The present study gives information related to wind pressure distribution on single span and multi span circular canopy roofs. The experiments are carried out in an open circuit boundary layer wind tunnel. Wind pressure is measured on both upper and lower roof surfaces of circular canopy roof model made of Perspex sheet. Models are tested under varying wind incidence angles between 0° and 90° at an interval of 15° on isolated model and 0° to 180° at an interval of 30° on models with multi-span canopy roof. Values of mean wind pressure coefficients are evaluated from the measured values of wind pressures. Results of the study are presented in the form of contours, cross sectional variation and face average values of pressure coefficients. The results of the study are of great use for the structural designers for designing circular canopy roofs.
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