大跨度钢拱架的设计、拼装与卸落

The Method of Designing, Assembling and Dismounting a Large span steel Centering for Bridge Arch

本文以鸳鸯大桥为实例,介绍了利用T型钢塔架杆件、工字钢和旧轨拼装成净跨74m、高24.4m钢拱架的设计和施工方法.

In this paper, the Yuanyang Bridge,whose construction employed a steel centering made of used rails and T-and I-steel bars, servesas an example to illustrate the method of designing and constructing a steel centering for the arch with a 74m span and a 24.4m height.