Control of Corrosion-Induced Damage in Reinforced Concrete Beams Using Carbon Fiber-Reinforced Polymer Laminates
Publication: Journal of Composites for Construction
Volume 9, Issue 2
Abstract
This paper presents the results of an experimental study conducted to investigate the effect of carbon fiber-reinforced polymer (CFRP) confinement on the cracking damage induced by impressed current-accelerated corrosion of reinforced concrete beams. The beams were deep by wide by long. Two different corrosion configurations, namely uniform and shear-span corrosion, were investigated in eight specimens at three different degrees of corrosion (5, 10, and 15% theoretical mass loss). Uniform corrosion along the whole length of the beams and shear-span corrosion ( from each beam end) were considered. The different degrees of corrosion were induced using an accelerated corrosion technique with an impressed current. Based on the results, it was concluded that CFRP laminate confinement reduces corrosion expansion by up to 70% and slows the rate of corrosion through decreasing the corrosion mass loss by up to 35%.
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Acknowledgments
The writers acknowledge the structural technicians at the University of Waterloo who have helped at various stages of this work. Special thanks go to Prof. A. Chahrour for his comments and review. The Saudi Arabian Cultural Bureau in Canada is greatly acknowledged for the funding, and the CFRP material donated by Sika-Canada is also greatly acknowledged.
References
American Concrete Institute (ACI). (1999). “Building code requirements for structural concrete.” ACI 318-99, Detroit.
ASTM. (2002). “Standard practice for preparing, cleaning and evaluating corrosion test specimens.” G 1-90, West Conshohocken, Pa.
Bentur, S., Diamond, S., and Berke, N. S. (1997). Steel corrosion in concrete: Fundamental and civil engineering practice, E&FN Spon, London.
Bickley, J. A., Neale, K. W., and Fabbruzzo, G. (1993). Market potential and identification of suppliers of advanced industrial materials for construction of bridges and other structures, I–II, Industry, Science and Technology Canada, Ottawa, Ontario.
Bonacci, J. F., and Maalej, M. (2000). “Externally bonded fibre reinforced polymer for rehabilitation of corrosion damaged concrete beams.” ACI Struct. J., 97(5), 703–711.
Canadian Standards Association (CSA). (1994). “Design of concrete structures.” CSA-A23.3, Rexdale, Ontario, Canada.
Comité Euro-International du Béton (CEB). (1989). Durable structures—CEB design guide, Thomas Telford, London.
Craig, B. C. (2002). “Confining effects of FRP laminates on corroded concrete members.” MASc thesis, Univ. of Waterloo, Ontario, Canada.
El Maaddawy, T., and Soudki, K. (2003). “Effectiveness of impressed current technique to simulate corrosion of steel reinforcement in concrete.” J. Mater. Chem., 15(1), 41–47.
Jones, D. A. (1996). Principles and preventing of corrosion, 2nd Ed., Prentice Hall, Upper Saddle River, N.J.
Klaiber, F. W., Dunker, K. F., Wipf, T. J., and Sanders, W. W. (1987). “Methods of strengthening existing highway bridges.” NCHRP Research Rep. No. 293, Transportation Research Board, Washington, D.C.
Lee, H. S., Tomosawa, F., Masuda, Y., and Kage, T. (1997). “Effect of CFRP sheets on flexural strengthening of RC beams damaged by corrosion of tension rebars.” 3rd Int. Symp. on Non-Metallic (FRP) Reinforcement for Concrete Structures, Vol. 1, 435–442. Sage, Thousand Oaks, Calif.
Masoud, S. (2002). “Behaviour of corroded reinforced concrete beams repaired with FRP sheets under monotonic and fatigue Loads.” PhD thesis, Univ. of Waterloo, Ontario, Canada.
Masoud, S., Soudki, K., and Topper, T. (2001). “CFRP-strengthened and corroded RC beams under monotonic and fatigue loads.” J. Compos. Constr., 5(4), 228–236.
Sherwood, T. (2000). “Behaviour of corroded reinforced concrete beams strengthened with CFRP laminates.” MASc thesis, Univ. of Waterloo, Ontario, Canada.
Soudki, K., and Sherwood, T. (2000). “Behaviour of reinforced concrete beams strengthened with carbon fibre reinforced polymer laminates subjected to corrosion damage.” Can. J. Civ. Eng., 5, 1005–1010.
Information & Authors
Information
Published In
Journal of Composites for Construction
Volume 9 • Issue 2 • April 2005
Pages: 195 - 201
Copyright
© 2005 ASCE.
History
Received: Nov 10, 2003
Accepted: Mar 1, 2004
Published online: Apr 1, 2005
Published in print: Apr 2005
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