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Keywords: carbon fibre reinforced polymer, taper, debonding, finite element model.

Summary

The use of fibre reinforced polymer (FRP) as structural reinforcement is gaining more and more interest in construction practice. This research was conducted to investigate the behaviour of rectangular reinforced concrete beams retrofitted by carbon fibre reinforced polymer (CFRP) at the bottom of these beams. The numerical model considering material nonlinearities which was developed and verified against experimental works in Obaidat et al. was used in this study. This model showed good agreement between the finite element model results and the experimental results. The influences of taper end CFRP length were investigated by numerical analyses. The effect of the number of layers keeping the total thickness constant is studied; namely, a beam with two CFRP plates and a beam with three plates and having a total thickness of 1.2 mm. The results of the parametric study indicate that for taper end CFRP there is a threshold for the contribution of the CFRP plates. The effect of the number of layers keeping the total thickness constant has no influence on the load capacity of the strengthened beam using CFRP.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 102 PROCEEDINGS OF THE FOURTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: Paper 178 Influence of Taper End FRP on Retrofitted Beam Behaviour Y.T. Obaidat Department of Civil Engineering Faculty of Hijjawi for Engineering Technology Yarmouk University, Irbid, Jordan doi:10.4203/ccp.102.178 purchase the full-text of this paper Full Bibliographic Reference for this paper Y.T. Obaidat, "Influence of Taper End FRP on Retrofitted Beam Behaviour", in , (Editors), "Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 178, 2013. doi:10.4203/ccp.102.178 Keywords: carbon fibre reinforced polymer, taper, debonding, finite element model. Summary The use of fibre reinforced polymer (FRP) as structural reinforcement is gaining more and more interest in construction practice. This research was conducted to investigate the behaviour of rectangular reinforced concrete beams retrofitted by carbon fibre reinforced polymer (CFRP) at the bottom of these beams. The numerical model considering material nonlinearities which was developed and verified against experimental works in Obaidat et al. was used in this study. This model showed good agreement between the finite element model results and the experimental results. The influences of taper end CFRP length were investigated by numerical analyses. The effect of the number of layers keeping the total thickness constant is studied; namely, a beam with two CFRP plates and a beam with three plates and having a total thickness of 1.2 mm. The results of the parametric study indicate that for taper end CFRP there is a threshold for the contribution of the CFRP plates. The effect of the number of layers keeping the total thickness constant has no influence on the load capacity of the strengthened beam using CFRP. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £65 +P&P)
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