Effectiveness of multi tuned liquid dampers with slat screens for reducing dynamic responses of structures

Reducing vibration in structures under lateral load always attracts many researchers in during pastime, hence the mainly purpose of paper analyzes effectiveness of multiple-tuned liquid dampers for reducing dynamic responses of structures under ground acceleration of earthquakes. In this study, the...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2018-04, Vol.143 (1), p.12023
Main Authors: Nguyen, T P, Pham, D T, Ngo, K T
Format: Article
Language:English
Subjects:
Dynamic response
Earthquake dampers
Earthquakes
Equations of motion
Lateral loads
Mathematical models
Numerical methods
Screens
Seismic activity
Seismic response
Time domain analysis
Vibration
Vibration control
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Summary:Reducing vibration in structures under lateral load always attracts many researchers in during pastime, hence the mainly purpose of paper analyzes effectiveness of multiple-tuned liquid dampers for reducing dynamic responses of structures under ground acceleration of earthquakes. In this study, the multi-tuned liquid damper with slat screens (M-TLDWSS) is considered in detail for analyzing dynamic response of multi-degrees of freedom structure due to earthquake, which is more different previous studies. Then, the general equation of motion of the structure and M-TLDWSS under ground acceleration of earthquake is established based on dynamic balance of principle and solved by numerical method in the time domain. The effects of characteristic parameters of M-TLDWSS on dynamic response of the structure are investigated. The results obtained in this study demonstrate that the M-TLDWSS has significantly effectiveness for reducing dynamic response of the structure.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/143/1/012023