除冰盐对碱骨料反应的影响研究  

STUDY ON THE INFLUENCE OF DE-ICING SALT ON ALKALI-AGGREGATE REACTION

作　　者：单炜[1] 张玉富[1] 柳俊哲[1] 

机构地区：[1]东北林业大学土木工程学院,哈尔滨150040

出　　处：《低温建筑技术》2004年第6期1-2,共2页Low Temperature Architecture Technology

基　　金：东北林业大学设计监理基金资助项目

摘　　要：探讨除冰盐及磨细矿渣对含活性骨料砂浆碱骨料反应的影响 ,并对除冰盐的氯离子渗透状况进行了分析。试验结果表明 ,从外部渗透的氯化钠水溶液加速碱骨料反应引起的砂浆膨胀 ,氯化钠水溶液浓度越高 ,膨胀率越大。In this paper,the influence of de-icing salt and ground slag on the alkali-aggregate reaction of mortar was investigated.In the mean time,the concetration of chloride in mortar that is ingredient of de-icing salt was analyzed also.It was found that the alkali-silica reaction in the mortar was accelerated by the penetration of sodium chloride.The expansion increases with increasing concentration of chloride solution.Ground granulated blast-furnace slag can suppress the alkali-aggregate reaction.

关 键 词：碱骨料反应 除冰盐 磨细矿渣 砂浆 氯离子渗透 活性骨料 膨胀率 加速 试验结果 

分 类 号：TU528[建筑科学—建筑技术科学] TU37