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Probabilistic Analysis of High Strength Concrete Girders Strengthened with CFRP

2014-07Conference paper Open access
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datacite.subject.fosEngenharia e Tecnologia::Outras Engenharias e Tecnologias
dc.contributor.authorGomes, S.
dc.contributor.authorNeves, L.
dc.contributor.authorDias-da-Costa, D.
dc.contributor.authorJúlio, E.
dc.contributor.authorFernandes, Paulo
dc.date.accessioned2025-07-07T10:22:54Z
dc.date.available2025-07-07T10:22:54Z
dc.date.issued2014-07
dc.description.abstractThe strengthening or upgrading of reinforced concrete girders with carbon fiber reinforced polymer (CFRP) composites has become a common procedure in the last years. However, the lack of standards or codes proposed within the same design philosophy of the Eurocode, and which are capable of assuring an adequate confidence level for the CFRP as for steel or concrete, often implies that the safety of prestressed girders strengthened with CFRP has to be evaluated using probabilistic tools. This manuscript presents a reliability study of a Portuguese prestressed high strength concrete (HSC) girder strengthened with CFRP. The selected bridge is representative of what has been constructed in Portuguese highways during the last two decades. First, the reliability level and the importance of design and load variables are computed using the following two codes: Portuguese RSA (1983) and European EC1 (2002). Next, partial safety factors are determined for the CFRP. © 2014 American Society of Civil Engineers.eng
dc.identifier.citationGomes, Sara & Neves, Luis & Dias-da-Costa, Daniel & Paulo, Fernandes & Júlio, Eduardo. (2014). Probabilistic Analysis of High Strength Concrete Girders Strengthened with CFRP. 1274-1282. DOI: https://doi.org/10.1061/9780784413609.128.
dc.identifier.doi10.1061/9780784413609.128
dc.identifier.isbn9780784413609
dc.identifier.urihttp://hdl.handle.net/10400.8/13550
dc.language.isoeng
dc.peerreviewedyes
dc.publisherAmerican Society of Civil Engineers
dc.relation.hasversionhttps://ascelibrary.org/doi/abs/10.1061/9780784413609.128
dc.relation.ispartofVulnerability, Uncertainty, and Risk
dc.rights.uriN/A
dc.subjectBeams and girders
dc.subjectCarbon
dc.subjectCarbon fiber reinforced plastics
dc.subjectConcrete beams and girders
dc.subjectConcretes
dc.subjectFiber reinforced plastics
dc.subjectHigh performance concrete
dc.subjectReinforced concrete
dc.subjectRisk assessment
dc.subjectSafety engineering
dc.subjectSafety factor
dc.subjectUncertainty analysis
dc.titleProbabilistic Analysis of High Strength Concrete Girders Strengthened with CFRPeng
dc.typeconference paper
dspace.entity.typePublication
oaire.citation.conferenceDate2014-07
oaire.citation.conferencePlaceLiverpool, UK
oaire.citation.titleVulnerability, Uncertainty, and Risk: Quantification, Mitigation, and Management - Proceedings of the 2nd International Conference on Vulnerability and Risk Analysis and Management, ICVRAM 2014 and the 6th International Symposium on Uncertainty Modeling and Analysis, ISUMA 2014
oaire.versionhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43
person.familyNameFernandes
person.givenNamePaulo
person.identifier.ciencia-idF41A-AFFE-B165
person.identifier.orcid0000-0002-5644-8889
person.identifier.scopus-author-id56701925300
relation.isAuthorOfPublication7375e114-0963-49a2-be76-c52dd45c0338
relation.isAuthorOfPublication.latestForDiscovery7375e114-0963-49a2-be76-c52dd45c0338

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The strengthening or upgrading of reinforced concrete girders with carbon fiber reinforced polymer (CFRP) composites has become a common procedure in the last years. However, the lack of standards or codes proposed within the same design philosophy of the Eurocode, and which are capable of assuring an adequate confidence level for the CFRP as for steel or concrete, often implies that the safety of prestressed girders strengthened with CFRP has to be evaluated using probabilistic tools. This manuscript presents a reliability study of a Portuguese prestressed high strength concrete (HSC) girder strengthened with CFRP. The selected bridge is representative of what has been constructed in Portuguese highways during the last two decades. First, the reliability level and the importance of design and load variables are computed using the following two codes: Portuguese RSA (1983) and European EC1 (2002). Next, partial safety factors are determined for the CFRP. © 2014 American Society of Civil Engineers.
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