Comparison of Seismic Analysis of Multi storey Buildings with RCC columns and CFST columns by Varying Heights

Abstract As there is an increase in population day by day, more requirement for land. But the availability of land on Earth’s surface 29 % which should be used various purposes and hence, would difficulty providing accommodation to all citizens. There comes idea vertical development structures i.e., multi-story structures. Usage Reinforced Cement Concrete (RCC) high rise with large spans very complex as it requires grade concrete steel hence becomes risky. In that case, composite give effective results due co-action materials. Providing Filled Steel Tube (CFST) columns will reduce formwork functional area tube acts both longitudinal well transverse reinforcement gives mere resistance tensile stresses. this thesis, Multi Storied Structures G+10, G + 20 30 were taken variation was considered columns, rest structural elements have been RCC only. The seismic analysis has carried out type each height using Response Spectrum Zone II following guidelines IS 1893:2016 code ETABS software. comparison shown terms earthquake response parameters such story drift, displacement, shear etc. It concluded CFST better performance increasing compared