龙穴南水道斜拉桥钢箱梁设计研究
Design and Research of Steel Box Girder in Longxuenan Waterway Cable Stayed Bridge
胡方杰1
作者信息
- 1. 铁道第四勘察设计院集团有限公司桥梁院桥研处,湖北武汉430017
- 折叠
摘要
龙穴南水道特大桥为双塔平行索面钢-混混合梁斜拉桥,跨径组成为(60+60+70+448+70+60+60)m。钢主梁采用双边梁钢箱结构,正交异性钢桥面板。对钢箱梁剪力滞,桥面系二、三体系应力及横隔板局部应力等问题进行研究,确保结构受力安全可靠,通过数值分析验证设计的可靠性。此设计技术先进、安全可靠、经济合理,其构造形式及分析方法可供类似结构借鉴。
Abstract
Longxuenan Waterway Bridge is a double-tower double-sided cable stayed bridge with spans of60+60+70+448+70+60+60m. The steel girder is of bilateral steel box beam with system orthotropic steel bridge deck. Suchissues as shear lags, the second system stre
关键词
斜拉桥/钢箱梁/剪力滞/局部应力Key words
Cable stayed bridge/Steel box girder/Shear lags/Local stress引用本文复制引用
出版年
2018