Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/220950

Download PDF (Published version) (Adobe Acrobat PDF, -1 bytes)

Title

Performance of distributed multiple viscoelastic tuned mass dampers for floor vibration applications

Author(s)

Nguyen, T. H.;  Saidi, I.;  Gad, E. F.;  Wilson, J. L.;  Haritos, N.

Abstract

Floor vibration due to human activities is becoming a significant concern to designers and developers of long span lightweight floor systems. Modern office floors are now constructed with longer spans and lighter structural members. Actual office dead loads and floor damping are significantly lower than what they were in the past, increasing the potential for annoying floor vibration. Traditional techniques to reduce vibrations through structural modifications have some serious shortcomings, especially with existing structures. This paper discusses the development of an innovative configuration for a tuned mass damper (TMD) using viscoelastic material in rectifying problematic floors. General analytical formulae to predict the response of a floor fitted with multiple identical TMDs are developed. Experimental and numerical studies on the performance of a custom-made distributed multiple viscoelastic TMD system in suppressing the vibration level on an actual office floor subjected to various types of excitations are discussed. The effects of the damper location, the variation in the floor and/or dampers dynamic characteristics on the effectiveness of this control approach have been taken into account. The installed damper system has successfully suppressed the floor response level to an acceptable limit for human comfort, in the case study presented.

Publication type

Journal article

Research centre

Swinburne University of Technology. Faculty of Engineering and Industrial Sciences

Source

Advances in Structural Engineering, Vol. 15, no. 3 (Mar 2012), pp. 547-562

Publication year

2012

FOR Code(s)

0905 Civil Engineering

Keyword(s)

Distributed damper;  Floor vibrations;  Tuned mass damper;  Viscoelastic material

Publisher

Multi-Science Publishing

ISSN

1369-4332

Publisher URL

http://dx.doi.org/10.1260/1369-4332.15.3.547

Copyright

Copyright © 2012 Multi-Science Publishing Co Ltd. The published version is reproduced with the kind permission of the publisher.

Full text

Peer reviewed