Wind Load Analysis of a Tall Structure with Sharp and Corner Cut Edges

Abstract

The massive wind load is always harmful to tall building structure, especially the structure which has sharp edges. The separation of wind near the sharp edge creates local effects around the neighbor faces of the building and also creates enormous damage on that region. The present study illuminated the pressure variation around the sharp edge setback and corner cut setback tall building models. The models are inducted inside the computational domain and simulated with different wind angles. One model has a sharp edge corners and other models has a corner cut at the bottom part of setback zone and rounder corner at top part of setback zone. The considerable amount of pressure, drag and lift variation has been detected for across- and along-wind consideration. The tremendous amount of pressure fluctuation observed at corner cut region. The local pressure recognized on the wall due to sharp edges for the sharp edge model. However, the local pressure is minimized by the use of rounded edges at the top portion of the setback. The drag and lift coefficient decrease with the decrease of sharpness of edges. The study tries to catch the minimum local pressure due to corner cut edges of the tall building model.