天津乙烯工程大跨度管廊过河钢拱桥设计

THE DESIGN OF LARGE SPAN STEEL ARCH BRIDGE OVER A RIVER FOR SUPPORTING THE PIPELINE OF ETHYLENE ENGINEERING IN TIANJIN

本文通过天津乙烯工程大跨度管廊过河钢拱桥设计的具体介绍 ,探讨了钢拱桥具体结构尺寸的选取 ,结构的合理布置 ,杆件的设计及重要节点的技术处理过程 .对钢拱桥平面内整体稳定和分肢的稳定分析及平面外整体稳定构造措施 。

This paper detailed expounds the design of large span steel arch bridge over a river for supporting the pipeline of the ethylene engineering in Tianjin,explores the choice of its size,the rational structural arrangement,the design of members as well as the technical process of structural key joint.It analyzes the plane integral stability and the single limb stability,puts forward the construction measures of integral stability out of the plan.This design of the structure can be reference for other similar...