Recommendation of RILEM Technical Committee 250-CSM: Test method for Textile Reinforced Mortar to substrate bond characterization

Gianmarco de Felice, Maria Antonietta Aiello, Carmelo Caggegi, Francesca Ceroni, Stefano De Santis, Enrico Garbin, Natalino Gattesco, Łukasz Hojdys, Piotr Krajewski, Arkadiusz Kwiecień, Marianovella Leone, Gian Piero Lignola, Claudio Mazzotti, Daniel Oliveira, Corina Papanicolaou, Carlo Poggi, Thanasis Triantafillou, Maria Rosa Valluzzi, Alberto Viskovic

Research output: Contribution to journalArticlepeer-review


Textile Reinforced Mortar (TRM), also known as Fabric Reinforced Mortar or Fabric Reinforced Cementitious Matrix, composites are an emerging technology for the external repair and strengthening of existing structures. For most applications, the effectiveness of the TRM reinforcement relies on its bond performance. This recommendation identifies the best practice to characterize the bond behaviour of TRM. A shear bond test method is proposed to determine the peak axial stress (associated with the maximum load that can be transferred from the structural member to the externally bonded TRM reinforcement), the stress–slip relationship and the failure mode that controls the TRM-to-substrate load transfer capacity. Guidelines on specimen manufacturing, experimental setup, test execution, and determination of test results are provided.

Original languageEnglish (US)
Article number95
JournalMaterials and Structures/Materiaux et Constructions
Issue number4
StatePublished - Aug 1 2018


  • Fabric Reinforced Cementitious Matrix (FRCM)
  • Fabric Reinforced Mortar (FRM)
  • Single-lap shear bond test
  • Steel Reinforced Grout (SRG)
  • Stress–slip relationship

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • General Materials Science
  • Mechanics of Materials


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