颗粒阻尼器布置方案对其减震效果影响研究

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Abstract In order to clear the influence law of the layout scheme of particle damper on its control effect for building structures, a 1/30-scale reinforced concrete frame model was taken as the research object, a kind of particle damper connected to the scaled model rigidly to reduce the vibration of the model was designed and manufactured, the layout scheme of particle dampers were designed according to the shock absorption requirement of the tested model, and the influence of the layout position and the number of the dampers on the control effect was analyzed through a series of shaking table tests. The results show that the root mean square displacement response and peak displacement response of the structure where there is a particle damper are both decreased, and the particle damper designed in this paper has a good control effect. The layout position of the particle damper has significant impact on the control effect, particle dampers should be placed on the place where the displacement response is larger, reasonable layout scheme of the particle damper can effectively reduce the torsion response of the structure. The vibration control effect on the displacement response increase with the number of particle damper increasing. In other words, considering with the available additional mass ratio range applied to building structures, the control effect increase with the additional mass ratio of the particle damper increasing.

Key words： frame structure particle damper shaking table test layout scheme additional mass ratio

Received: 16 October 2018 Published: 15 July 2020

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	Articles by authors
	WANG Jin1
	2
	XU Weibing2
	YAN Weiming2
	CHENG Shaoge1
	SHI Tiehua1

Cite this article:

WANG Jin1,2,XU Weibing2, et al. Influences of the layout scheme of particle dampers on its vibration control effect[J]. JOURNAL OF VIBRATION AND SHOCK, 2020, 39(14): 29-35.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2020/V39/I14/29

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