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dc.creatorRakin, Marko
dc.creatorArsić, Miodrag
dc.creatorBošnjak, Srđan
dc.creatorGnjatović, Nebojša
dc.creatorMeđo, Bojan
dc.date.accessioned2021-03-10T12:10:48Z
dc.date.available2021-03-10T12:10:48Z
dc.date.issued2013
dc.identifier.issn1330-3651
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/2449
dc.description.abstractIn order to reduce the testing costs for structural welded joints and production losses due to excavator standstill, a new method for integrity and reliability assessment of welded joints during exploitation of bucket wheel excavators has been developed. In this paper, a part of non-destructive testing results for the butt welded joints on bucket wheel boom, counterweight boom and discharging boom is presented, prior to the repair of the collapsed bucket wheel excavator SchRs 1760x32/5. It has been in operational mode for 17 years prior to the collapse, in other words it has been subjected to aproximatelly 2 125.000 cycles of variable loading. Hypergeometric distribution has been used for calculation of probability that x welded joints, which comprise n welded joints with defects, would be selected for testing out of overall number of joints Q. The integrity assessment for welded structures of bucket wheel excavators has been performed on the basis of defect analysis and probabilistic assessment of the fatigue crack growth in welded joints. By using this method, the testing costs have been reduced by 70 % through optimized scope of the inspections and time periods between them.en
dc.publisherUniversity of Osijek, Tech Fac, Slavonski Brod
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/35006/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceTehnicki vjesnik-Technical Gazette
dc.subjectbucket wheel excavatoren
dc.subjectfatigueen
dc.subjectintegrity assessmenten
dc.subjectnon-destructive testsen
dc.subjectsingle selection methoden
dc.subjectwelded structureen
dc.titleIntegrity assessment of bucket wheel excavator welded structures by using the single selection methoden
dc.typearticle
dc.rights.licenseBY
dc.citation.epage816
dc.citation.issue5
dc.citation.other20(5): 811-816
dc.citation.rankM23
dc.citation.spage811
dc.citation.volume20
dc.identifier.fulltexthttp://TechnoRep.tmf.bg.ac.rs/bitstream/id/679/2446.pdf
dc.identifier.rcubconv_4249
dc.identifier.wos000326280500010
dc.type.versionpublishedVersion


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