Abstract
AbstractThis paper presents the results of the experimental investigations carried out on a Modified triangle shape tall building to evaluate its aerodynamic performance of such. The purpose is to study the associated environment arising due to wind forces in isolated conditions on a building model of scale 1:300 with a prototype having 180 m height. Local peak pressure coefficients for the isolated tall building are studied by using boundary layer wind tunnel experiments. Two wind incidences, 0° and 180°, are considered for the current isolated study. From the perspective of cladding as well as structural design, the experimental findings are analyzed and presented. A higher number of critical positions facing maximum peak pressure and maximum peak suction are observed at 1800 of wind incidence as compared to that at 00 wind incidence. The highest suction at 180° wind incidence is −1.25, which is nearly 36% stronger than the highest suction at 0° wind incidence (−0.92). The maximum fluctuation between maximum peak pressure (0.85) and minimum peak pressure (−0.85) is observed at Face-I of 180° of wind incidence. Due to the difference in the direction of wind incidence, the test results showed significant variations in the related wind environment around the building model. Isolated wind incidence condition at 180° is critical as compared to 0° wind incidence.KeywordsTall buildingsPeak pressure coefficientTurbulenceSuctionVortex
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