Structural Engineering and Mechanics

  • 제10권6호
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  • Pages.545-559
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  • 2000
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Field measurement results of Tsing Ma suspension Bridge during Typhoon Victor

  • 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)
  • 발행 : 2000.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

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.

키워드

참고문헌

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