城市轨道交通高架大跨桥梁与无缝线路的实践

PRACTICES ON ELEVATED LONG SPAN BRIDGE AND JOINTLESS WELDED RAIL FOR URBAN RAIL COMMUNICATON

城市轨道交通是从根本上缓解大城市交通紧张的一个重要手段。本文以上海建设明珠线为例，介绍了建设城市交通高架桥梁的特点及其具体措施。并重点介绍了城市轨道交通桥上以及九江长江铁路桥上铺设无缝线路的实践和经验。

The urban rail communication is an important measure for releasing thoroughly the intensive traffic in major cities.Taking the construction of Mingzhu rail line in Shanghai as example,the paper introduces the specialities of constructing elevated bridges for urban communication and its special measures.The practices and experiences of the track laying of the jointless welded rail on the elevated bridges for urban rail communication and on the Jiujiang Changjiang major bridge are also introduced in this paper.