全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

自锚式悬索与斜拉组合体系桥梁使用阶段模型试验

, PP. 46-50

Keywords: 桥梁工程,自锚式悬索,斜拉,组合结构,模型试验,空间杆系,有限元模型

Full-Text   Cite this paper   Add to My Lib

Abstract:

为充分了解自锚式悬索与斜拉组合体系桥梁使用阶段的受力性能,以实桥为工程依托,基于相似理论,建立了缩尺比例为1∶20的全桥试验模型,并进行了使用阶段模型试验。分析了自锚式悬索与斜拉组合体系桥梁使用阶段主梁的变形规律、主缆的线形变化特征以及主塔的受力特性。研究结果表明使用阶段实测模型主塔最大应力增量为2.08MPa;斜拉区受力变化对悬索区结构影响明显;全桥对称加载主跨跨中挠度比主跨对称加载减小了14.3%。

References

[1]  Yuzuru S,Shinichi S,Katsutoshi M,et al.Construction of Nagisa bridge hybrid system of cable?stayed PC bridge and steel suspension bridge[J].Technical Memorandum of Public Works Research Institute,2003,3920:53?60.
[2]  Powers T,Price K,He E,et al.Reconstruction of north avenue bridge over the Chicago river,Chicago,Illinois[C]// Transportation Research Board.6th International Bridge Engineering Conference,Washington DC:Transportation Research Board,2005:459?464.
[3]  李德寅,王邦楣,林亚超.结构模型实验[M].北京:科学出版社,1996.
[4]  谭明鹏,王荣辉,黄永辉,等.刚性悬索加劲钢桁架梁桥特殊节点模型试验[J].中国公路学报,2008,21(1):47?52. TAN Ming?peng,WANG Rong?hui,HUANG Yong?hui,et al.Special joint model test of stiff suspension reinforced steel truss bridge[J].China Journal of Highway and Transport,2008,21(1):47?52.
[5]  张永健,黄平明,狄谨,等.波形钢腹板组合箱梁自振特性与试验研究[J].交通运输工程学报,2008,8(5):76?80. ZHANG Yong?jian,HUANG Ping?ming,DI Jin,et al.Free vibration characteristics and experiment study of composite box girder with corrugated steel webs[J].Journal of Traffic and Transportation Engineering,2008,8(5):76?80.
[6]  陈星烨,马晓燕,宋建中.大型结构试验模型相似理论分析与推导[J].长沙交通学院学报,2004,20(1):11?14. CHEN Xing?ye,MA Xiao?yan,SONG Jian?zhong.The comparability analysis and deduction of a large structure test model[J].Journal of Changsha Communications University,2004,20(1):11?14.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133