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Experimental and analytical study on the performance of particle tuned mass dampers under seismic excitation
- Source :
- Earthquake Engineering & Structural Dynamics. 46:697-714
- Publication Year :
- 2016
- Publisher :
- Wiley, 2016.
-
Abstract
- Summary A particle tuned mass damper (PTMD), which is a creative integration of a traditional tuned mass damper and an efficient particle damper in the vibration control area, is proposed. This paper presents a comprehensive study that involves experimental, analytical, and computational approaches. The vibration control effects of a PTMD that is attached to a five-story steel frame under seismic input are investigated by a series of shaking table tests. The influence of some parameters (auxiliary mass ratio, gap clearance, mass ratio of particles to the total auxiliary mass, frequency characteristics, and amplitude level of the input) is explored, and the performance of the PTMD with/without buffered material is compared. The experimental results show that the PTMD can achieve significant damping effects under seismic excitations, and the bandwidth of the suppression frequency is expanded, showing the device's robustness and control efficiency. In addition, an approximately analytical solution that is based on the concept of an equivalent single-particle damper is presented, and the method to determine the corresponding system parameters is introduced. A comparative study between experimental and numerical results is conducted to verify the feasibility and accuracy of this analytical model. Copyright © 2016 John Wiley & Sons, Ltd.
- Subjects :
- 021110 strategic, defence & security studies
Engineering
Computer simulation
business.industry
Bandwidth (signal processing)
0211 other engineering and technologies
Vibration control
020101 civil engineering
02 engineering and technology
Structural engineering
Mass ratio
Geotechnical Engineering and Engineering Geology
0201 civil engineering
Damper
Tuned mass damper
Earth and Planetary Sciences (miscellaneous)
Earthquake shaking table
Centrifugal pendulum absorber
business
Civil and Structural Engineering
Subjects
Details
- ISSN :
- 00988847
- Volume :
- 46
- Database :
- OpenAIRE
- Journal :
- Earthquake Engineering & Structural Dynamics
- Accession number :
- edsair.doi...........f4a7464efd7dd226f7ab7d885ada9dff