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논문 기본 정보

자료유형
학술저널
저자정보
Deng, Ting (School of Civil Engineering and Transportation, State Key Laboratory of Subtropical Building Science, South China University of Technology) Yu, Xianfeng (School of Civil Engineering and Transportation, State Key Laboratory of Subtropical Building Science, South China University of Technology) Xie, Zhuangning (School of Civil Engineering and Transportation, State Key Laboratory of Subtropical Building Science, South China University of Technology)
저널정보
테크노프레스 Wind & structures Wind & structures 제21권 제3호
발행연도
2015.1
수록면
331 - 352 (22page)

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초록· 키워드

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A series of wind tunnel tests were conducted on tapered super high-rise buildings with a square cross section by applying synchronous pressure measurement technology. The effects of global strategy of chamfered modification on aerodynamic loads and wind-induced responses were investigated. Moreover, local aerodynamic strategies of opening a ventilation slot in the corner of equipment and refuge floors were carried out. Results show that the global strategy of tapered elevation increased the vortex shedding frequency, but reduced vortex shedding energy, leading to reduction of across-wind aerodynamic loads and responses. Chamfered modification suppressed the across-wind vortex shedding effect on tapered buildings. Opening the ventilation slot further suppressed the strength of vortex shedding and reduced the residual energy related to vortex shedding in aerodynamic loads of chamfered buildings. Finally, the optimized locations of local aerodynamic strategies were suggested.

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