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Title: Mechanics of debonding in FRP-plated RC beams
Authors: Teng, JG 
Chen, JF
Issue Date: 2008
Source: Structures and granular solids : from scientific Princ. to Eng. Appl. - An Int. Conf. in Celebration of the 60th Birthday of Prof. J. Michael Rotter - Proc. Int. Conf. on Structures and Granular Solids, 2008, p. 313-325 How to cite?
Abstract: Both the flexural and shear strengths of Reinforced Concrete (RC) beams can be substantially increased using externally bonded Fibre Reinforced Polymer (FRP) reinforcement in the forms of sheets/strips/plates (all referred to as plates for brevity). Failures of such FRP-plated RC beams often occur by debonding of the FRP plate from the RC beam in a number of distinct modes. This paper provides a summary of the current understanding of the mechanics of debonding failures in FRP-plated RC beams largely based on the research of the authors and their co-workers. A systematic classification of possible debonding failure modes is presented following a brief outline of the common strengthening methods. The interfacial stresses and bond behaviour between FRP and concrete are then discussed before the mechanisms and processes of debonding failures are examined. Furthermore, advanced strength models for the key debonding failure modes are presented. The paper concludes with a brief discussion of future research needs.
Description: International Conference on Structures and Granular Solids: From Scientific Principles to Engineering Applications, Scotland, 1-2 July 2008
ISBN: 9780415475945
DOI: 10.1201/9780203884447.ch29
Appears in Collections:Conference Paper

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