Comparison between TRC and CFRP as external reinforcement for plain concrete beams

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

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43 Downloads (Pure)

Abstract

Strengthening and repairing existing structures is often more economical and sustainable than demolishing and afterwards rebuilding them. Concrete structures can be strengthened using high performance glass fibre Textile Reinforced Cements (TRC) as an external reinforcement. Until now no evaluation of the cracking behaviour of this system with respect to the established technique of CFRP strips is reported. This paper presents the experimental comparison between both techniques, based on four point bending tests with third point loading, where the crack pattern evolution is monitored with Digital Image Correlation (DIC). A wider TRC external reinforcement retrains the high initial stiffness up to a higher load and reduces the crack widths in comparison with the CFRP solution, designed to meet an equal failure load. These advantages can be attributed to the crack bridging capacity of the external reinforcement.
Original languageEnglish
Title of host publicationProceedings of the International Conference on Composite Materials ICCM19
Pages2252-2261
Number of pages9
Publication statusPublished - Jul 2013
Eventthe International Conference on Composite Materials - Montreal, Canada
Duration: 28 Jul 20132 Aug 2016

Conference

Conferencethe International Conference on Composite Materials
Abbreviated title ICCM19
Country/TerritoryCanada
CityMontreal
Period28/07/132/08/16

Keywords

  • external reinforcement
  • CFRP
  • textile reinforced cement
  • TRC
  • bending test

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