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Vol. 53 (2012) No. 3 September n. 173


Wind Response of Horn-Shaped Membrane Roof and Proposal of Gust Effect Factor for Membrane Structure

< Table of Contents for Vol. 53 (2012) No. 3 September n. 173
  • Journal Name: Journal of the International Association for Shell and Spatial Structures (J. IASS)
  • ISSN: (Electronic Version) 1996-9015
  • ISSN: (Print Version) 1028-365X
  • Issue: Vol. 53 (2012) No. 3 September n. 173
  • Pages: 169-176
  • Title: Wind Response of Horn-Shaped Membrane Roof and Proposal of Gust Effect Factor for Membrane Structure
  • Author(s): Y. Nagai, A. Okada, N. Miyasato and M. Saitoh
  • Keywords: Membrane, Wind tunnel test, Wind pressure coefficient, Gust effect factor
Abstract
This paper reports the wind tunnel test under the turbulent boundary layer flow on the conic-shaped membrane roof, namely “horn-shaped membrane roof”. In addition, the static and the dynamic responses analyses using the data which was obtained from the wind tunnel test show stress and displacement of the membrane roof. From these studies, the authors suggest the gust effect factor for membrane structures [Gfm] as a new concept of gust effect factor. This value considers a pre-stress and form of the membrane roof to design the membrane roof. Finally, this paper indicates the example of Gfm value for the horn-shaped membrane.

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