Flax fabric-reinforcement lime composite as a strengthening system for masonry materials: study of adhesion
2023
Rakhsh Mahpour, Ali | Claramunt Blanes, Josep | Ardanuy Raso, Mònica | Rosell Amigó, Juan Ramón | Universitat Politècnica de Catalunya. Doctorat en Tecnologia de l'Arquitectura, de l'Edificació i de l'Urbanisme | Universitat Politècnica de Catalunya. Departament d'Enginyeria Agroalimentària i Biotecnologia | Universitat Politècnica de Catalunya. Departament de Ciència i Enginyeria de Materials | Universitat Politècnica de Catalunya. Departament de Tecnologia de l'Arquitectura | Universitat Politècnica de Catalunya. TECTEX - Grup de Recerca en Tecnologia Tèxtil | Universitat Politècnica de Catalunya. GICITED - Grup Interdiciplinari de Ciència i Tecnologia en l'Edificació
The present study was designed to investigate the bond mechanism between flax nonwoven fabric reinforced lime mortars and four different types of masonry stones. The researchers carried out a comprehensive characterization of the mortars and stones, and analyzed the interface between these materials based onbondextensionandflexuralstrength.Theresultsshowedthatbondstrengthvalues were directly related to adherence extension, which was dependent on surface treatment (such as water, lime, and latex). The flexural tests conducted on stones strengthened with the flax nonwoven fabric reinforced lime composite revealed that the latex treatment showed the best performance. This study provides preliminary evidence that the use of flax nonwoven fabric reinforced lime composite maybeaneffective method for masonry strengthening. However, further research is necessary to reach a comprehensive conclusion. Further studies may include an investigation of the effects of different types of latex, the influence of curing conditions on bond strength, and the long-term performance of the strengthening system. The results of this research may have important implications for the conservation and strengthening of historic masonry structures, as well as for the design of new masonry constructions.
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