Effects on Concrete Filled Stainless Steel Tubular Columns Strengthened By Using GFRP Sheets – A Review
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 5
Abstract
A set of 11 concrete filled stainless steel tubular (CFSST) columns with a 100 x 45 mm rectangular cross section with 300mm long were cast using 25 MPa concrete mixture. Nine specimens were tested under different percentage (60%, 70% & 80%) of compression loading until failure. Then these existing CFST columns were retrofitted using GFRP wraps of different spacing (20mm, 60mm & without spacing) with the layer width 60mm. The structural response of CFSST columns was investigated under uniaxial compressive stresses in order to determine the effect of protection materials on ultimate load carrying capacity, axial strain and the mode of failure. The ultimate load carrying capacities of retrofitted columns were estimated. The load carrying capacity of strengthened and un-strengthened CFST columns was compared. The models fairly estimated the ultimate load carrying capacity of strengthened CFST columns after subjecting to the partial failure.
Authors and Affiliations
M. Vanitha, N. Sakthieswaran, G. Shiny Brintha, O. Ganesh Babu
Keywords
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