西陵长江大桥全焊钢箱梁大跨度悬索桥技术

All-fabricated Steel Box Beam Large-span Suspension Bridge of Xiling Yangtze River Bridge

西陵长江大桥是长江三峡水利枢纽交通工程关键项目之一 ,1993年开工建设 ,1996年建成通车 ,1997年获中国工程建设“鲁班奖” ,1999年获铁道部科技进步一等奖。该桥主跨 90 0m ,主梁为全焊钢箱加劲梁 ,分成 72个节段在工厂制造后在工地全焊拼装。本文介绍该桥梁技术特色。

Xiling Yangtze River bridge is one of the key items of the Yangtze River three gorges hydraulic junction communication project. Construction of the bridge started in 1993 and completed and open to traffic in 1996. It won the ″Chinese project construction LUBAN award″ in 1997 and the ″First class MOR scientific and technical progress award″ in 1999. The bridge has a main span of 900 m. The main beam is of all welded steel box structure with strengthening bracings. It consists of 72 segments manufactured in plant and welding on site. The technical features of the bridge are introduced in the paper.