一种组合型质量阻尼器的振动台试验研究

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振动与冲击 ›› 2018, Vol. 37 ›› Issue (12) : 220-225.

论文

一种组合型质量阻尼器的振动台试验研究

鲁正，王贤林，何任飞，于昌辉，程健

作者信息 +

An experimental study on shaking table test of a combined mass damper

LU Zheng, WANG Xianlin, HE Renfei, YU Changhui, CHENG Jian

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文章历史 +

摘要

基于液体调谐和颗粒碰撞协同减振的原理，提出一种组合型质量阻尼器，并对其开展振动台试验的初步研究，对比考察某单自由度结构不附加、附加组合型质量阻尼器、附加传统质量阻尼器和附加传统液体阻尼器在三种不同地震波激励下的动力响应，验证组合型质量阻尼器的减振工作性能。试验研究表明：无论是从峰值加速度衰减率，还是均方根加速度衰减率来看，新型组合型质量阻尼器的减振性能基本优于传统质量阻尼器；传统阻尼器的减震效果更易受激励地震波特性的影响；组合型质量阻尼器在全频带内均有减震效果，低频内减震效果更佳；且其减震效果对地震波幅值变化不敏感，系统鲁棒性较好。

Abstract

A combined mass damper (CMD) was put forward based on the joint vibration reduction effect of tuned liquid and colliding particles. A series of shaking table tests was designed, in order to investigate the dynamic response of a singledegreeoffreedom bent frame structure with or without the damper (CMD, TMD and TLD are tested respectively) under three different kinds of earthquake waves and test the vibration reduction performance of CMD. It is shown that the vibration reduction performance of CMD is basically better than the traditional dampers no matter peak acceleration attenuation rate or rootmeansquare acceleration attenuation rate. The vibration reduction effect of traditional dampers is sensitive to the characteristics of earthquake wave, while CMD is effective in the whole frequency band especially in low frequency. Also, the vibration reduction effect of CMD is not sensitive to the variety of the amplitude of earthquake waves, which means the system has good robustness. 

导出引用

鲁正，王贤林，何任飞，于昌辉，程健. 一种组合型质量阻尼器的振动台试验研究[J]. 振动与冲击, 2018, 37(12): 220-225

LU Zheng, WANG Xianlin, HE Renfei, YU Changhui, CHENG Jian . An experimental study on shaking table test of a combined mass damper[J]. Journal of Vibration and Shock, 2018, 37(12): 220-225

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