SEISMIC ANALYSIS OF LATERAL FORCE RESISTING SYSTEM FOR TALL BUILDINGS

CIVIL ENGINEERING

In recent years of construction, high rise buildings are widely increased due to highly increasing land cost and scarcity of land in the metropolitan cities. High rise structures are sensitive to wind and earthquake forces. Behavior of these structures can be controlled effectively by lateral force resisting systems, which increases stiffness of building. Although at present computer technology allows for more precise analysis and design of different structural systems for high rise buildings. The enhancement in the performance of the building is studied under earthquake loads by installing lateral force resisting systems, like shear walls and bracing system. In the present paper, shear wall and bracing systems were applied at various positions of the building. Modeling and analysis was carried out using ETABS 9.7.2. From the observations it is seen that all the proposed arrangements provided improve the structural performance of the building in controlling top story displacement, base shear and story drift.

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