Evaluation of Seismic Response of Three Different High-Rise Multistorey Bare Frame Versus Braced Steel Frames Under Seismic Condition

Civil Engineering

Present work, the analysis has been attempts in the bare and braced frame are presented. Models of the frame are developed for multi-storey RC buildings with and without bracing systems to carry out comparative analysis of structural parameters such as base shear, lateral deformation, storey displacement, storey drift, bending moment and frequency under seismic excitation. In this work, G+10, G+15 and G+20 multistorey regular structure with six bays in the X-direction and four bays in the Z-direction has been considered. Additionally, the different types of bracing system have been considered to achieved the effect of structures. In the structure of the building the length, width and height of plan is 24 m x 16 m and 3.5 m taken for each of the storey. To obtained the accuracy and adequacy of results, initially the Seismic coefficient method has been applied in first two (bare and X- type bracing structure) case and these results compared with Response spectrum method in STAAD.Pro. Later cases are calculated from STAAD.Pro software and compared with each other

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