In India in particular, cases of wind (esp. cyclone) and earthquake damage have been escalating rapidly, which requires counter measures in terms of earthquake and wind resistant design of buildings. While the Indian Standards provide a method for calculation of wind and earthquake loads respectively, very little indigenous data exists in terms of research and analysis of design solutions in the field – particularly a design which can offer combined resistance to both forces. The rapid increase of urban population in developing states such as Andhra Pradesh has forced the reevaluation of the importance to high rise buildings. In the present study therefore, two cities Vijayawada and Visakhapatnam are selected, and their geographical parameters (in terms of earthquake and wind) is studied. A residential high rise building with single modification in building shape is designed and tested in the conditions of each of these cities using computational tool. Wind loads acting on the building are studied by the probabilistic and static method based on the concept of equivalent static wind load. Wind produces the three different types of effects on tall buildings such as static, dynamic and aerodynamic. The wind load effect the high-rise structures displacement in the windward and leeward direction. Earthquake loads acting on the building are studied by the response spectrum and equivalent static force methods. The suitability of three different types of building configurations are assessed with suitable usage of lateral load resisting systems.
Keywords : Wind, Earthquake, Highrise Structures, Staad Pro.