Optimal Design of MTMD Vertical Vibration-Reduction for Horizontal Structures Based on the Combination of Optimal Parameters

HAN Zhifan; WANG Xin

doi:10.3724/j.gyjzG23061103

Volume 54 Issue 4

Apr. 2024

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HAN Zhifan, WANG Xin. Optimal Design of MTMD Vertical Vibration-Reduction for Horizontal Structures Based on the Combination of Optimal Parameters[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(4): 46-53. doi: 10.3724/j.gyjzG23061103

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HAN Zhifan, WANG Xin. Optimal Design of MTMD Vertical Vibration-Reduction for Horizontal Structures Based on the Combination of Optimal Parameters[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(4): 46-53. doi: 10.3724/j.gyjzG23061103

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Optimal Design of MTMD Vertical Vibration-Reduction for Horizontal Structures Based on the Combination of Optimal Parameters

doi: 10.3724/j.gyjzG23061103

HAN Zhifan¹,
WANG Xin^{1,2
,
,}

1. Construction Institute, Guangdong Technology College, Zhaoqing 526000, China;
2. School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China

Received Date: 2023-06-11
Available Online: 2024-05-29

Abstract

Abstract

The vibration-reduction effect of the MTMD system depends on the optimization of both Tuned Mass Damper (TMD) parameters and its arrangement. For the vertical vibration control of horizontal structures including large floors and aerial corridors, an optimal design method of the MTMD vibration-reduction system, which consists of the following two steps, was proposed: 1) the optimal parameters of TMD were derived from the frequency domain solution for a damped single degree of freedom structure with TMD; 2) each target-mode was extracted according to the dominated participated-mode-mass, and the TMDs with optimal parameters were arranged where the greatest mode-displacement appeared. The results showed that the method was simple, practical, and had high calculation efficiency. For pedestrian load excitations with different frequencies, the ideal vertical vibration-reduction effect could be achieved when the mass of MTMD was only 0.5% to that of the main structure.
- horizontal structure,
- vertical vibration control,
- MTMD,
- optimal design

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References(23)

References

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