南宁永和大桥施工  

Construction of Yonghe Bridge in Nanning

作　　者：谢希凡[1] 郑全跃[2] 谭立心[1] 

机构地区：[1]广东省长大公路工程有限公司一公司,广东番禺510000 [2]西南交通大学,四川成都610031

出　　处：《桥梁建设》2004年第6期63-66,共4页Bridge Construction

摘　　要：南宁永和大桥主桥为变桁高下承式钢管混凝土有推力无铰拱结构,其沉井结构大,拱肋跨度长、拱肋节段重,施工方法难。主要介绍该桥的关键施工工艺。The main bridge of Yonghe Bridge in Nanning is a hingeless, thrust and through arch structure of concrete-filled steel tubes with variable truss height. The construction of the Bridge is quite challenging because of its large structural size open caisson, long-span arch rib and heavy arch rib segment. In this paper, the key construction technology for the Bridge is mainly dealt with.

关 键 词：拱桥 钢管混凝土结构 沉井基础 桥梁施工 

分 类 号：U448.22[建筑科学—桥梁与隧道工程]