SEISMIC PERFORMANCE OF SHEAR WALL RETROFITTED WITH HYBRID STEEL AND FIBER REINFORCED POLYM
Sanket Patil
Mtech(Structure),Walchand college of engineering,Sangli,Maharashtra,India , IN
Prof. Prachi Sohoni
Mtech(Structure),Walchand college of engineering,Sangli,Maharashtra,India , IN
Keywords: CFRP,GFRP,shear wall,seismic loading,ANSYS
Abstract
Steel shear walls are used in high rise structures in developed countries such as USA,Germany as they provide major saving in wall thickness and weight of the building and as a result decline in foundation and inertia loads.But when buildings are subjected to seismic loading damage to steel shear walls occur.Therefore to recover the initial strength & stiffness, fibers of Carbon Fiber Reinforced Polymer(CFRP) and Glass fiber Reinforced Polymer(GFRP) can be applied to steel shear walls.This study explores the result of analytical investigation for enhancing strength by application of fiber reinforced polymers.Three Shear models of 1025mm height and 1090mm width were prepared using ANSYS software for steel,hybrid steel CFRP and hybrid steel GFRP shear wall each. In case of hybrid shear walls both Carbon and Glass fibers are applied at 450 angle to steel plate.It is found that in retrofitted models the increase in ultimate load values are up 16% and 20% for hybrid steel carbon and glass shear wall respectively.
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