STRUCTURAL PERFORMANCE BASED ON FRICTION AND VISCO-ELASTIC DAMPERS USED FOR MULTY-STOREY BUILDING USING ETABS.

Structural Engineering, Civil Engineering

ABSTRACT Vibration of ground surface due to rapid release of energy from earth’s litho sphere gives rise to seismic waves and the phenomenon is called earthquake. At the time of earthquake huge amount of energy applied on multi-story building and the building is damaged and also large deformation is occurred. The increasing growth of infrastructure incurs huge capital investments and big segment of society served by way of them; it's miles vital to cause them to safer against seismic attacks. Dampers are the energy dissipating devices which additionally control displacement of RC structures during earthquake time. These dampers help the structure to control the buckling of columns and beams and also help to increase the stiffness of structure. The current study deals with the comparison of 3 different cases of building models using ETABS in a G+10 multi-story building located in zone 3 as per IS1893-2016(part 1). The structure is designed as per IS 456-2000 and seismic analysis is conducted by using dynamic analysis like response spectrum and non-linear time history analysis for without dampers and with Friction and Viscoelastic dampers. For earthquake analysis Northridge earthquake data has been taken from PEER and analyzed. The response of the building is discussed in terms of absolute displacement and storey shear. It is concluded that displacement and storey shear are high in multi-story building without dampers as compared to building with dampers.

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