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首页> 外文会议>EUR 21431; Final Conference of Cost Action C12; 20050120-22; Innsbruck(AT) >Applicability of variable stiffness seismic isolators based on magnetically controlled elastomer
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Applicability of variable stiffness seismic isolators based on magnetically controlled elastomer

机译：基于磁控弹性体的变刚度隔震器的适用性

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摘要

High damping rubber bearings HDRB are frequently used to isolate structures at major earthquakes. However, at lower displacement amplitudes related to more frequent weaker earthquakes the stiffness of HDRB is larger, jeopardizing the isolation effect. Of special concern is possible damage of sensitive equipment at earthquakes with short return period. To overcome this problem HDRB using magnetically controlled elastomers to provide uniform stiffness over the entire range of possible displacements were proposed. Based on the parametric study of the inelastic response of standard HDRB presented in the form of storey spectra the range of applicability of the proposed devices was investigated.
机译：高阻尼橡胶轴承HDRB通常用于在大地震中隔离结构。但是，在与地震频发程度较小相关的较低位移幅度下，HDRB的刚度较大，从而损害了隔离效果。特别要注意的是，在短返回期的地震中，敏感设备可能会损坏。为了克服这个问题，提出了使用磁控弹性体在整个可能位移范围内提供均匀刚度的HDRB。基于以层谱形式表示的标准HDRB的非弹性响应的参数研究，研究了所提出装置的适用范围。

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