补偿收缩混凝土与膨胀加强带在超长混凝土结构中的应用  

The Usage of Shrinkage-Composting Concrete and Expansion Reinforcing Band in Overlong Concrete Structure

作　　者：王金勇[1] 

机构地区：[1]南通华新建工集团有限公司,江苏南通226000

出　　处：《江苏建筑》2012年第1期70-71,95,共3页Jiangsu Construction

摘　　要：结合京沪高铁南京南站北广场,从超长无缝施工技术,补偿收缩混凝土的配合比设计及其施工与养护控制3个方面论述了补偿收缩混凝土应用注意要点。实际工程证明补偿收缩混凝土在良好合理的使用条件下可以有效抑制超长混凝土结构的开裂问题。Technical points for the application of shrinkage-composting concrete in Nanjing south railway station of Beijing-Shanghai High-speed railway were discussed in this paper,based on seamless construction technology,mixture proportion,proper placing and curing methods.This project attests that shrinkage-composting concrete can decrease cracking risk of concrete with proper using technology.

关 键 词：超长无缝施工 补偿收缩混凝土 养护 膨胀剂 

分 类 号：TU528.55[建筑科学—建筑技术科学]