摘要
通过除冰盐对寒区混凝土的早期破坏机理及影响因素的探讨,提出了防治混凝土早期破坏的技术措施。掺入引气剂和降低水灰比是提高混凝土抗盐冻剥蚀的最有效方法;磨细矿渣能够抑制除冰盐引起的碱骨料反应;合理设置排水系统、密实混凝土和提高保护层厚度是保护钢筋的有效措施。
The paper present the techno-measure of resisting early deterioration of concrete, resorting to the discussion on early detrioration mechanism and influencing factors of the deicing salt on concrete in cold region. Mixing air entraining agents and reducing water cement ratio were the most effective solution to improve resistance deicing salt scaling of concrete. Blast furnace slag can suppress alkali aggreate reaction caused by deicing salt. Setting up a rational drainage system, compacting concrete and improving concrete cover thickness were effective measures to protect bars.
出处
《低温建筑技术》
2005年第4期13-15,共3页
Low Temperature Architecture Technology
基金
东北林业大学工程设计监理科研项目
关键词
除冰盐
破坏机理
复盐
防治措施
deicing salt
mechnism of deterioration
complex salt
prevent practice
