| 不同主梁纵向约束方式对大跨度斜拉桥地震行为的影响 |
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| 引用本文： | 郝超,刘民,强士中.不同主梁纵向约束方式对大跨度斜拉桥地震行为的影响[J].重庆交通大学学报(自然科学版),1999,18(2):13-19. |
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| 作者姓名： | 郝超 刘民 强士中 |
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| 作者单位： | 1. 西南交通大学桥梁及结构工程系,成都,610031,中国
2. 加利福尼亚大学洛杉矶分校土木及环境工程系,洛杉矶,90095-1593,美国 |
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| 摘 要： | 以武汉白沙洲长江大桥这座主跨６１８ｍ斜拉桥为例，研究了大跨度斜拉桥这种长大柔性结构物在地震作用下的动力行为，侧重于讨论不同主梁纵向约束方式对斜拉桥地震响应的影响，得出了一些有益的结论．
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| 关 键 词： | 斜拉桥 地震响应 主梁约束方式 弹性索 |
| 修稿时间： | 1998－07－18 |
Effects of Different Longitudinal Restraint Conditions in Main Girder on the Seismic Behavior of Long-span Cable-stayed Bridges |
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| Hao Chao,Liu Min,Qiang Shizhong.Effects of Different Longitudinal Restraint Conditions in Main Girder on the Seismic Behavior of Long-span Cable-stayed Bridges[J].Journal of Chongqing Jiaotong University,1999,18(2):13-19. |
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| Authors: | Hao Chao Liu Min Qiang Shizhong |
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| Abstract: | The dynamic behavior of
long-span cable-stayed bridges subjected to seismic excitations is systematically
investigated,based on a case study for Wuhan White Shoal Cable-stayed Bridge over Yangtse
River,with particular emphasis on the effects of different longitudinal restraint
conditions in main girder on the seismic performance of this bridge.Finally,several
conclusions are drawn from the above study. |
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| Keywords: | cable stayed bridge seismic response restraint conditions damper cable |
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