Wind and Structures

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Wind characteristics of Typhoon Dujuan as measured at a 50m guyed mast

  • Law, S.S. (Civil and Structural Engineering Department, Hong Kong Polytechnic University) ;
  • Bu, J.Q. (Shijiazhuang Railway Institute) ;
  • Zhu, X.Q. (Civil and Structural Engineering Department, Hong Kong Polytechnic University) ;
  • Chan, S.L. (Civil and Structural Engineering Department, Hong Kong Polytechnic University)
  • Received : 2005.09.21
  • Accepted : 2006.08.18
  • Published : 2006.10.25
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Abstract

This paper presents the wind characteristics of Typhoon Dujuan as measured at a 50 m guyed mast in Hong Kong. The basic wind speed, wind direction and turbulent intensity are studied at two measurement levels of the structure. The power spectral density of the typhoon is compared with the von Karman prediction, and the coherence between wind speeds at the two measurement levels is found to This paper presents the wind characteristics of Typhoon Dujuan as measured at a 50 m guyed mast in Hong Kong. The basic wind speed, wind direction and turbulent intensity are studied at two measurement levels of the structure. The power spectral density of the typhoon is compared with the von Karman prediction, and the coherence between wind speeds at the two measurement levels is found to compare with Davenport's prediction. The effect of typhoon Dujuan on the response of the structure will be discussed in a companion paper (Law, et al. 2006).with Davenport's prediction. The effect of typhoon Dujuan on the response of the structure will be discussed in a companion paper (Law, et al. 2006).

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References

  1. Davenport, A. G. (1967), 'The dependence of wind loads on meteorological parameters', Proceedings of International Research Seminar on Wind Effects on Buildings and Structures. Ottawa, Canada: University of Toronto Press, pp. 19-82
  2. Davenport, A. G. (1968), 'The dependence of wind load upon meteorological parameters', Proceedings of the International Research Seminar on Wind Effects on Buildings and Structures. University of Toronto Press. Toronto, pp. 19-82
  3. Harikrishna, P., Annadurai, A., Gomathinayagam, S. and Lakshmanan, N. (2003), 'Full scale measurements of the structural response of a 50 m guyed mast under wind loading', Eng. Struct., 25, 859-867 https://doi.org/10.1016/S0141-0296(03)00005-1
  4. Law, S. S., Bu, J. Q., Zhu, X. Q., and Chan, S. L. (companion paper) (2006), 'Response prediction of a 50 m guyed mast under typhoon conditions', Wind and Struct., An Int. J. https://doi.org/10.12989/was.2006.9.5.397
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