Wind loads on free-standing canopy roofs<br>Part 3 Validity and application of the proposed wind force coefficients

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  • UEMATSU Yasushi
    New Industry Creation Hatchery Center, Tohoku University
  • IIZUMI Eri
    Boundary Layer Wind Tunnel Laboratory, The University of Western Ontario
  • STATHOPOULOS Theodore
    Department of Building, Civil and Environmental Engineering, Concordia University

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  • 独立上屋の風荷重に関する研究：その３　　提案した風力係数の妥当性と適用性
  • ドクリツ ウワヤ ノ カゼカジュウ ニ カンスル ケンキュウ ソノ 3 テイアン シタ フウリョク ケイスウ ノ ダトウセイ ト テキヨウセイ
  • Wind loads on free-standing canopy roofsPart 3 Validity and application of the proposed wind force coefficients

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In the previous paper (Part 2), we proposed a set of wind force coefficients for designing free-standing canopy roofs, based on a series of wind tunnel experiments. The wind force coefficients for three types of roof geometries, i.e. gable, troughed and mono-sloped, were derived from a combination of the lift and aerodynamic moment coefficients. Assuming that four corner columns supported the roof, the axial forces induced in the columns were regarded as the most important load effect. The present paper investigates the validity and application of the proposed wind force coefficients. First, the coefficients are compared with the results of the LRC method. Then, it is discussed if the coefficients can be applied to the other roof supporting systems, for example, when two center or edge columns support the roof.

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