改善混凝土抗渗及抗冻性能的研究  

RESEARCH ON IMPROVEMENT OF THE CAPABILITY OF PERMEABILITY AND FROST-RESISTANT OF CONCRETE

作　　者：石明霞[1] 

机构地区：[1]中南大学土木建筑学院,长沙410075

出　　处：《建筑技术开发》2009年第3期16-17,43,共3页Building Technology Development

摘　　要：研究了空白混凝土、单掺FA、单掺SF及FA与SF复合的混凝土在水胶比为0.35,龄期为28 d时抗冻和冻融前后抗氯离子渗透的性能。试验结果表明:矿物掺合料对混凝土抗冻及抗氯离子渗透的性能均有较大影响;混凝土抗冻性与抗氯离子渗透性有一定相关性;适量的SF与FA复合是获得抗氯离子渗透及抗冻性能较好的混凝土的有效途径之一。The capability of chloride permeability and frost - resistant of concrete, concrete with FA, concrete with SF and concrete with SF and FA , in 28 days as well water binder rate 0.35, was studied. It is showed that the mineral admixture can take much influence on the capability of chloride permeability and frost - resistant. There are some relationships between chloride permeability and frost - resistant. Concrete with proper FA and SF is one of the best ways to improve capability of chloride permeability and frost - resistant of concrete.

关 键 词：混凝土 矿物掺合料 抗冻 氯离子渗透 

分 类 号：TU528[建筑科学—建筑技术科学]