Analysis and Design of Tall Building (G+21) Using ETABS

Abstract

Humans has started rising higher due to lace in horizontal space, Building taller structures has become a common trend. But as this vertical limit is pushed the risk factor increase. Skyscraper has to be analysed for various loads to provide safety. Behaviour of a structure is most critical during earthquake thus it is important to analyse a structure for seismic resistance. Earthquake is an unpredictable hazard having power to bring a high raised structure to ground. Thus it is important to analysis a structure for seismic force. Seismic coefficient method can be used to analyse small and medium height structure up to 40m. It is a simple method of analysis and required less calculation. The behaviour of a structure depends critically on overall shape, size and geometry. As an asymmetrical structure behave more critically during earthquake as compared to a symmetrical structure. A study on the behaviour of symmetrical RC building during earthquake is done to understand different in seismic loading and difference in behaviour due to different shape. A 21 storey building with height of each floor 3m having different shape as symmetrical shape analyses by seismic method with the help of ETABS software.