钢管混凝土拱桥拱肋线形控制技术

湘潭湘江四大桥是世界上最大跨度的斜拉飞燕式系杆钢管混凝土拱桥,该桥结构复杂,技术含量高、施工难度大。钢管拱肋线形控制是本桥施工的关键技术之一,本文介绍了湘潭湘江四大桥钢管拱肋从制作到管内混凝土灌注的钢管拱肋线形控制技术。

Linear Control Technology of Arched Rib of Arch Bridge of Steel Pipe Concrete

fourth bridge on Xiangjiang in Xiangtan is the steel pipe concrete arch bridge with the largest span in the world. The structure of the bridge is difficult and with high technology content. The construction of the bridge is very much difficult. The linear control of arched rib of steel pipe is one of the key technologies for bridge construction. This paper presents the linear control technologies of arched rib of steel pipe through manufacturing to concrete pouring into the pipe.