WIND ANALYSIS OF TALL BUILDING

Abstract

Tall building is an emerging construction practice in Indian metropolitan cities due to large urbanization. The design criteria for tall buildings are different than low and mid-rise buildings. In tall buildings usually, the wind is the critical load that needs to be considered for the safety and serviceability of the structure. Any tall building can vibrate and oscillate in both the directions due to along-wind and across-wind. These oscillations may even cause discomfort to the occupants even if it is not in a threatening position for the structural damage. So, an accurate assessment of building motion is an essential prerequisite for serviceability. National building code and other Indian standard codes are not sufficient to adequately address various issues related to tall buildings. Recently, IS 16700: 2017 “Criteria for Structural Safety of Tall Concrete Buildings” is released by BIS for tall concrete buildings. This Work deals with the detailed wind analysis of 180m tall building as per IS 16700: 2017. In which wind tunnel studies will be carried out on a scaled-down model of a proposed tall building. This wind tunnel studies have also been compared with the responses computed analytically and also check and satisfy all the criteria as per this code.