整体顶升改造钢管拱中承式人行天桥实例

A Case of a Steel Arch Half-through Pedestrian Bridge Reconstructed by Integral Jacking

厦门市仙岳路上的一座单跨43m的钢管拱中承式人行天桥,要求在不中断桥下交通的条件下,进行整体顶升改造。介绍了改造工作流程、所拟定的关键措施、改造方案的理论分析结论、具体阐述了实施顶升的过程。这项成功实例可为类似改造工程提供借鉴。

There is a steel arch half-through pedestrian bridge with a single span of 43 m over Xianyue Rd. in Xiamen. It needs integral jacking reconstruction under the normal traffic condition. The author introduced the reconstruction process, key measures, theory analysis result, moreover, the project process was put forward in details. It could provide reference for the similar projects.