Performance and Cost Evaluation of a Smart Tuned Mass Damper for Suppressing Wind-Induced Lateral-Torsional Motion of Tall Structures
Publication: Journal of Structural Engineering
Volume 138, Issue 4
Abstract
The implementation of a vibration control system has always been associated with considerable capital and long-standing maintenance costs, resulting in limited practical applications of damping devices. The notion of a massive implementation cost is largely the result of a lack of cost analysis of vibration control systems in the literature. This paper presents the structural design of a wind-sensitive tall building at various design stages and the results of a collaborative study with two damper construction companies on the cost estimation of a control device. A series of wind tunnel pressure tests were conducted on a scale model to determine the translational and torsional wind forces acting on the studied building. A structural optimization was subsequently employed to reduce the excessive top deflection, and a smart tuned mass damper was implemented at the final design stage to meet occupant comfort criteria. The details of each structural design stage, the implementation of vibration control devices, and a collaborative study on damper cost are outlined in this paper.
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Acknowledgments
This research project is funded by a Research Grants Council of Hong Kong Special Administrative Region, China (Project HKUST6301/04E, HKUST112408) and is partially supported by TPU Global COE Program, MEXT Japan. The authors also acknowledge the contributions of the two Japanese construction companies to the collaborative study.
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Published In
Journal of Structural Engineering
Volume 138 • Issue 4 • April 2012
Pages: 514 - 525
Copyright
© 2012. American Society of Civil Engineers.
History
Received: Oct 16, 2009
Accepted: Aug 3, 2011
Published online: Mar 15, 2012
Published in print: Apr 1, 2012
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