Recommendation of RILEM Technical Committee 250-CSM: Test method for Textile Reinforced Mortar to substrate bond characterization |
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| Authors: | Gianmarco de Felice Maria Antonietta Aiello Carmelo Caggegi Francesca Ceroni Stefano De Santis Enrico Garbin Natalino Gattesco ?ukasz 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 |
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| Affiliation: | 1.Roma Tre University,Rome,Italy;2.University of Salento,Lecce,Italy;3.Université Claude Bernard Lyon 1,Lyon,France;4.University of Naples Parthenope,Naples,Italy;5.University of Padova,Padua,Italy;6.University of Trieste,Trieste,Italy;7.Cracow University of Technology,Cracow,Poland;8.University of Naples Federico II,Naples,Italy;9.University of Bologna,Bologna,Italy;10.University of Minho,Guimar?es,Portugal;11.University of Patras,Patras,Greece;12.Politecnico di Milano,Milan,Italy;13.University of Chieti-Pescara G D’Annunzio,Pescara,Italy |
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| Abstract: | 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. |
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