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A review of punching behavior of slab–column connections with recycled coarse aggregate concrete

2024-06-26Artigo científico Acesso aberto
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dc.contributor.authorRamos, António
dc.contributor.authorMarchão, Carla
dc.contributor.authorPacheco, João Nuno
dc.contributor.authorEnfedaque, Alejandro
dc.contributor.authorCoronelli, Dario
dc.contributor.authorFaria, Duarte
dc.contributor.authorde Brito, Jorge
dc.contributor.authorRuiz, Miguel Fernández
dc.contributor.authorMarreiros, Rui
dc.contributor.institutionCERIS - Polo NOVA
dc.contributor.institutionDEC - Departamento de Engenharia Civil
dc.contributor.pblThomas Telford
dc.date.accessioned2025-01-24T21:23:33Z
dc.date.available2025-06-27T00:30:26Z
dc.date.embargoedUntil2025-06-26
dc.date.issued2024-06-26
dc.descriptionFunding Information: This work is part of the transnational access project “ERIES – RecycleSlab,” supported by the Engineering Research Infrastructures for European Synergies (ERIES) project (www.eries.eu), which has received funding from the European Union's Horizon Europe Framework Pro-gramme under grant agreement no. 101058684. This is ERIES publication number J4. Publisher Copyright: © 2024 fib. International Federation for Structural Concrete.
dc.description.abstractThis paper presents a state-of-art regarding the punching of flat slabs made with coarse recycled concrete aggregate concrete (CRCAC). Punching shear is a phenomenon that occurs in reinforced concrete slabs when concentrated loads are applied near a column or other support. It refers to the failure mechanism where the concrete reaches shear failure at a critical section around the column. CRCAC is a structural material that conforms with circular economy concepts, but its design for punching using current formulae may be unsafe due to the lower strength of the concrete that can be caused by the shape or the surface cleanness of the recycled aggregates when compared with the natural ones. The results highlight the need for further research on this area, since the available experimental results are few and mainly from tests with thin slab specimens. Since the punching phenomenon is dependent on the scale effect, it is mandatory to have more results for slabs with representative thickness. The applicability of the models for punching resistance in EC2, ACI318-19, and the upcoming second generation of EC2 was also investigated. These codes can produce safe estimates for CRCAC slabs. However, it was found that the second generation of EC2 is less conservative than the other models.en
dc.description.versionauthorsversion
dc.description.versionepub_ahead_of_print
dc.format.extent14
dc.format.extent1468669
dc.identifier.doi10.1002/suco.202400435
dc.identifier.issn1464-4177
dc.identifier.otherPURE: 95340336
dc.identifier.otherPURE UUID: 325263ad-06fa-4139-8231-828c0beef602
dc.identifier.otherScopus: 105003305764
dc.identifier.otherWOS: 001255093700001
dc.identifier.otherORCID: /0000-0001-9496-4991/work/164781099
dc.identifier.otherScopus: 85197226248
dc.identifier.urihttp://hdl.handle.net/10362/177896
dc.identifier.urlhttps://www.scopus.com/pages/publications/85197226248
dc.identifier.urlhttps://www.webofscience.com/wos/woscc/full-record/WOS:001255093700001
dc.language.isoeng
dc.peerreviewedyes
dc.subjectCoarse recycled concrete aggregate concrete
dc.subjectCRCAC
dc.subjectFlat slabs
dc.subjectPunching
dc.subjectCivil and Structural Engineering
dc.subjectBuilding and Construction
dc.subjectGeneral Materials Science
dc.subjectMechanics of Materials
dc.subjectSDG 8 - Decent Work and Economic Growth
dc.subjectSDG 12 - Responsible Consumption and Production
dc.titleA review of punching behavior of slab–column connections with recycled coarse aggregate concreteen
dc.typejournal article
degois.publication.firstPage1388
degois.publication.issue2
degois.publication.lastPage1401
degois.publication.titleStructural Concrete
degois.publication.volume26
dspace.entity.typePublication
rcaap.rightsopenAccess

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