摘要
宁波明州大桥是跨甬江的重要过江桥梁工程,为双肢中承式钢箱系杆提篮拱桥,主桥跨径为(100+450+100)m。拱座采用钢-混凝土组合结构,上、下肢拱肋均为全焊钢箱形截面,加劲梁采用正交异性桥面板全焊钢箱梁,主桥两端横梁之间布置2组水平拉索。钢拱座、边跨拱肋及加劲梁采用支架法安装,中跨拱肋、加劲梁采用400 t缆索吊安装。主要介绍大跨径双肢钢箱系杆拱桥关键部位设计与施工。
The Mingzhou Bridge in Ningbo is an important bridge crossing the Yongjiang River.The bridge is a double-leg half-through steel box basket handle tied arch bridge with span arrangement for the main bridge being(100+450+100) m.The arch seats of the bridge are the steel and concrete composite structures.The arch ribs of the upper and lower legs are the fully welded steel box sections and the stiffening girder is the fully welded steel box girder topped with orthotropic deck plate.In between the cross beams at...
出处
《世界桥梁》
北大核心
2010年第2期29-32,共4页
World Bridges
关键词
明州大桥
系杆拱桥
桥梁设计
桥梁施工
Mingzhou Bridge
tied arch bridge
bridge design
bridge construction
