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混凝土裂缝问题是一个普遍存在而又难于解决的工程实际问题,在水库除险加固工程中,大多数存在溢洪道的拆除重建,而新建溢洪道混凝土闸墩的防裂成了首要问题。在闸墩混凝土浇筑过程中设置混凝土膨胀加强带成了解决大体积混凝土裂缝的新工艺。
Concrete crack problem is a ubiquitous and difficult to solve practical problems in the reservoir reinforcement project, most of the spillway demolition reconstruction, and the new spillway concrete pier cracks become the primary problem. In the pier pier concrete pouring process to set the expansion of concrete reinforcement has become a new solution to large-scale concrete cracks.