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文章分析提高混凝土气密性的机理及影响混凝土气密性的诸多因素。介绍了气密性混凝土的配合设计试验及检测方法,并具体结合四川汉源洪福隧道的工程实践介绍了其设计配合比主要方法及施工情况。
The paper analyzes the mechanism of improving the airtightness of concrete and many factors that affect the airtightness of concrete. The design and test methods of airtight concrete are introduced, and the main methods and construction of the design mix are introduced based on the practice of Hok Fu Tunnel in Hanyuan, Sichuan Province.