芜湖长江大桥施工新技术

New Techniques in Construction of Wuhu Changjiang River Bridge

芜湖长江大桥是一座公铁两用的钢桁结合梁桥 ,其主桥为主跨 31 2 m的斜拉桥 ,结构新颖。施工中采用了一系列新技术、新工艺。针对工程实践 ,简要介绍芜湖长江大桥的施工组织 ,深水基础施工工艺 ,主塔墩施工方法 ,桥面板的预制、存放、运输。

Wuhu Changjiang River Bridge is a rail\|cum\|road bridge composed of steel truss girder and concrete slabs. The bridge proper is a cable\|stayed bridge with a main span of 312 m and it is quite structurally new. In construction of the bridge, numerous new techniques and workmanship are applied. In this paper, construction organization of the overall bridge, workmanship of deep\|water foundation construction, construction methods for pylons, precasting, storage, transportation and installation of deck slabs, and erection techniques of long\|span continuous steel truss girder and cable\|stayed bridge are presented.