Textile-to-mortar bond behavior: an analytical study

A. Dalalbashi, B. Ghiassi, D.V. Oliveira

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Reliable design and application of textile-reinforced mortar (TRM) composites for the repair of existing masonry and concrete structures requires a fundamental understanding of the textile-to-mortar bond behavior as one of the main mechanisms controlling their nonlinear response and cracking behavior. Suitable test setups and analytical models are needed to extract the bond-slip laws from the experimental pull-out tests. This paper proposes a new bond-slip law and analytical model, which predicts the bond behavior of lime and cement-based TRM composites considering the slip hardening and softening effects observed in experimental tests. For this purpose, the pull-out response of experimental specimens with different fiber types (steel and glass), bond lengths, and mortar age are analyzed, and their bond slip-laws are extracted. The accuracy of the developed model is shown by comparing analytical and experimental results.
Original languageEnglish
Article number122639
Number of pages14
JournalConstruction and Building Materials
Early online date26 Feb 2021
Publication statusPublished - 3 May 2021


  • Textile reinforced mortar
  • Pull-out test
  • Analytical modeling
  • Fiber/matrix bond
  • Bond-slip law


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