PROCEEDINGS OF THE 20th NATIONAL SYMPOSIUM ON WIND ENGINEERING
巻, 号, ページ
Vol. 20
pp. 247-252
出版年月
2008年12月
出版者
和文:
日本風工学会
英文:
JAPAN ASSOCIATION FOR WIND ENGINEERING
会議名称
和文:
第20回風工学シンポジウム
英文:
THE 20th NATIONAL SYMPOSIUM ON WIND ENGINEERING
開催地
和文:
東京
英文:
ファイル
アブストラクト
It has been recognized that viscoelastic (VE) damper have significant advantage of being effective against not only the wind but also earthquake-induced response. However the effect of the VE damper on the wind-induced response has not been fully comprehended. In order to clarify the characteristics of the wind-induced response of tall building having VE dampers, the wind tunnel test model, which is installed VE damper and special measurement system to obtain the damper hysteresis loop, is developed, and the wind tunnel tests under the turbulent boundary layer flow are carried out.
In this paper, the wind-induced response prediction method of the tall building having viscoelastic damper is proposed. The frequency sensitivity of VE damper is considered by using the fractional derivative model. Accuracy of the proposed prediction method is demonstrated by comparing with the results of wind tunnel test of tall building model with VE damper, and the applicability of this method are presented.
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