Seismic Response Of Reinforced Structures Retrofitted With FV Dampers
Investigates the seismic behavior of strucuture using damping devices in Shear Wall cut outs
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The present study investigates the seismic behavior of multi storey building using damping devices strategically located within the lateral load resisting elements. It concentrates on a retrofitting strategy with passive energy dissipation device known as Fluid Viscous Damper (FVD) which will be applicable to new design as well as retrofitting existing buildings to ensure seismic safety by fitting damping devices which can transform a wall panel into a damping element. The first study involves analysis of a nine storey model having cut outs and the use of the dampers of different configuration...
The present study investigates the seismic behavior of multi storey building using damping devices strategically located within the lateral load resisting elements. It concentrates on a retrofitting strategy with passive energy dissipation device known as Fluid Viscous Damper (FVD) which will be applicable to new design as well as retrofitting existing buildings to ensure seismic safety by fitting damping devices which can transform a wall panel into a damping element. The first study involves analysis of a nine storey model having cut outs and the use of the dampers of different configuration in these structures. The second study involves the use the diagonal brace configuration dampers provided in the cut out sections of 2D 9, 18, 27 storey structures and 3D 27 storey with core wall structure at three consecutive storey levels each. For the second study the cut out locations are varied depending on their relative positions. The relative position is the ratio of total height of the structure to the upper edge of topmost cut-out. These structures were initially modelled and time history analysis was performed on the structure without FVD and the structure retrofitted with FVD.
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