重庆菜园坝长江大桥Y型刚构高性能混凝土试验研究  

The experimental study on High performance concrete for Y-type rigid frame of Caiyuanba Yangtze River Brige in Chongqing

作　　者：刘先锋[1] 杨长辉[2] 楼梁伟[2] 程玉光 

机构地区：[1]重庆科技学院建筑工程学院,重庆400042 [2]重庆大学材料科学与工程学院,重庆400045 [3]厦门建筑科学研究院,福建厦门361004

出　　处：《混凝土》2006年第11期58-62,68,共6页Concrete

摘　　要：重庆菜园坝长江大桥主桥采用C60高性能预应力钢筋混凝土Y型刚构。该Y型刚构为变截面结构,配筋密集,混凝土强度等级高、体积大、输送距离长。为满足设计和施工要求,试验采用重庆地方产原材料,进行Y型刚构混凝土配合比设计和优化,提出了推荐用于现场施工的配合比参数。Main brige of caiyuanba Yangtze River brige in chongqing is Y-type rigid frame of C60 high performance prestressed reinforced concrete. The Y-type rigid frame has diverse section and high percentage of reinforcement, moreover, the concrete is required high strength, big volume, and long distance for pumping. In order to meet the needs of design and construction, the paper introduces the design and optimization of concrete mix proportion for Y-type rigid frame with local material of Chongqing and summarizes the mix proportion parameter used for construction site.

关 键 词：Y型刚构 混凝土 配合比 

分 类 号：TU528.52[建筑科学—建筑技术科学]