清水混凝土低引气型聚羧酸系减水剂的研究与应用  

Research on fair-faced concrete with low air entrained poly-carboxylic superplasticizer and its application

作　　者：牟廷敏 冯中军 丁庆军[4] 聂传振[4] 邓最亮 郑柏存 

机构地区：[1]四川交通规划设计院,四川成都610017 [2]上海三瑞高分子材料有限公司,上海200237 [3]上海建筑外加剂工程技术研究中心,上海200237 [4]武汉理工大学,湖北武汉430070

出　　处：《混凝土》2014年第8期140-143,共4页Concrete

摘　　要：依托成都市二环路改造工程清水混凝土项目,研究了聚羧酸系减水剂的主链结构、侧链结构、侧链密度、重均分子量等分子结构特征对混凝土应用性能的影响,开发了一种适用于清水混凝土施工的低引气高工作性的聚羧酸系减水剂,并在成都二环清水混凝土中获得应用。Based on Chengdu city two loop transformation project fair-faced concrete project,effects of backbone structure,side chain structure,the side chain density,weight average molecular weight and other molecular structure of polycarboxylate superplasticizer on the performance of concrete were studied,a kind of polycarboxylate superplasticizer with low air entraining and high performance that is suitable for the construction of fair-faced concrete was developed ,which was applied in Chengdu city two loop transformation project.

关 键 词：聚羧酸 减水剂 清水混凝土 低含气量 成都二环 

分 类 号：TU528.042.2[建筑科学—建筑技术科学]