理論応用力学講演会 講演論文集
第64回理論応用力学講演会
セッションID: OS1-01-04
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OS1-1 構造物の減衰(1)
実測データに基づく建築物の固有周期および減衰定数の傾向分析
扇谷 匠己佐武 直紀
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This paper focuses on natural period and damping factor as a vibration characteristic of steel or RC-type buildings, and shows the results of trend analyses using full-scale data. Database is organized nearly 400 full-scale data from documents published in the past. The first-mode damping factors often used in design are 2% in steel buildings and 3% in RC buildings. Therefore, with reference to the database created, we compared them with damping ratios assumed for ordinary design. Also trend analyses was performed trend analyses on building heights, the first-mode natural period and damping ratios, furthermore about amplitude dependence of damping ratios.

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