Aging of lime-based TRM composites under natural environmental conditions
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
Texto Completo: | https://hdl.handle.net/1822/78116 |
Resumo: | Textile-reinforced mortar (TRM) composites, composed of textile fibers embedded in an inorganic matrix, have been found to be a sustainable solution for strengthening of existing masonry and concrete structures. Despite the extensive recent attention in understanding the mechanical performance of these composite, their long-term performance and durability remain basically unknown. To address this gap, this paper presents a comprehensive experimental and analytical study on the changes in the mechanical response of these composites across scales (from material characterization to bond and tensile tests of TRM composites) under indoor and outdoor conditions. For this purpose, steel and glass fibers with lime-based mortar are used to investigate the pull-out response and the tensile behavior of TRM composites. The results show that the long-term behavior of TRM composites for different ages is significantly dependent on the mortar and fiber combination and, therefore, can change notably between different TRM solutions. It is also observed that lime-based TRMs cannot reach their full mechanical properties under indoor conditions even after 3 years. Outdoor conditions lead to better curing of the samples and achieving significantly higher mechanical properties in these composites. However, it can also lead to a significant deterioration at later ages. |
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Aging of lime-based TRM composites under natural environmental conditionsTRM/FRCMFiber/matrix bondTensile behaviorDurabilityAgingLong-term behaviorEngenharia e Tecnologia::Engenharia CivilScience & TechnologyTextile-reinforced mortar (TRM) composites, composed of textile fibers embedded in an inorganic matrix, have been found to be a sustainable solution for strengthening of existing masonry and concrete structures. Despite the extensive recent attention in understanding the mechanical performance of these composite, their long-term performance and durability remain basically unknown. To address this gap, this paper presents a comprehensive experimental and analytical study on the changes in the mechanical response of these composites across scales (from material characterization to bond and tensile tests of TRM composites) under indoor and outdoor conditions. For this purpose, steel and glass fibers with lime-based mortar are used to investigate the pull-out response and the tensile behavior of TRM composites. The results show that the long-term behavior of TRM composites for different ages is significantly dependent on the mortar and fiber combination and, therefore, can change notably between different TRM solutions. It is also observed that lime-based TRMs cannot reach their full mechanical properties under indoor conditions even after 3 years. Outdoor conditions lead to better curing of the samples and achieving significantly higher mechanical properties in these composites. However, it can also lead to a significant deterioration at later ages.This work was partly financed by FEDER funds through the Competitivity Factors Operational Program (COMPETE) and by national funds through the Foundation for Science and Technology (FCT) within the scope of the project POCI-01-0145-FEDER-007633. The support to the first author through grant SFRH/BD/131282/2017 is acknowledged. Besides, the authors would like to thank the Kerakoll Company for supplying the GeoCalce Fino mortar as well as GeoSteel G600 fibers.ElsevierUniversidade do MinhoEsfahani, Ali DalalbashiGhiassi, BahmanOliveira, Daniel V.2021-022021-02-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/1822/78116eng0950-061810.1016/j.conbuildmat.2020.121853121853https://www.sciencedirect.com/science/article/pii/S0950061820338575?via%3Dihubinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:24:02Zoai:repositorium.sdum.uminho.pt:1822/78116Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:17:54.694440Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse |
dc.title.none.fl_str_mv |
Aging of lime-based TRM composites under natural environmental conditions |
title |
Aging of lime-based TRM composites under natural environmental conditions |
spellingShingle |
Aging of lime-based TRM composites under natural environmental conditions Esfahani, Ali Dalalbashi TRM/FRCM Fiber/matrix bond Tensile behavior Durability Aging Long-term behavior Engenharia e Tecnologia::Engenharia Civil Science & Technology |
title_short |
Aging of lime-based TRM composites under natural environmental conditions |
title_full |
Aging of lime-based TRM composites under natural environmental conditions |
title_fullStr |
Aging of lime-based TRM composites under natural environmental conditions |
title_full_unstemmed |
Aging of lime-based TRM composites under natural environmental conditions |
title_sort |
Aging of lime-based TRM composites under natural environmental conditions |
author |
Esfahani, Ali Dalalbashi |
author_facet |
Esfahani, Ali Dalalbashi Ghiassi, Bahman Oliveira, Daniel V. |
author_role |
author |
author2 |
Ghiassi, Bahman Oliveira, Daniel V. |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade do Minho |
dc.contributor.author.fl_str_mv |
Esfahani, Ali Dalalbashi Ghiassi, Bahman Oliveira, Daniel V. |
dc.subject.por.fl_str_mv |
TRM/FRCM Fiber/matrix bond Tensile behavior Durability Aging Long-term behavior Engenharia e Tecnologia::Engenharia Civil Science & Technology |
topic |
TRM/FRCM Fiber/matrix bond Tensile behavior Durability Aging Long-term behavior Engenharia e Tecnologia::Engenharia Civil Science & Technology |
description |
Textile-reinforced mortar (TRM) composites, composed of textile fibers embedded in an inorganic matrix, have been found to be a sustainable solution for strengthening of existing masonry and concrete structures. Despite the extensive recent attention in understanding the mechanical performance of these composite, their long-term performance and durability remain basically unknown. To address this gap, this paper presents a comprehensive experimental and analytical study on the changes in the mechanical response of these composites across scales (from material characterization to bond and tensile tests of TRM composites) under indoor and outdoor conditions. For this purpose, steel and glass fibers with lime-based mortar are used to investigate the pull-out response and the tensile behavior of TRM composites. The results show that the long-term behavior of TRM composites for different ages is significantly dependent on the mortar and fiber combination and, therefore, can change notably between different TRM solutions. It is also observed that lime-based TRMs cannot reach their full mechanical properties under indoor conditions even after 3 years. Outdoor conditions lead to better curing of the samples and achieving significantly higher mechanical properties in these composites. However, it can also lead to a significant deterioration at later ages. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-02 2021-02-01T00:00:00Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://hdl.handle.net/1822/78116 |
url |
https://hdl.handle.net/1822/78116 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
0950-0618 10.1016/j.conbuildmat.2020.121853 121853 https://www.sciencedirect.com/science/article/pii/S0950061820338575?via%3Dihub |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação instacron:RCAAP |
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Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
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RCAAP |
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RCAAP |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
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Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) |
repository.name.fl_str_mv |
Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação |
repository.mail.fl_str_mv |
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1799132633194561536 |