FRP Strains in FRP Wrapped Columns

J.F. Chen, J. Ai, T.J. Stratford

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Extensive research has been undertaken on strengthening concrete columns using FRP wraps. Recent research has extended this technique into strengthening steel tubular and concrete filled steel tubular columns. The behaviour of FRP confined concrete columns is now well understood and accurate models for both design and analysis are available. The only gap in knowledge is perhaps the lack of understanding of why the FRP failure strain in FRP wrapped columns is significantly lower than the ultimate tensile strain in a coupon test and its quantification. This paper presents a preliminary study tackling this problem.
Original languageEnglish
Title of host publicationAdvanced Composites in Construction 2007
Subtitle of host publicationACIC 2007: Proceedings of the Third International Conference, Held at the University of Bath, UK on 2nd - 4th April 2007
Number of pages9
Publication statusPublished - 2 Apr 2007
EventACIC 07 - Advanced Composites in Construction Conference 2007 - Bath, United Kingdom
Duration: 2 Apr 20074 Apr 2007


ConferenceACIC 07 - Advanced Composites in Construction Conference 2007
Country/TerritoryUnited Kingdom


  • concrete columns
  • steel tubular columns
  • strengthening
  • FRP
  • strain


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