Exploring the Use of Three-Dimensional Dispersion to Damp Building Vibrations
Publication: Journal of Engineering Mechanics
Volume 130, Issue 3
Abstract
This paper explores the use of mass/stiffness eccentricity in simple buildings to damp the response to excitation due to base motion. Examples include one- and two-story buildings when discussing low-rise structures and shear beams when discussing taller structures. Base motions include a simple step function and earthquake input. A broad range of efficiencies is achieved depending upon the system eccentricity and the available viscous damping. Asymptotic efficiencies of 50% are indicated in some cases. Optimal parameters are discussed.
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References
Calderoni, B., D’Aveni, A., Ghersi, A., and Rinaldi, Z.(2002). “Static versus modal analysis of asymmetric buildings: Effectiveness of dynamic eccentricity formulations.” Earthquake Spectra, 18(2), 219–231.
Chopra, A. K. (1995). Dynamics of structures, Prentice-Hall, Englewood Cliffs, N.J.
Churchill, R. V. (1944). Modern operational mathematics in engineering, McGraw-Hill, New York.
Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 130 • Issue 3 • March 2004
Pages: 312 - 319
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Dec 9, 2002
Accepted: Oct 10, 2003
Published online: Feb 19, 2004
Published in print: Mar 2004
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Authors
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Keith MacBain
Engineer, Geiger Engineers, P.C. NY Office, 2 Executive Blvd., Suite 410, Suffern, NY 10901-4166.
William R. Spillers, M.ASCE
Professor of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ 07102.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.