钢桁拱肋滑移上船浮运施工技术在新光大桥的应用

Application of Steel Truss Arch Rib Boat Floating Sliding Construction Technology in Xinguang Bridge

随着我国跨江河桥梁建设数量的增加,为了减少对江河航道运输的影响,缩短水上作业工期,越来越多地采用到大型预制构件。以广州新光大桥为例,介绍了其主钢桁拱肋中段的岸上制作及其通过驳船浮运到桥位的思路、依据及技术要点,可供同类工程参考。

In recent years, more and more bridges across the big rivers have been built in China. It affects the transportation on the river. We should cut down the duration of construction, and use some big precast con- crete units. Guangzhou Xinguang Bridge, for example in this paper, the author introduces its construction ideas, basis and technical key points about how the middle of the main steel trussed arch made on the bank and how to use the barge to float them to the correct position . It can provide reference for other similar projects.