Wind and Structures

  • 제30권3호
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  • Pages.299-316
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  • 2020
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Wind pressures on a large span canopy roof

  • Rizzo, Fabio (Department of Engineering and Geology, University "G. d'Annunzio" di Chieti-Pescara) ;
  • Sepe, Vincenzo (Department of Engineering and Geology, University "G. d'Annunzio" di Chieti-Pescara) ;
  • Ricciardelli, Francesco (Department of Engineering, University of Campania "Luigi Vanvitelli") ;
  • Avossa, Alberto Maria (Department of Engineering, University of Campania "Luigi Vanvitelli")
  • 투고 : 2019.04.23
  • 심사 : 2020.01.05
  • 발행 : 2020.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

Based on wind tunnel tests, this paper investigates the aerodynamic behavior of a large span canopy roof with elliptical plan and hyperbolic paraboloid shape. The statistics of pressure coefficients and the peak factor distributions are calculated for the top and bottom faces of the roof, and the Gaussian or non-Gaussian characteristics of the pressure time-histories in different areas of the roof are discussed. The cross-correlation of pressures at different positions on the roof, and between the top and bottom faces is also investigated. Combination factors are also evaluated to take into account the extreme values of net loads, relevant to the structural design of canopies.

키워드

과제정보

Prof. Piero D'Asdia (University "G. d'Annunzio" of Chieti-Pescara, Italy) is acknowledged for his support and guidance in the testing phase. Dr. Sara Giangreco is also acknowledged for her collaboration to the design of the canopy model and to the experimental campaign. Prof. Michele Barbato of the University of California Davis (USA) is acknowledged for some valuable discussion about non-Gaussian processes.

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