Parackal, Korah, and Ginger, John (2026) Wind loads on curved open canopy roofs. Australian Journal of Structural Engineering, 27 (2). pp. 123-133.

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Abstract

This paper provides the net wind pressures on a series of curved open canopy (i.e. free) roofs. Net wind pressures acting across the roof were obtained by testing two 1/50 scale model configurations in a boundary layer wind tunnel. Design data for such structures are not readily available in codes and standards. The paper determines net pressure coefficients across taps on the top and bottom surfaces of the roofs. Large net negative (outward) and positive (inward) pressures were measured at the leading edges. Net aerodynamic shape factors C<inf>shp,n</inf> are given in a form appropriate for the Australian/New Zealand wind loading standard, AS/NZS 1170.2:2021 to obtain loads for the design of cladding and the supporting structure.

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