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首页> 外文期刊>Bulletin of earthquake engineering >Analytical investigation of the seismic response of elastic oscillators placed on the top of rocking storey
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Analytical investigation of the seismic response of elastic oscillators placed on the top of rocking storey

机译：松紧振荡器放置在摇摆岩顶部地震响应的分析研究

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摘要

In the present study the seismic response of elastic single degree of freedom oscillators placed on the top of a rocking storey is examined. A storey comprised of columns that may uplift under ground motion excitations can be regarded as an innovative and cost effective base isolation technique. Regarding the podium structural systems, apart from studying the rocking response in order to avoid the rocking overturn, it is important to examine the seismic demand on the superstructure so as to assess the rocking storey as base isolation system. From this point of view, structural as well as ground motion parameters that affect the seismic demands of the superstructure are examined. For this purpose, the superstructure's response spectra, of various structural configurations, under free rocking response, analytical pulses and natural ground motions are presented and discussed. Finally, the effect of different assumptions regarding energy dissipation during impact on the response of the superstructure is investigated. The study of the podium structures results in useful remarks concerning the performance of the rocking storey as a base isolation system.
机译：本文研究了置于摇摆层顶部的弹性单自由度振子的地震反应。由可能在地面运动激励下抬升的柱组成的楼层可被视为一种创新且具有成本效益的基础隔震技术。关于裙房结构系统，除了研究摇摆响应以避免摇摆倾覆外，重要的是检查上部结构的地震需求，以便评估摇摆层作为基础隔震系统。从这个角度出发，研究了影响上部结构抗震要求的结构和地震动参数。为此，介绍并讨论了各种结构配置的上部结构在自由摇摆响应、分析脉冲和自然地震动下的反应谱。最后，研究了冲击过程中能量耗散的不同假设对上部结构响应的影响。对裙房结构的研究得出了关于摇摆层作为基础隔震系统性能的有用意见。

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