| 不同地震动作用下隔震结构减震影响分析 |
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| 引用本文： | 张宁,刘文光,何文福.不同地震动作用下隔震结构减震影响分析[J].华南地震,2009,29(2):28-34. |
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| 作者姓名： | 张宁 刘文光 何文福 |
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| 作者单位： | 1. 广州大学,广东,广州,510006
2. 上海大学,上海,200072 |
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| 基金项目： | 国家自然科学基金，广东省科技厅项目 |
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| 摘 要： | 基于地震动加速度峰值和速度峰值比值（PGA／PGV）选用了13条不同频谱的地震波，对不同参数条件下多层基础隔震结构地震响应进行非线性时程分析，得到了不同地震动作用下隔震结构模型的地震反应。计算结果表明：随PGA／PGV增大，隔震结构减震率整体上呈增大趋势,但是PGA／PGV对减震率的影响程度还受结构自振周期，上部结构侧移刚度的影响，应综合考虑。
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| 关 键 词： | 隔震结构 频谱特性 时程分析 减震率 |
Analyses of Mitigation Effects of Isolated Structures to Different Ground Motions |
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| ZHANG Ning,LIU Wenguang,HE Wenfu.Analyses of Mitigation Effects of Isolated Structures to Different Ground Motions[J].South China Journal of Seismology,2009,29(2):28-34. |
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| Authors: | ZHANG Ning LIU Wenguang HE Wenfu |
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| Institution: | 1.Guangzhou University;Guangzhou 510006;China;2.Shanghai University;Shanghai 200072;China |
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| Abstract: | By selecting 13 earthquake waves of different spectra based on ratios of peak ground acceleration to peak ground velocity(PGA/PGV) and using non-linear time-history analysis method,the reactions of multi-story base-isolated structures to different ground motions are analyzed in this paper.The results show that the decreasing amplitude ratio of isolated structures overall increases with increasing of PGA/PGV,but the decreasing amplitude ratio is not totally decided by PGA/PGV,which is also influenced by othe... |
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| Keywords: | Isolated structure Spectrum characteristic Time-history analysis Decreasing amplitude ratio |
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