斜交河道的大跨度钢箱梁悬臂拼装技术  

CantileverAssembly Technology for Long Span Steel Box Girder in Skew River

作　　者：连海建 LIAN Haijian(Shanghai Foudation Engineering Group Co.,Ltd.,Shanghai 200002,China;Shanghai Prefabricated and Assembled Bridge Construction Industry Technological Innovation Strategic Alliance,Shanghai 200000,China)

机构地区：[1]上海市基础工程集团有限公司,上海200002 [2]上海预制拼装桥梁建造产业技术创新战略联盟,上海200000

出　　处：《建筑施工》2020年第1期107-109,共3页Building Construction

摘　　要：北虹路立交是上海市重大工程之一,它造型复杂、走向多变、施工困难,其中有一段跨河大桥斜跨苏州河的夹角仅30°,为跨径153 m的大型钢箱梁结构。在周边交通、施工用地、航道通行等诸多限制条件下,经过反复研究与模拟分析,推出了一套适用于大型钢结构无障碍吊装施工的悬臂拼装技术,有效地实现了交通不中断、航道不断航、一次安装成功的施工目标,为桥梁施工技术的创新提供了一种新思路。巳eihong Road interchange is one of the major projects in Shanghai.It has complex configuration,changeable direction and difficult construction.O ne section of the river crossing bridge is a 153 m span steel box girder structure with an included angle of only 30°across Suzhou River.According to the conditions of many restrictions such as surrounding traffic,construction land,channel traffic,etc.,and based on the repeated research and simulation analysis,a set of cantilever assembly technology suitable for the barrier-free hoisting construction of large steel structure is put forward,which effectively achieves the construction goals of no interruption of traffic,no interruption of navigation channel and one-time successful installation,and provides a n e w idea for the innovation of bridge construction technology.

关 键 词：立交桥施工 大跨度 钢箱梁 斜跨 悬臂拼装 

分 类 号：U443.32[建筑科学—桥梁与隧道工程]