| 公路桥梁抗震设计的设防标准研究 |
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| 引用本文： | 李龙安,何友娣,屈爱平.公路桥梁抗震设计的设防标准研究[J].桥梁建设,2006(Z2):135-139. |
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| 作者姓名： | 李龙安 何友娣 屈爱平 |
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| 作者单位： | 中铁大桥勘测设计院有限公司,湖北,武汉,430050 |
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| 摘 要： | 对国内外的桥梁抗震规范进行比较,通过对抗震桥梁使用功能分类、抗震桥梁重要性等因素进行分析,从桥梁结构抗震设防的合理安全度的原则(经济性与安全性合理平衡的原则)出发,提出了公路桥梁抗震设防标准(抗震设计类别),该标准为公路桥梁的抗震设计提供了较合理的设防依据,对公路桥梁抗震设计规范的修订有重要的指导意义。
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| 关 键 词： | 公路桥梁 使用功能 安全度 抗震设防 标准 |
| 文章编号： | 1003-4722(2006)S2-0135-05 |
| 修稿时间： | 2006年10月11 |
Study of Protection Criteria for Seismic Design of Highway Bridges |
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| LI Long-an,HE You-di,QU Ai-ping.Study of Protection Criteria for Seismic Design of Highway Bridges[J].Bridge Construction,2006(Z2):135-139. |
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| Authors: | LI Long-an HE You-di QU Ai-ping |
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| Abstract: | The codes for seismic design of bridges at home and abroad are compared.Through categorization of the service functions and analysis of the importance of seismic resistant bridges,the protection criteria(seismic design categories) for seismic design of highway bridges are put forward on the principle(rational balance between economy and safety) of the rational safety degree of seismic protection for bridge structures.The criteria in the paper provide fairly rational bases of the protection for the seismic design of the highway bridges,and are also of important guidance in revising codes for the seismic design of the bridges. |
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| Keywords: | highway bridge service function safety degree seismic protection criterion |
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