福州地铁临时天桥调查及设计优化

Investigation and Design Optimization of Fuzhou Metro Temporary Footbridge

地铁临时天桥是地铁施工期间为交通疏解而设置的临时设施,为了使临时天桥设计施工更加合理,通过对福州地铁1、2号线已建临时天桥展开了调查分析,确定了适用于福州地铁临时天桥的桥面净宽与经济桥型;介绍了已建人行天桥存在的典型问题,并针对这些问题提出了优化建议与措施。

Metro temporary footbridge is a temporary structure for traffic organization during metro construction, in order to make the design and construction of the temporary footbridge more reasonable, based on the investigation and analysis of the existing temporary footbridge of Fuzhou Metro line 1 and line 2, this paper determines the bridge width and economic bridge type suitable for Fuzhou Metro temporary footbridge.This paper introduces the typical problems existing in the existing footbridge, and puts forward optimization suggestions and measures for these problems.