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Shaking table substructure test of tuned liquid damper for controlling earthquake response of structure

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  • Wiley
For precisely disclosing the seismic performance of tuned liquid damper (TLD)vibration control structures, the shaking table substructure test (STST) methodis presented and experimentally validated, and the parametric effects on thereduction efficiency of TLD are further investigated by using the STST methodin this paper. Firstly, one optimal design method of TLD for high-rise structuresis presented. Secondly, the STST based on three variable control method(TVCM) for the TLD vibration control structures is presented. Thirdly, theeffectiveness and robustness of the STST for TLD vibration control structuresare validated by a series of tests on one three-story-frame structure with a rectangularTLD. Finally, the parametric effects on the reduction efficiency ofTLD, in terms of mass ratio and liquid depth, are investigated using the STSTmethod. Experimental results show that the displacement and accelerationresponses of the STST match well with that of the traditional shaking tabletests under El Centro (NS, 1940) and Taft earthquake wave record excitations,which indicates the effectiveness and the robustness of the STST based onTVCM for TLD vibration control structures. It is also shown from the experimentalresults that the best mass ratio and liquid depth are 4% and 40 mm,respectively, which are consistent with the optimal designs of TLD. Moreover,the control performance of TLD is not only related to its parameters but alsorelated to the spectral characteristics of ground motion excitations.

shaking table substructure testtuned liquid damperoptimal designseismic performancevibration control

Guoshan Xu、Lichang Zheng、Yintong Bao

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School of Civil Engineering, HarbinInstitute of Technology, Harbin, China,Key Lab of Structures Dynamic Behaviorand Control, Ministry of Education,Harbin Institute of Technology, Harbin,China,Key Lab of Intelligent DisasterMitigation, Ministry of Industry andInformation Technology, Harbin, China

School of Civil Engineering, Harbin Institute of Technology, Harbin, China

School of Civil and EnvironmentalEngineering, Nanyang TechnologicalUniversity, Singapore, Singapore

2022

10.1002/stc.3122

Structural control and health monitoring

Structural control and health monitoring

EI
ISSN：1545-2255
年,卷(期)：2022.29(12)
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