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| 浅析"宜宾市小南门金沙江大桥"桥塌原因与修缮方案 | |
| 引用本文： | 张秀成,谢奎,任毅勇.浅析"宜宾市小南门金沙江大桥"桥塌原因与修缮方案[J].平顶山工学院学报,2002,11(2):15-17. |
| 作者姓名： | 张秀成 谢奎 任毅勇 |
| 作者单位： | 1. 平顶山工学院,河南,平顶山,467001 2. 平煤集团铁运处,河南,平顶山,467000 3. 河南省第五建筑安装工程有限公司,河南平顶山467000 |
| 摘 要： | 宜宾市小南门金沙江大桥是一座主桥为中承式劲性钢骨钢筋砼结构拱桥,该桥结构新颖、美观,是连接宜宾新老市区的交通咽喉,过桥的人流量与车流量的快速增长加大了吊杆的疲劳破坏,吊杆的锈蚀降低其承载能力,从而导致了吊杆断裂引起桥塌.通过对塌桥事故原因的分析,认为修缮方案应为更换吊杆,增加纵梁,减少"飘浮式"体系对该桥带来的影响. |
| 关 键 词： | 拱桥 吊杆 飘浮式结构 通车量 |
| 文章编号： | 1008-5769(2002)02-0015-03 |
| 修稿时间： | 2001年12月21 |
Analying the reason and renovating project of "little south door Jinsha River bridge of Yibin City"collapsing |
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| ZHANG Xiu cheng ,XIE Kui ,REN Yi yong.Analying the reason and renovating project of "little south door Jinsha River bridge of Yibin City"collapsing[J].Journal of Pingdingshan Institute of Technology,2002,11(2):15-17. | |
| Authors: | ZHANG Xiu cheng XIE Kui REN Yi yong |
| Affiliation: | ZHANG Xiu cheng 1,XIE Kui 2,REN Yi yong 3 |
| Abstract: | Little south door Jinsha River bridge of Yibin City was an arch bridge of stiff steel skeleton and steel composite construction,its construction is novel,pleasing to the eye and it was the traffic throat,connecting new city proper and old city proper of Yibin City.The magnitude of traffic flow increased the bearing of suspender,the corrision of suspender reduced bearing capacity.Thus it caused the rupture of suspender and collapse.The renavation project is changing suspender?increasing rupture,reducing the effect of floating structure. |
| Keywords: | arch bridge suspender floating structure magnitude of traffic flow renovation |
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