Masonry walls strengthened with Textile Reinforced Mortars (TRM) and subjected to in-plane cyclic loads after real fire exposure

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Título: Masonry walls strengthened with Textile Reinforced Mortars (TRM) and subjected to in-plane cyclic loads after real fire exposure
Autor/es: Estevan, Luis | Torres, Benjamín | Baeza, F. Javier | Varona Moya, Francisco de Borja | Ivorra, Salvador
Grupo/s de investigación o GITE: Grupo de Ensayo, Simulación y Modelización de Estructuras (GRESMES) | Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura
Centro, Departamento o Servicio: Universidad de Alicante. Departamento de Ingeniería Civil
Palabras clave: TRM | Masonry | Cyclic loads | High temperature | Fire
Fecha de publicación: 25-sep-2023
Editor: Elsevier
Cita bibliográfica: Engineering Structures. 2023, 296: 116922.
Resumen: A key feature that determines the seismic performance of masonry buildings is the ability of the walls to withstand in-plane cyclic loads. In this context, Textile Reinforced Mortars (TRM) have proven to be a very suitable strengthening solution, although their effectiveness after high temperature exposure is currently practically unexplored. This paper proposes an experimental campaign with full-scale brick walls and carbon fiber TRM, tested to failure under horizontal cyclic in-plane loads, after being exposed to temperatures of about 1000 °C by exposure to real fire. TRM is applied on one or both sides of the walls, and after or before exposure to fire, to simulate different scenarios that a real building could be exposed to. The results show that high temperatures can seriously compromise the integrity of the walls, while TRM can provide effective protection and prevent cracking of masonry from fire. Even after previous fire damage, the reinforcements can double the shear strength of unreinforced damaged walls, and provide high ductility and energy dissipation capacity. However, it is important to note that TRM, even undamaged, may not be able to properly retrofit a severely fire-damaged wall.
Patrocinador/es: This research has been funded by the Spanish Ministry of Science, Innovation and Universities, grant number RTI2018-101148-B-I00.
ISSN: 0141-0296 (Print) | 1873-7323 (Online)
DOI: 10.1016/j.engstruct.2023.116922
Idioma: eng
Tipo: info:eu-repo/semantics/article
Derechos: © 2023 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (
Revisión científica: si
Versión del editor:
Aparece en las colecciones:INV - DMCIA - Artículos de Revistas
INV - GRESMES - Artículos de Revistas

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