ANALYSIS OF AERODYNAMIC MODIFICATIONS TO THE SHAPE OF THE TALL STRUCTURE

Civil Engineering

The structures that are man-made are bluff- bodies.During the structural analysis of a tall building, its stability under wind forces is of a major concern. Being a bluff body, the aerodynamic study plays a critical role in the determination of the principal response of a high-rise building to wind forces.The lateral loads on the buildings is plays an important role in the design of high structures. it is assume that tall buildings are symbol of power, technology, landmark of metro cities but bedside of this if care was not taken before construction of these buildings it can cause incontestable unsupportive effects on the attribute of urban life. To overcome this method several design and modification are possible.The structures response to wind depends on the wind's characteristics . In present study to minimize this impact, modification of aerodynamics action has been taken to reduced the impact of wind action on tall buildings. For this purpose fours cases has been studied, in which four different type of structural design which include cross sectional shape, stepped cross section rounded corner tapered faces for indore location .Among these approaches, an extremely important and effective design approach is aerodynamic structural modifications, including modifications of the cross-sectional form of the building and its corner designs, sculpted building tops, and horizontal and vertical openings by construction aerodynamic modification play important role for design of tall structure . wind force is a serious issue for high rise structure and it is also affect the strength and life and appearance of structure

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