準静的成分と共振成分の連成を考慮した高層建築物の風応答評価法

DOI DOI Web Site 参考文献31件
  • 王 天元
    東北大学大学院工学研究科都市・建築学専攻
  • 植松 康
    東北大学大学院工学研究科都市・建築学専攻

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  • A New Model for Estimating Wind-induced Responses of Tall Buildings with Consideration of Cross-term between Background and Resonant Components

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In current design practice, the responses of buildings and structures to fluctuating wind loads are usually separated into the background and resonant components, based on the assumption that these two components are not correlated with each other. The present paper proposes a new model for estimating the wind-induced responses of tall buildings, in which the background and resonant components and their cross-term are strictly defined and included. Therefore, the new model is more exact than the conventional ones. Comparisons are made for the along-wind and across-wind responses of tall buildings between this model and the conventional ones, based on a parametric investigation. The results show that the conventional models give results similar to those obtained from the new model for the along-wind responses, but generally underestimate the across-wind responses. Finally, some conclusions and useful suggestions are presented.

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