Effect of Confinement on the Axial Performance of Fibre Reinforced Polymer Wrapped RC Column
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Copyright: © 2020 A. Rajasekaran, P.N. Raghunath and K. Suguna. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
The combined effect of internal steel ties and external FRP wrap was investigated using nine reinforced concrete columns with varying thickness of external wrap. The load, deflection and lateral expansions were studied at yield state and ultimate state. The results from the experimental investigations were used for performing a multi-variate linear regression analysis incorporating the contribution of tie spacing as a term. The predictions of the regression equation agreed well with the experimental results and showed sensitive difference in compressive strength for changes in tie spacing.
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- Fibre reinforced polymer
- axial performance, reinforced concrete column