摘要
武广客运专线全长1068 km,桥隧占线路总长的66.7%。桥梁以等跨布置的32 m双线整孔预应力混凝土简支梁为主。箱梁采用高性能混凝土整孔预制,在预制梁场箱梁预制经过施工准备、模板施工、混凝土施工、预应力施工等主要工艺,箱梁预制质量良好。
The total length of Wuhan-Guangzhou Passenger Dedicated Railway is 1 068 km,of which the length of the bridges and tunnels on the railway accounts for 66.7%.For the bridges,the double-track full-span simply-supported prestressed concrete(PC) box girders arranged in 32 m equal spans are the major structural type.The girders were precast with high performance concrete in each full span in precast yards through the principal working procedures of the construction preparation,formwork construction,concrete construction,prestressing construction and the quality of precasting of the girders in such procedures was good.
出处
《世界桥梁》
北大核心
2010年第4期28-31,共4页
World Bridges
