冻融破坏是水工混凝土建筑物的主要威胁之一。冻融破坏主要表现为冻胀开裂和冻融剥蚀两种形式。严寒地区不少水工建筑物建成后不过十年就需要大修,问题还不能彻底解决。即使在温和地区也还可以看到个别冻融破坏现象。但只要充分认识它的危害,了解其破坏机理,采取正确 Freeze-thaw damage is one of the major threats to hydraulic concrete buildings. Freeze-thaw damage is mainly manifested as frost heave cracking and freeze-thaw erosion. Many hydraulic structures in cold areas need to be overhauled after ten years of construction. The problem cannot be completely solved. Even in temperate areas, individual freeze-thaw damage can be seen. But as long as you fully understand its hazards, understand its damage mechanism, take the correct