Effect of high temperature on textile reinforced Mortar-to-masonry bond

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Title: Effect of high temperature on textile reinforced Mortar-to-masonry bond
Authors: Estevan, Luis | Baeza, F. Javier | Varona Moya, Francisco de Borja | Pereiro-Barceló, Javier
Research Group/s: Grupo de Ensayo, Simulación y Modelización de Estructuras (GRESMES) | Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil
Keywords: TRM | FRCM | Masonry | Bond | High temperature
Issue Date: 13-Jun-2023
Publisher: Elsevier
Citation: Construction and Building Materials. 2023, 393: 132123. https://doi.org/10.1016/j.conbuildmat.2023.132123
Abstract: One of the most important factors that define the effectiveness of Textile Reinforced Mortar (TRM) is their bond capacity to the substrate. This property may be compromised in case of exposure to high temperatures, although the information available on this topic is very limited at the moment. This paper analyzes the bond behavior on clay brick substrates of TRMs with carbon or glass textiles and different hydraulic lime mortar matrix. The effect of bond length and 3 levels of exposure temperature (20, 200 and 400 °C) are studied. The results show that at 200 °C the TRMs analyzed retain a significant part of their bond capacity, although textile slippage within the mortar matrix occurs and the tensile capacity of the fibers cannot be fully exploited, even if the meshes are properly anchored. At 400 °C the bond capacity may be completely lost, and debonding at the matrix-to-substrate interface may occur at very low stresses, depending on the properties of each TRM.
Sponsor: This research has been funded by the Spanish Ministry of Science, Innovation and Universities, grant number RTI2018-101148-B-100.
URI: http://hdl.handle.net/10045/135144
ISSN: 0950-0618 (Print) | 1879-0526 (Online)
DOI: 10.1016/j.conbuildmat.2023.132123
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2023 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Peer Review: si
Publisher version: https://doi.org/10.1016/j.conbuildmat.2023.132123
Appears in Collections:INV - GRESMES - Artículos de Revistas
INV - DMCIA - Artículos de Revistas

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