Journal
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
Volume 96, Issue 8-9, Pages 1307-1319Publisher
ELSEVIER
DOI: 10.1016/j.jweia.2008.02.038
Keywords
aeroelastic; taper ratio; tall building; across-wind response; damping ratio
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Funding
- National Research Foundation of Korea [2005-01418] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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To investigate the effect of tapering on reducing the rms across-wind displacement responses of a tall building, an experiment using an aeroelastic tapered model of a tall building wits conducted in a wind tunnel which simulated the suburban environment. Three aeroelastic, tapered, tall building models with taper ratios of 5%, 10% and 15%, and one basic model of a square cross-section without a taper were tested. The tapering effect appeared when the reduced velocity was high and the structural damping ratio had a moderate value of 2-4%. However, the increase in tapering could have an adverse effect, increasing the rms across-wind displacement responses when the structural damping ratio is very low. (C) 2008 Published by Elsevier Ltd.
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