P SUBHASRI1 , KONDEPOGU ABHINESH2 , SHAIK ARSHAD3 , POLUDASU DEEPAK KUMAR4 03 04 In modern era construction of highrise buildings is rapidly increasing throughout the world Due to decrease of available free land and due to wide spread urban area the architects and the engineers have started developing cities vertically Recently the dia grid structural system has been widely used for tall buildings due to structural efficiency and aesthetic potential provided by triangulation of the system Compared to the conventional frame buildings having exterior vertical column dia grid structure resists the lateral loads more efficiently due to presence of inclined columns In dia grid system the lateral loads are resisted by the axial action of the inclined columns that are placed at the exterior periphery of the buildings Seismic isolation and energy dissipating systems present an effective way to common seismic design for improving the seismic performance of structures These techniques reduce the seismic forces by changing the stiffness and damping in the structures whereas conventional seismic design is required for an additional strength and ductility to resist seismic forces In the present study a 21 storied dia grid building is analyzed with in different seismic zones by using ETABS software The results like story drift story shear story bending time period model stiffness are compared for different seismic zones as response spectrum analysis Copyright (c) Journal of Science Engineering Technology and Management Science. All rights reserved 2026