客运专线箱梁C50高性能混凝土配合比设计与泵送施工  

Design of Mixture Ratio and Pumping of C50 HPC of Prestressed Concrete Box Beam for Passenger Dedicated Railway

作　　者：孙树[1] 

机构地区：[1]江苏省建筑科学研究院,南京210008

出　　处：《铁道建筑技术》2007年第2期10-13,共4页Railway Construction Technology

摘　　要：结合高耐久、高性能混凝土配合比的设计方法和聚羧酸系外加剂的特点,以及客运专线所处施工环境原材料的实际现状,介绍客运专线预应力混凝土箱梁C50高性能混凝土的配合比设计方法,提出了其施工中应注意的一些事项,以供参考。In light of the design methods of the mixture ratio of high performance and high durable concrete, the performance and features of PCA ,and the actual quality of raw materials in certain environment of passenger dedicated railway projects, this article introduces the mixture ratio design methods and the common construction problems in terms of C50 HPC of prestressed concrete box beam for passenger dedicated railway.

关 键 词：客运专线 配合比设计 泵送施工 高性能混凝土 外加剂 

分 类 号：U445.47[建筑科学—桥梁与隧道工程]