| 矮塔斜拉桥研究的新进展 |
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| 引用本文： | 陈从春,周海智,肖汝诚.矮塔斜拉桥研究的新进展[J].世界桥梁,2006(1):70-73,80. |
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| 作者姓名： | 陈从春 周海智 肖汝诚 |
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| 作者单位： | 1. 同济大学桥梁工程系,上海,200092
2. 同济大学建筑设计研究院,上海,200092 |
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| 摘 要： | 简要叙述矮塔斜拉桥在国内外的应用及研究状况,讨论该种桥型的中文和英文关键词,提出索梁恒载比、索梁活载比和名义刚度的概念,并对这种桥型进行界定,试图揭示这类桥梁的力学本质,最后对该种桥型的发展作了展望。
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| 关 键 词： | 矮塔斜拉桥 应力幅 索梁恒载比 索梁活载比 名义刚度 |
| 文章编号： | 1671-7767（2006）01-0070-04 |
| 收稿时间： | 2005-11-22 |
| 修稿时间： | 2005年11月22 |
Recent Research Advancement of Extradosed Cable-Stayed Bridge |
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| CHEN Cong-chun,ZHOU Hai-zhi,XIAO RU-cheng.Recent Research Advancement of Extradosed Cable-Stayed Bridge[J].World Bridges,2006(1):70-73,80. |
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| Authors: | CHEN Cong-chun ZHOU Hai-zhi XIAO RU-cheng |
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| Abstract: | The current application and research of extradosed cable-stayed bridges at home and abroad are briefly depicted.The keywords of the type of the bridge in Chinese and English are discussed.Three concepts,such as the dead,live load ratio between cable and girder,and the nominal rigidity of the bridge,are provided,and the bridge is defined according to its structural type in order to reveal its mechanical essence.Eventually,the future development trend of the bridge is prospected. |
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| Keywords: | extradosed cable-stayed bridge stress range dead load ratio between cable and girder live load ratio between cable and girder nominal rigidity |
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