镇胜公路北盘江大桥钢桁梁架设施工过程分析  

Construction Sequence Analysis of Steel Truss Girder Erection of Beipan River Bridge at ZhenSheng Highway

作　　者：曹春明[1] 易伦雄[1] 王碧波[1] 

机构地区：[1]中铁大桥勘测设计院集团有限公司,武汉430050

出　　处：《交通科技》2014年第2期61-64,共4页Transportation Science & Technology

摘　　要：针对北盘江大桥桥址处复杂的建桥条件和峡谷地区特殊的风环境,通过研究比选提出了采用"上弦刚接,下弦放松"的施工期钢桁梁连接方式,论述了该桥钢桁梁架设施工方案的确定过程,以及架设方案的计算与分析。Due to the complicated construction conditions of the Beipan river bridge which located at canyon area with special wind environment.The upper chord rigid,lower chord relax steel truss girder connection mode during the construction is put forward through research and comparison.The construction scheme and analysis of the steel truss girder erection is investigated in this paper.

关 键 词：悬索桥 钢桁梁架设 节段连接 

分 类 号：U448.13[建筑科学—桥梁与隧道工程]