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Wind & structures v.8 no.3, 2005년, pp.163 - 178  

A correlation-based analysis on wind-induced interference effects between two tall buildings

Xie, Z.N.    (State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University   ); Gu, M.    (State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University  );
  • 초록

    Wind-induced mean and dynamic interference effects of tall buildings are studied in detail by a series of wind tunnel tests in this paper. Interference excitations of several types of upwind structures of different sizes in different upwind terrains are considered. Comprehensive interference characteristics are investigated by artificial neural networks and correlation analysis. Mechanism of the wakes vortex-induced resonance is discussed, too. Measured results show significant correlations exist in the distributions of the interference factors of different configurations and upwind terrains and, therefore, a series of relevant regression equations are proposed to simplify the complexity of the multi-parameter wind induced interference effects between two tall buildings.


  • 주제어

    tall building .   interference effects .   wind load .   correlation method .   regression analysis.  

  • 참고문헌 (12)

    1. Taniike, Y. and Inaoka, H. (1988), "Aeroelastic behaviour of a tall building in wakes", J. Wind Eng. Ind. Aerodyn., 28, 317-327. 
    2. Taniike, Y. (1991), "Turbulence effect on mutual interference of buildings", J. Eng. Mech., ASCE, 117(3), 443-456. 
    3. Taniike, Y. (1992), "Interference mechanism for enhanced wind forces on neighbouring tall buildings", J. Wind Eng. Ind. Aerodyn., 41, 1073-1083. 
    4. Tschanz, T. and Davenport, A.G. (1983), "The base balance technique for the determination of dynamic wind loads", J. Wind Eng. Ind. Aerodyn., 13, 429-439. 
    5. Zhang, W.J., Kwok, K.C.S. and Xu, Y.L. (1994), "Aeroelastic torsional behaviour of tall buildings in wakes", J. Wind Eng. Ind. Aerodyn., 51, 229-249. 
    6. Bailey, P.A. and Kwok, K.C.S. (1985), "Interference excitation of twin tall buildings", J. Wind Eng. Ind. Aerodyn., 21, 323-338. 
    7. English, E.C. (1993), "Shielding factors for paired rectangular prism: an analysis of along-wind mean response data from several source", Proc. 7th US National Conf. Wind Engineering, University of California, Los Angeles, CA, USA. 
    8. English, E.C. and Fricke, F.R. (1999), "The interference index and its prediction using a neural network analysis of wind-tunnel data", J. Wind Eng. Ind. Aerodyn., 83, 567-575. 
    9. GB50009-2001 (2002), Chinese Load code for design of building structures. 
    10. Khanduri, A.C., Bedard, C. and Stathopoulos, T. (1997), "Modelling wind-induced interference effects using backpropagation neural networks", J. Wind Eng. Ind. Aerodyn., 72, 71-79. 
    11. Khanduri, A.C., Stathopoulos, T. and Bedard, C. (1998), "Wind-induced interference effects on buildings - a review of the state-of-the-art", Eng. Struct., 20(7), 617-630. 
    12. Sakamoto, H. and Haniu, H. (1988), "Aerodynamic forces acting on two square prisms placed vertically in a turbulent boundary layer", J. Wind Eng. Ind. Aerodyn., 31, 41-66. 

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