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Evaluation of Seismic performance of R.C.C frames with different shearwall orientations: A comparative study

Provision of shearwalls is one of the most widely adopted lateral load resisting system in case of multistoried R.C.C buildings. In this study the main focus is laid on determining the most effective orientation of the shearwall system to impart adequate seismic resistance in the structure. In the present study modeling of a G+4 storied building with plan dimension 24mX18m located in zone-III has been considered. shearwalls are incorporated in the building with different peripheral and central patterns. The seismic analysis was done by using response spectrum method in STAAD pro v8i software. In this study an effort has also been made to study the variation in lateral load resisting capacity of each model with various shearwall orientations curtailed at G+2 storey. The seismic performance of each orientation is evaluated by the parameters like base shear, inter storey drift, top storey deflection, maximum nodal displacement and time period.