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Retrofitting of reinforced concrete beams using composite laminates

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Author

Summary, in English

This paper presents the results of an experimental study to investigate the behaviour of structurally damaged full-scale reinforced concrete beams retrofitted with CFRP laminates in shear or in flexure. The main variables considered were the internal reinforcement ratio, position of retrofitting and the length of CFRP. The experimental results, generally, indicate that beams retrofitted in shear and flexure by using CFRP laminates are structurally efficient and are restored to stiffness and strength values nearly equal to or greater than those of the control beams. It was found that the efficiency of the strengthening technique by CFRP in flexure varied depending on the length. The main failure mode in the experimental work was plate debonding in retrofitted beams. (C) 2010 Elsevier Ltd. All rights reserved.

Publishing year

2011

Language

English

Pages

591-597

Publication/Series

Construction and Building Materials

Volume

25

Issue

2

Document type

Journal article review

Publisher

Elsevier

Topic

  • Mechanical Engineering

Keywords

  • Carbon fibre reinforced plastic (CFRP)
  • Strengthening
  • Retrofitting
  • Laminate
  • Reinforced concrete beam
  • Flexure
  • Debonding

Status

Published

ISBN/ISSN/Other

  • ISSN: 0950-0618