Vibration Reduction Analysis of Landscape Towers with Variable Damping TMDs Based on Wind Tunnel Tests

LIN Songwei; OU Tong; LUO Jiexin; HE Hui; LIU Yanhui

doi:10.13204/j.gyjzG21073103

Volume 53 Issue 2

Feb. 2023

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LIN Songwei, OU Tong, LUO Jiexin, HE Hui, LIU Yanhui. Vibration Reduction Analysis of Landscape Towers with Variable Damping TMDs Based on Wind Tunnel Tests[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(2): 138-143,121. doi: 10.13204/j.gyjzG21073103

Citation:

LIN Songwei, OU Tong, LUO Jiexin, HE Hui, LIU Yanhui. Vibration Reduction Analysis of Landscape Towers with Variable Damping TMDs Based on Wind Tunnel Tests[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(2): 138-143,121. doi: 10.13204/j.gyjzG21073103

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Vibration Reduction Analysis of Landscape Towers with Variable Damping TMDs Based on Wind Tunnel Tests

doi: 10.13204/j.gyjzG21073103

LIN Songwei^1,2,
OU Tong^1,3,
LUO Jiexin^{1
,
,},
HE Hui⁴,
LIU Yanhui²

1. Guangdong Architectural Design & Research Institute Co., Ltd., Guangzhou 510010, China;
2. School of Civil Engineering, Guangzhou University, Guangzhou 510006, China;
3. Guangdong Metal Enclosure Structure Engineering Technology Research Center, Guangzhou 510006, China;
4. Hunan Institute of Technology, Hengyang 421002, China

Received Date: 2021-07-31
Available Online: 2023-05-25
Publish Date: 2023-02-20

Abstract

Abstract

Based on the time history of wind loads at each structural story obtained from wind tunnel tests, the wind-induced vibration responses of uncontrolled and controlled landscape towers by return period winds for 10 years, 50 years and 100 years were analyzed by the ABAQUS software, and the vibration reduction effect of TMD under wind loads in different return periods were obtained. The calculation results showed that the two-stage variable damping from TMDs could effectively reduce structural responses excited by wind loads, and the vibration-reduction efficiency increased with the increase of stories; TMDs did not exceed the longest stroke length under wind loads. It was in primary damping that excited by the return period wind for 10 years and in secondary damping excited by return period winds for 50 and 100 years; TMDs could effectively improve the structural comfort, and the efficiency of acceleration control was higher than that of displacement control; vibration reduction measures by TMDs were suitable for wind vibration control design of high-rise structures.
- landscape tower,
- two-stage variable damping,
- TMD,
- wind tunnel test,
- vibration attenuation

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References(17)

References

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