摘要
南京长江隧道右汊桥梁主桥C60混凝土,采用聚羧酸作为添加剂,以粉煤灰为辅助胶凝材料,实现了高性能混凝土工作性能、强度、收缩裂缝等指标,满足了设计要求。
With polycarboxylic acid as additives and fly ash as supplementary cementing material, the C60 concrete used in the right-branching bridge main bridge in Nanjing Yangtze River Tunnel has perfect working performance, high strength, and good anti-shrinkage ability, thus, all the indicators meet the design requirements.
出处
《铁道建筑技术》
2009年第10期56-60,共5页
Railway Construction Technology
关键词
桥梁
高性能
混凝土
配合比
bridge
high performance
concrete mix proportion