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Wind & structures v.8 no.3, 2005년, pp.147 - 161  

Experimental study on wind-induced dynamic interference effects between two tall buildings

Huang, Peng    (State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University   ); Gu, Ming    (State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University  );
  • 초록

    Two identical tall building models with square cross-sections are experimentally studied in a wind tunnel with high-frequency-force-balance (HFFB) technique to investigate the interference effects on wind loads and dynamic responses of the interfered building. Another wind tunnel test, in which the interfered model is an aeroelastic one, is also carried out to further study the interference effects. The results from the two kinds of tests are compared with each other. Then the influences of turbulence in oncoming wind on dynamic interference factors are analyzed. At last the artificial neural networks method is used to deal with the experimental data and the along-wind and across-wind dynamic interference factor $IF_{dx}$ & $IF_{dy}$ contour maps are obtained, which could be used as references for wind load codes of buildings.


  • 주제어

    tall building .   aerodynamic interference .   HFFB technique .   aeroelastic model .   neural networks.  

  • 참고문헌 (17)

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    7. Kwok, K.C.S. (1995), "Aerodynamics of the tall buildings", A State of the Art in Wind Engineering, Ninth International Conference on Wind Engineering, New Delhi, India, 180-204. 
    8. Sakamoto, H., Haniu, H. and Obata, Y. (1987), "Fluctuating forces acting on two square prisms in a tandem arrangement", J. Wind Eng. Ind. Aerodyn., 26, 85-103. 
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    13. Bailey, P.A. and Kwok, K.C.S. (1985), "Interference excitation of twin tall buildings", J. Wind Eng. Ind. Aerodyn., 21, 323-338. 
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    15. Chinese Code for Loading on Buildings and Structures, GB50009-2001, (2002), Architectural Industry Press of China, Beijing. 
    16. Huang, P. and Gu, M. (2003), "Experimental study on aerodynamic damping of tall building after being interfered", Journal of Tongji University, 31(6), 652-656 (in Chinese) 
    17. Kareem, A. (1987), "The effect of aerodynamic interference on the dynamic response of prismatic structures", J. Wind Eng. Ind. Aerodyn., 25, 365-372. 

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