| 日本铁路桥梁抗震设计中延性率的评价方法 |
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| 引用本文： | 向上.日本铁路桥梁抗震设计中延性率的评价方法[J].都市快轨交通,2005,18(6):50--53. |
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| 作者姓名： | 向上 |
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| 作者单位： | 北京城建设计研究总院,北京,100037 |
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| 摘 要： | 介绍日本现行铁路高架桥设计采用的构件延性率计算方法，指出在结构延性抗震设计中，构件以及结构的延性能力计算结果是影响结构抗震性能评价的重要参数，铁路高架桥梁多采用单层或多层刚架，合理评价它的变形能力是桥梁抗震设计所面临的重要课题。
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| 关 键 词： | 抗震设计 延性 延性率 响应塑性率 初始屈服状态 极限状态 |
| 收稿时间： | 2005-06-10 |
| 修稿时间： | 2005-08-30 |
Evaluation Methods of Ductility Rate in Quakeproof Design of Railway Bridges in Japan |
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| Xiang Shang.Evaluation Methods of Ductility Rate in Quakeproof Design of Railway Bridges in Japan[J].Urban Rapid Rail Transit,2005,18(6):50--53. |
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| Authors: | Xiang Shang |
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| Abstract: | The calculation methods of ductility rate of frame member in the design of elevated railway bridges in Japan are introduced. The calculation results of ductility of frame member and structure are important parameters which influence the evaluation of quake- proof structure in the design of ductile and quake proof structures. Many elevated railway bridges employ monohyer or multi - layer rigid frames, and the reasonable evaluation of the frame is an important subject in quakeproof design of railway bridges. |
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| Keywords: | structure quakeproof design ductility ductility rate response ductility factor first yielding state ultimate limit state |
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