ANALYTICAL METHOD AND ITS EXPERIMENTAL VERIFICATION FOR SEISMIC REDUCTION OF STORY-INCREASED STRUCTURES UNDER EARTHQUAKE

机译：地震作用下减震结构减震的解析方法及其试验验证

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Structural passive control devices have widely used in various engineering projects for resisting the wind load or earthquake excitation until now. The friction damper and sand isolation technology among them are of many advantages, such as easy installation, less cost and less maintenance fee. In this paper, a new type of energy-dissipated structural system for the reconstructive building with the story-increased frame is presented and investigated, in which the sliding-friction layer with sand between the lowest increased floor of outer frame structure and roof of original building is applied, and friction energy-dissipated dampers are used for the connections between the columns of outer frame and each floor of original building. A simplified analytical model of this system is proposed. For more appropriate theoretical analysis, the non-classical damping approach is introduced to calculation. The shaking table test is performed on the model of system to verify the effectiveness of the above seismic reduction system and proposed method. The results show that friction and energy-dissipated devices are very effective in reducing the seismic response and dissipating the input energy of model structure.

机译：迄今为止，结构无源控制装置已广泛用于各种工程项目中以抵抗风荷载或地震激励。其中的摩擦阻尼器和防砂技术具有安装方便，成本低廉，维护费用少等优点。本文提出并研究了一种新型的框架层结构的高层建筑耗能结构体系，其中在外层框架结构最低层与原屋顶之间具有砂土的滑动摩擦层应用建筑物，并在外部框架的柱与原始建筑物的每一层之间使用摩擦耗能的阻尼器。提出了该系统的简化分析模型。为了进行更适当的理论分析，非经典阻尼方法被引入到计算中。通过对系统模型进行振动台测试，验证了上述减震系统和所提方法的有效性。结果表明，摩擦耗能装置在降低地震反应和耗散模型结构输入能量方面非常有效。

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来源
《ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference vol.8: Seismic Engineering; 20050717-21; Denver,CO(US)》|2005年|P.19-25|共7页
会议地点 DenverCO(US)
作者
Hong-Nan Li; Yan-Gang Zhao; Chen Li; Yong-Wei Yin;
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作者单位

Department of Civil Engineering, Shenyang Jianzhu University, Shenyang 110015 Dalian University of Technology, Dalian 116024, China;

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原文格式 PDF
正文语种 eng
中图分类压力容器;
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ANALYTICAL METHOD AND ITS EXPERIMENTAL VERIFICATION FOR SEISMIC REDUCTION OF STORY-INCREASED STRUCTURES UNDER EARTHQUAKE

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