CFT Connections: State-of-the-art Report and Numerical Validation by 3D FEM

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dc.contributor.authorWilches, Jose
dc.contributor.authorLeon, Roberto
dc.contributor.authorMaria, Hernan Santa
dc.contributor.authorGraterol, Anibal
dc.date.accessioned2025-01-20T16:16:11Z
dc.date.available2025-01-20T16:16:11Z
dc.date.issued2024
dc.description.abstractConnections between concrete filled members are common in tall buildings, bridges, and offshore structures because of their robust structural performance. While extensive research has been done on isolated concrete-filled structural members, relatively little research has been conducted on composite connection regions. This article first describes a database on experimental/analytical investigations on concrete-filled connections comprising 135 tests. It then develops a generic numerical model capable of capturing the entire range of behavior of these connections, including local buckling of the steel tubes and friction/contact resistance between steel and concrete. The model was calibrated against a single test and its performance was verified against three other very different tests. The results indicate that the four models can track well the strength and stiffness of the specimens up to ultimate and predict well different failure patterns. Comparisons of the experimental and numerical load-deformation curves show very good agreement in predicting the strength and deformations at which different behaviors arise, and that performance is controlled primarily by both the strength of the concrete and the confinement effect of the steel tube in the connection area.
dc.fuente.origenWOS
dc.identifier.doi10.1007/s13296-024-00852-5
dc.identifier.eissn2093-6311
dc.identifier.issn1598-2351
dc.identifier.urihttps://doi.org/10.1007/s13296-024-00852-5
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/90534
dc.identifier.wosidWOS:001243855200001
dc.issue.numero4
dc.language.isoen
dc.pagina.final907
dc.pagina.inicio892
dc.revistaInternational journal of steel structures
dc.rightsacceso restringido
dc.subjectComposite connections
dc.subjectConcrete-filled tube (CFT)
dc.subjectExperimental research
dc.subjectAnalytical research
dc.subjectNumerical simulation
dc.subject.ods11 Sustainable Cities and Communities
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.titleCFT Connections: State-of-the-art Report and Numerical Validation by 3D FEM
dc.typeartículo
dc.volumen24
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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