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논문 기본 정보

자료유형
학술저널
저자정보
Xu, Y.L. (Department of Civil and Structural Engineering, The Hong Kong Polytechnic University) Zhu, L.D. (Department of Civil and Structural Engineering, The Hong Kong Polytechnic University) Wong, K.Y. (Tsing Ma Control Area Division, Highways Department) Chan, K.W.Y. (Tsing Ma Control Area Division, Highways Department)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제10권 제6호
발행연도
2000.1
수록면
545 - 559 (15page)

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A Wind and Structural Health Monitoring System (WASHMS) has been installed in the Tsing Ma suspension Bridge in Hong Kong with one of the objectives being the verification of analytical processes used in wind-resistant design. On 2 August 1997, Typhoon Victor just crossed over the Bridge and the WASHMS timely recorded both wind and structural response. The measurement data are analysed in this paper to obtain the mean wind speed, mean wind direction, mean wind inclination, turbulence intensity, integral scale, gust factor, wind spectrum, and the acceleration response and natural frequency of the Bridge. It is found that some features of wind structure and bridge response are difficult to be considered in the currently used analytical process for predicting buffeting response of long suspension bridges, for the Bridge is surrounded by a complex topography and the wind direction of Typhoon Victor changes during its crossing. It seems to be necessary to improve the prediction model so that a reasonable comparison can be performed between the measurement and prediction for long suspension bridges in typhoon prone regions.

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