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The effect of local reinforcing bar reductions and anchorage zone cracking on the load capacity of RC half-joints

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cam.issuedOnline2017-10-07
datacite.issupplementedby.doi10.17863/CAM.13336
dc.contributor.authorDesnerck, PRH
dc.contributor.authorLees, J
dc.contributor.authorMorley, C
dc.contributor.orcidDesnerck, Pieter [0000-0002-8042-9741]
dc.contributor.orcidLees, Janet [0000-0002-8295-8321]
dc.date.accessioned2017-11-07T18:05:32Z
dc.date.available2017-11-07T18:05:32Z
dc.date.issued2017-12-01
dc.description.abstractHalf-joint beams, also referred to as dapped-end beams, have been the subject of several studies, primarily focussing on the design optimisation of new reinforced concrete beams and bridge decks. Existing half-joint structures, however, often show signs of deterioration and can exhibit improper reinforcement detailing. In order to gain a better insight into the impact of local corrosion, anchorage cracking, limited amounts of provided shear reinforcement, and improper reinforcement detailing, a test program was designed. Full-scale tests on nine half-joint beams were performed. The results of the study show that even though the impact of an individual shortcoming on the load carrying capacity of reinforced concrete half-joint beams might not be substantial, inspectors and assessors should pay attention to the possibility of combined effects. When multiple deterioration processes are noted and/or questions are raised with respect to the reinforcement detailing, the impact on the load carrying capacity of the beam might be larger than the linear combination of the individual effects.
dc.description.sponsorshipThe authors would like to acknowledge the financial support of EPSRC – the Engineering and Physical Sciences Research Council (UK) – through the EPSRC Project ‘Reinforced concrete half-joint structures: Structural integrity implications of reinforcement detailing and deterioration’ [Grant no. EP/K016148/1].
dc.identifier.doi10.17863/CAM.14363
dc.identifier.eissn1873-7323
dc.identifier.issn0141-0296
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/268163
dc.language.isoeng
dc.publisherElsevier
dc.publisher.urlhttp://dx.doi.org/10.1016/j.engstruct.2017.09.021
dc.rightsAttribution 4.0 International
dc.rightsAttribution 4.0 International
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectassessment
dc.subjectdapped-end beam
dc.subjecthalf-joint
dc.subjectstrut-and-tie
dc.subjectload-bearing capacity
dc.subjectcorrosion
dc.subjectanchorage
dc.subjectcracking
dc.subjectre-entrant corner
dc.titleThe effect of local reinforcing bar reductions and anchorage zone cracking on the load capacity of RC half-joints
dc.typeArticle
dcterms.dateAccepted2017-09-12
prism.endingPage877
prism.publicationDate2017
prism.publicationNameEngineering Structures
prism.startingPage865
prism.volume152
pubs.funder-project-idEngineering and Physical Sciences Research Council (EP/K016148/1)
rioxxterms.licenseref.startdate2017-12-01
rioxxterms.licenseref.urihttp://creativecommons.org/licenses/by/4.0/
rioxxterms.typeJournal Article/Review
rioxxterms.versionVoR
rioxxterms.versionofrecord10.1016/j.engstruct.2017.09.021

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