拉萨河特大桥钢管拱架设技术  

Erection Techniques for Steel Tube Arches of Lhasa River Bridge

作　　者：刘幸福 

机构地区：[1]中铁大桥局集团青藏铁路工程指挥部,西藏拉萨580000

出　　处：《桥梁建设》2005年第5期40-42,共3页Bridge Construction

摘　　要：拉萨河特大桥钢管拱采用在工厂预制,并利用主梁的施工支架未拆除前,在梁面上拼装架拱支架进行架设的施工方法,介绍施工过程中支架布置,钢管拱节段制造、安装及施工观测的主要内容。The construction method for the steel tube arches of Lhasa River Bridge is to fabricate the arches in shop and erect the arches on scaffolding that is assembled on continuous girder before the scaffolding for construction of the girder is removed. This paper describes the layout of the scaffolding for erection of the arches, fabrication, installation and observation of the arch segments in course of the construction of the Bridge.

关 键 词：钢管拱 架设 桥梁施工 

分 类 号：U448.22[建筑科学—桥梁与隧道工程] U445.35[交通运输工程—道路与铁道工程]