| 缆索承重桥的体系比选 |
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| 引用本文： | 肖汝诚,姜洋,项海帆.缆索承重桥的体系比选[J].同济大学学报(自然科学版),2013,41(2):179-185. |
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| 作者姓名： | 肖汝诚 姜洋 项海帆 |
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| 作者单位： | 同济大学土木工程学院,上海,200092 |
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| 基金项目： | 国家“八六三”高技术研究发展计划(2006AA11Z120) |
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| 摘 要： | 从结构体系受力特点出发,将斜拉桥和悬索桥与其他各种双塔三跨缆索承重桥进行对比分析,并探讨在面对隧道竞争的情况下,不同跨径范围内结构体系的合理选择；比较了各种多塔缆索承重体系桥梁的力学与经济性能.分析表明,对于双塔三跨的缆索承重桥,主跨小于1100 m时,优先选择斜拉桥体系；超过1100 m时,悬索桥将面对其余缆索体系及隧道的竞争,可考虑锚碇和基础处水深及其他因素比较确定.
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| 关 键 词： | 缆索承重桥 悬索桥 斜拉桥 适用跨径 体系选择 |
| 收稿时间： | 1/9/2012 12:00:00 AM |
| 修稿时间： | 2012/10/19 0:00:00 |
Comparison between structural systems in cable supported bridges |
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| Xiao Rucheng,Jiang Yang and Xiang Haifan.Comparison between structural systems in cable supported bridges[J].Journal of Tongji University(Natural Science),2013,41(2):179-185. |
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| Authors: | Xiao Rucheng Jiang Yang and Xiang Haifan |
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| Institution: | College of Civil Engineering, Tongji University, Shanghai 200092, China;College of Civil Engineering, Tongji University, Shanghai 200092, China;College of Civil Engineering, Tongji University, Shanghai 200092, China |
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| Abstract: | Based on the force characteristics of structural system, a comparative analysis is made of the cable stayed bridge, suspension bridge and two tower three span cable supported bridges. In the face of the competition from tunnels, a reasonable selection of structural system within different spans is discussed. Finally, the mechanics and economic performances of multi span cable supported bridges are compared. For two tower three span cable supported bridges, the analysis indicates that cable stayed bridge should be adopted within 1 100 m main span preferentially. When the span exceeds 1 100 m, the suspension bridge is facing the competition from both the cable supported bridges and tunnels. Suspension bridges can be adopted when the water depth of anchor, foundation and other factor are appropriate. |
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| Keywords: | cable supported bridges suspension bridges cable stayed bridges applicable span structural system selection |
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