferdam except for part of the main building is removed after use, thus protecting the relevant water conservancy facilities.