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(鄭州大學土木工程學院 450002)
【提要】 風荷載是強風區(qū)高層建筑的主要側向控制荷載，確定脈動風荷載是高層建筑結構設計的需要。借助于高頻動態(tài)天平試驗和風壓測量試驗，分析討論了沿建筑物高度分布的平均風力、脈動風力、風致振動慣性力以及建筑結構設計所需要的等效靜態(tài)風荷載的確定問題，可為高層建筑結構設計中的風荷載確定提供參考。
【關鍵詞】 高層建筑 風荷載 風響應 廣義力
Determination of Equivalent Static Wind Load on Highrise Building/Li Huizhi,Fan Youjing(College of Civil Engineering,Zhengzhou University,Zhengzhou 450002,China)
Abstract:Determination of fluctuating wind loads is necessity to highrise building design.The height distributions of the mean wind force,fluctuating wind force,wind induced vibrating inertial force,and the determination of the equivalent static wind load needed for the structural design of the buildings are researched based on a wind pressure test and a high frequency balance test.The results can be used as a reference for determining the wind load of highrise structure.
Keywords:highrise building； wind load; wind response; generalized force