摘要
杭州九堡大桥主桥是由钢-混凝土组合结构桥面系和钢拱结构组成的连续组合体系拱桥,跨径布置为(188+22+188+22+188)m,采用多点同步整体顶推法施工。该文介绍主桥钢-混凝土组合结构桥面系钢主纵梁的设计要点。
The main bridge of Hangzhou Jiubao Bridge is a continuous composite system arched bridge composed of steel - concrete composite structural deck system and steel arch structure.Its spans are arranged by 188+22+188+22+188 m,and are constructed by the multi-point synchronizing integral jacking method.The article introduces the design gist of the main longitudinal steel girder of the main bridge steel- concrete composite structural deck system.
出处
《城市道桥与防洪》
2011年第1期56-59,7,共4页
Urban Roads Bridges & Flood Control
关键词
组合体系拱桥
组合结构桥面系
顶推施工
钢主纵梁
临时撑杆
桥梁设计
composite system arched bridge
composite structural deck system
jacking construction
main longitudinal steel girder
temporary stay bar
bridge design
