Journal of the Architectural Institute of Korea Structure & Construction (대한건축학회논문집:구조계)

Architectural Institute of Korea (대한건축학회)
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The Wind Load Evaluation on Building Considering Vertical Profile of Fluctuating Wind Force

변동풍력의 연직분포를 고려한 건축물의 풍하중 평가

  • 류혜진 (금오공과대학교 대학원) ;
  • 신동현 (금오공과대학교 대학원) ;
  • 하영철 (금오공과대학교 건축학부)
  • Received : 2019.04.02
  • Accepted : 2019.07.10
  • Published : 2019.07.30
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Abstract

The wind tunnel test makes it possible to predict the wind loads for the wind resistant design. There are many methods to evaluate wind loads from data obtained from the wind tunnel test and these methods have advantages and disadvantages. In this study, two of these methods were analyzed and compared. One is the wind load evaluation method by fluctuating displacement and the other is the wind load evaluation method considering vertical profile of fluctuating wind force. The former method is evaluated as the sum of the mean wind load of the average wind force and the maximum value of the fluctuating wind load. The latter method is evaluated as the sum of the mean wind load and maximum value of the background wind load, and the maximum value of the resonant wind load. Two methods were applied to the wind tunnel test to compare the evaluated wind loads according to the two methods, with a maximum difference of about 1.2 times. The wind load evaluated by the method considering vertical profile of the fluctuating wind force (VPFWF) was larger than the wind load evaluated by the method by fluctuating displacement (FD). Especially, the difference of the wind load according to the two methods is large in the lower part of the building and the wind load is reversed at a specific height of the building. VPFWF of evaluating resonant wind loads and background wind loads separately is more reasonable.

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References

  1. Architectural Institute of Korea (2016). Korean building code
  2. The Wind Engineering Institute of Korea (2010). Wind-Resistant Engineering, Kimmondang, 563-576
  3. Davenport, A.G. (1967). Gust Loading Factors, ASCE J. Struct. Division, 93, 11-34 https://doi.org/10.1061/JSDEAG.0001692
  4. Davenport, A.G. (1995). "How can we simplify and generalize wind loads?", Journal of Wind Engineering and Industrial Aerodynamics, 54, 157-669
  5. Holmes, J.D. (2002). Effect static load distributions in wind engineering, Journal of Wind Engineering and Industrial Aerodynamics, 90, 91-109, https://doi.org/10.1016/S0167-6105(01)00164-7
  6. Kasperski, M., & Niemann, H-J. (1992). The LRC(load-response-correlation) method: a general method of estimating unfavourable wind load distributions of linear and nonlinear structural behaviour, Journal of Wind Engineering and Industrial Aerodynamics, 40, 1753-1763 https://doi.org/10.1016/0167-6105(92)90588-2
  7. Repetto, M. P., & Solari, G. (2004). Equivalent static wind actions on vertical structures, Journal of Wind Engineering and Industrial Aerodynamics, 95, 335-357 https://doi.org/10.1016/j.jweia.2004.01.002
  8. Holmes, J.D., Syme, M.J., & Kasperski, M. (1995). Optimised design of a low-rise industrial building for wind loads, Journal of Wind Engineering and Industrial Aerodynamics, 57, 391-401 https://doi.org/10.1016/0167-6105(94)00105-M
  9. L. Patruno, M. Ricci, S. de Miranda, & F. Ubertini. (2017). An efficient approach to the determination of Equivalent Static Wind Loads, Journal of Fluids and Structures, 68, 1-14 https://doi.org/10.1016/j.jfluidstructs.2016.10.003
  10. Tanaka.H., Tamura.Y., Ohtake.K., Nakai.M., & Chul Kim.Y. (2012). Experimental investigation of aerodynamic forces and wind pressures acting on tall buildings with various unconventional configurations, Journal of Wind Engineering and Industrial Aerodynamics, 107-107, 179-191 https://doi.org/10.1016/j.jweia.2012.04.014
  11. Hiroshi, T., & Yutaka, A. (1994). An experimental research for vertical distribution of fluctuating wind force on high rise building, Architectural Institute of Japan, 1994, 231-232