混凝土冻害机理及对策柳俊哲，尤志洁，李玉顺（黑龙江省寒地建筑研究院，哈尔滨１５００８０）（东北林业大学土木系）混凝土早期结构受到破坏的原因一直是人们关心的问题。在寒冷地区，冻害引起的混凝土早期结构破坏尤为严重。冻害是由于混凝土中含有的水结冰而引起的，... Freezing damage mechanism and countermeasures of concrete Liu Junzhe, You Zhijie, Li Yushun (Heilongjiang Institute of Cold Construction, Harbin 150080) (Department of Civil Engineering, Northeast Forestry University) The reason why the early structure of concrete was damaged has always been a concern. In cold regions, the early structural damage caused by frost damage is particularly serious. Freezing damage is caused by the freezing of water contained in the concrete,...