| 地震动持续时间在抗震设计中的应用 |
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| 引用本文： | 陶能付,章在墉.地震动持续时间在抗震设计中的应用[J].同济大学学报(自然科学版),1996,24(4):374-379. |
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| 作者姓名： | 陶能付 章在墉 |
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| 作者单位： | 河海大学结构试验中心，同济大学结构理论研究所 |
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| 摘 要： | 根据收集到的１１２条美国地震记录，研究地震动持续时间对单自由度钢筋混凝土结构累积破坏的影响，统计回归出适合于单自由度钢筋混凝土结构考虑持续时间影响的抗震设计反应谱修正系数的表达式，并给出了如何把单自由度的研究结果推广多自由度中去的方法，从而为把地震动持续时间应用到抗震设计中迈出了第一步。
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| 关 键 词： | 钢筋混凝土结构 抗震设计 地震 |
Application of Ground Motion Duration to Seismic Design |
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| Tao Nengfu.Application of Ground Motion Duration to Seismic Design[J].Journal of Tongji University(Natural Science),1996,24(4):374-379. |
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| Authors: | Tao Nengfu |
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| Abstract: | In this paper, the effect of ground motion duration on cumulative damage of SDF R.C. structures on the basis of 112 earthquake records collected from America is studied. Expressions of modification factor which are used to consider the effect of ground motion duration on current seismic design spectra are obtained by means of the statistic and regression method, and a procedure of extending the results derived from SDF system to MDF system is proposed. This means that a first step of applying ground motion duration, an important ground motion parameter, to design of engineering facilities is made. |
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| Keywords: | Ground motion duration Rosponse spectra Seismic design |
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