Wind loads on free-standing canopy roofs

Part2 Wind force coefficients for the main wind-force resisting systems

Abstract

Wind force coefficients for the design of main wind force resisting systems of free-standing canopy roofs are proposed based on the results of a series of wind tunnel experiments. Focus is on the axial forces in the columns as the load effect, assuming that the roof is supported by four corner columns. The design wind force coefficients are provided based on a combination of the lift and moment coefficients. The proposed wind force coefficients are verified by a good agreement with the actual values producing the maximum load effect. Furthermore, it is found that the shear force in the columns is reasonably evaluated by the proposed wind force coefficients.