225m下承式拱桥方案分析  

Analysis of A Through Arch Bridge with A Main Span of 225 m

作　　者：黄峥 

机构地区：[1]上海市政设计研究总院综合交通规划设计院,上海200092

出　　处：《中国市政工程》2007年第A02期13-15,共3页China Municipal Engineering

摘　　要：干渠大桥桥型方案是3榀拱肋、主跨225 m的下承式系杆拱桥。介绍了该方案的横向布置、总体计算、钢管混凝土拱肋的承载力、拱脚局部应力分析和全桥稳定分析。The proposed Canal Bridge is a through arch bridge with 3 arches and a main span of 225 m. Introduced hereby is the lateral layout, overall calculation and the analysis of the bearing capacity of the concrete-filled steel tube arch ribs, the local stress of the arch block and the overall stability of the bridge.

关 键 词：下承式拱桥 拱肋承载力 拱脚局部应力 全桥稳定分析 

分 类 号：U448.22[建筑科学—桥梁与隧道工程]