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Field Measurement of Wind Speeds and Wind-Induced Responses atop the Shanghai World Financial Center under Normal Climate Conditions

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  • Yong Quan
  • Shuai Wang
  • Ming Gu
  • Jun Kuang

Abstract

Field measurement data on wind velocities and wind-induced acceleration responses at the top of the 492 m high Shanghai World Financial Center (SWFC) under normal climate conditions are studied. Characteristics of the mean wind speeds and turbulence intensities, gust factors, power spectral densities, and turbulence integral scales of the fluctuating wind speed are analyzed in different observation time intervals. Power spectral densities of wind-induced acceleration are also investigated. The basic natural frequencies and structural damping ratios of the building are identified based on Hilbert-Huang transform method and random decrement method. The field measurement results of wind-induced responses of the SWFC are finally compared with those from the corresponding high-frequency force balance wind tunnel test study.

Suggested Citation

  • Yong Quan & Shuai Wang & Ming Gu & Jun Kuang, 2013. "Field Measurement of Wind Speeds and Wind-Induced Responses atop the Shanghai World Financial Center under Normal Climate Conditions," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-14, December.
    • Handle: RePEc:hin:jnlmpe:902643
    DOI: 10.1155/2013/902643
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