| 基于性能/位移的能力-需求曲线设计方法 |
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| 引用本文： | 叶列平. 基于性能/位移的能力-需求曲线设计方法[J]. 工程抗震与加固改造, 2009, 31(3): 50-55 |
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| 作者姓名： | 叶列平 |
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| 作者单位： | 清华大学土木工程系,北京,100084 |
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| 基金项目： | 国家科技支撑计划课题 |
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| 摘 要： | 针对能力谱法结构地震位移需求难以确定,以及在长周期下可能产生较大误差等不利问题,本文提出了能力-需求曲线法.该方法保留了能力谱法的直观图解过程,可同时确定在不同地震强度等级下的结构抗震位移需求,包括结构的损伤指标及相应的概率.最后本文对各种需求曲线进行了比较,提出了有关建议.
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| 关 键 词： | 能力-需求曲线法 能力谱法 基于性能/位移设计方法 损伤指标 需求曲线 |
Capacity-Demand Curves Method for Performance/Displacement-based Seismic Design |
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| Ye Lie-ping. Capacity-Demand Curves Method for Performance/Displacement-based Seismic Design[J]. Earthquake Resistant Engineering and Retrofitting, 2009, 31(3): 50-55 |
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| Authors: | Ye Lie-ping |
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| Affiliation: | Ye Lie-ping (Department of Civil Engineering,Tsinghua University,Beijing 100084,China) |
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| Abstract: | Based on the visual graphical procedure of capacity spectrum method(CSM),a new method,called capacity-demand curves method(CDCM),is proposed for performance/displacement seismic design in this paper.The new method can be drawn from CSM but could avoid its disadvantages in difficult determination of demand point and larger error induced for long period system.Then the method is developed to determine the seismic performance/displacement including damage degree of structures and the corresponding probability ... |
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| Keywords: | capacity-demand curves method capacity spectrum method inelastic response performance/displacement-based design multi earthquake levels damage degree probability |
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