Bonded cfrp/steel systems, remedies of bond degradation and behaviour of CFRP repaired steel: An overview

Daniel Borrie, Saad Al‐saadi, Xiao Ling Zhao, R. K. Singh Raman, Yu Bai

Research output: Journal article publicationReview articleAcademic researchpeer-review

16 Citations (Scopus)


This literature review has examined the use of FRP composite materials as a potential retrofitting technique for civil structures. Importantly, the various material properties, bond mech-anisms, durability issues and fatigue resistance have been discussed. Studies exploring the performance of CFRP repaired steel have strongly indicated its potential as a rehabilitation material. These systems offer many improvements over the current bulky and less chemically resistant methods of bolting or welding steel plate patches. This review has established and highlighted the factors that affect CFRP/steel bond durability, namely surface preparation, curing, corrosion, fatigue loading, temperature and moisture ingress through studies that focus on their effect. These studies, however, often focus on a single influencing factor or design criteria. Only limited studies have investigated multiple parameters applied simultaneously, even though they commonly occur together in indus-trial practice. This review aimed to summarise the numerous influencing parameters to give a clearer understanding of the relevance of CFRP repaired steel structures.

Original languageEnglish
Article number1533
Issue number9
Publication statusPublished - 1 May 2021
Externally publishedYes


  • Bond behaviour
  • CFRP
  • Failure modes
  • Steel

ASJC Scopus subject areas

  • General Chemistry
  • Polymers and Plastics


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