Exploring the Use of Three-Dimensional Dispersion to Damp Building Vibrations

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 ste...

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Bibliographic Details
Published in:Journal of engineering mechanics 2004-03, Vol.130 (3), p.312-319
Main Authors: MacBain, Keith, Spillers, William R
Format: Article
Language:English
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Summary: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.
ISSN:0733-9399
1943-7889
DOI:10.1061/(ASCE)0733-9399(2004)130:3(312)