Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/92901
Título: | Durability of bond between EBR-CFRP laminate and concrete after four years of natural outdoor and accelerated ageing exposures |
Autor(es): | Dushimimana, Aloys Sena-Cruz, José Correia, Luís Luciano Gouveia Pereira, João Miguel Cabral-Fonseca, Susana Cruz, Ricardo |
Palavras-chave: | Bond Concrete Epoxy adhesive CFRP Ageing Moisture Freeze-thaw Temperature Carbonation Airborne chlorides |
Data: | 8-Abr-2024 |
Editora: | Elsevier |
Revista: | Construction and Building Materials |
Resumo(s): | Application of carbon fibre reinforced polymer (CFRP) composites in strengthening of existing reinforced concrete (RC) structures has been widely accepted. However, the durability of adhesively bonded CFRP-concrete joint has not yet been fully investigated, which therefore paves the way to the topic addressed in this work: the durability of the joint in concrete elements strengthened with CFRP laminate using externally bonded reinforcement (EBR) technique. Concrete strengthened elements were kept in laboratory-controlled environments (approximately 20 ◦C/55 % RH, and water immersion at 20 ◦C), while others were kept outdoor to mainly promote natural ageing by carbonation, high temperatures, freeze-thaw attacks, and airborne chlorides. The results from durability tests after 4 years of exposure showed insignificant bond strength degradation but with a noticeable bond stiffness reduction, also, the stiffness degraded faster than the strength. Besides, environmental conversion factors of 0.75 and 0.95 were derived from a database of existing accelerated ageing test data and the natural ageing test data from the present work, respectively. |
Tipo: | Artigo |
URI: | https://hdl.handle.net/1822/92901 |
DOI: | 10.1016/j.conbuildmat.2024.136213 |
ISSN: | 0950-0618 |
Arbitragem científica: | yes |
Acesso: | Acesso aberto |
Aparece nas coleções: | ISISE - Artigos em Revistas Internacionais |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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IPJ-090_2024_Dushimimana_et_al_Construction and Building Materials.pdf | Paper | 14,85 MB | Adobe PDF | Ver/Abrir |
Este trabalho está licenciado sob uma Licença Creative Commons