Finite element analysis of rectangular reinforced concrete columns wrapped with FRP composites

Gora, Abdurra'uf Mukhtar, Jaganathan, Jayaprakash, Anwar, M.P. and Alengaram, U. Johnson (2018) Finite element analysis of rectangular reinforced concrete columns wrapped with FRP composites. In: 14th International Conference on Concrete Engineering and Technology (CONCET2018), 07-10 Aug 2018, University of Malaya, Kuala Lumpur, Malaysia. (In Press)

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Fibre reinforced polymer (FRP) wrapping of reinforced concrete (RC) columns has increasingly become the most suitable method used to strengthen and rehabilitate RC columns. It is clear that limited studies have investigated the behaviour of eccentrically loaded RC columns wrapped with FRP composites. In the present study, a three-dimensional finite element (FE) model was developed to simulate the behaviour of rectangular RC columns wrapped with glass fibre-reinforced polymer (GFRP) sheets under concentric and eccentric loading. The FE model was developed in the finite element analysis software ANSYS. The variables within the FE model are the number of GFRP layers and the magnitude of load eccentricity. The FE analysis results showed that GFRP wrapping significantly improved the performance of the strengthened columns by delaying concrete rupture. The presence of load eccentricity reduced the load carrying capacity and performance of the strengthened RC columns. The FE model correlated well with the stress distribution trends observed in the literature.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Published in: IOP Conference series: Materials and Engineering
Keywords: FRP Wrapping, RC Columns, Finite Element Simulation, Concentric and Eccentric loads
Schools/Departments: University of Nottingham, Malaysia > Faculty of Science and Engineering — Engineering > Department of Civil Engineering
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Date Deposited: 24 Aug 2018 10:04
Last Modified: 15 Nov 2018 13:50

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