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Fatigue resistance of welded steel tubular X-joints

dc.creatorPapatheocharis T., Sarvanis G.C., Perdikaris P.C., Karamanos S.A., Zervaki A.D.en
dc.date.accessioned2023-01-31T09:44:47Z
dc.date.available2023-01-31T09:44:47Z
dc.date.issued2020
dc.identifier10.1016/j.marstruc.2020.102809
dc.identifier.issn09518339
dc.identifier.urihttp://hdl.handle.net/11615/77854
dc.description.abstractHigh-cycle fatigue experiments are performed on welded tubular steel X-joints, with braces and chord of equal diameter. They are scaled-down joints, used extensively in offshore wind platforms. Three different welding procedures are considered in specimen fabrication: manual, fully-automatic and manual with HFMI post-weld treatment. Τwo possible locations for crack initiation were identified: chord “crown” and “in-between location”, also verified by numerical calculations and fractography of failed specimens. Monotonic loading tests on fatigue-cracked specimens showed good performance in terms of ultimate strength and deformation capacity, despite the presence of through-thickness cracks. The results are compared with predictions from relevant design standards. © 2020en
dc.language.isoenen
dc.sourceMarine Structuresen
dc.source.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85089144779&doi=10.1016%2fj.marstruc.2020.102809&partnerID=40&md5=cc2a8a8736ee401fcbed0e2822aa6284
dc.subjectCracksen
dc.subjectFracture mechanicsen
dc.subjectOffshore oil well productionen
dc.subjectTubular steel structuresen
dc.subjectWeldingen
dc.subjectDeformation capacityen
dc.subjectHigh cycle fatigueen
dc.subjectMonotonic loadingen
dc.subjectNumerical calculationen
dc.subjectPost-weld treatmenten
dc.subjectThrough-thickness cracksen
dc.subjectUltimate strengthen
dc.subjectWelding proceduresen
dc.subjectFatigue of materialsen
dc.subjectcomparative studyen
dc.subjectcrack propagationen
dc.subjectdeformationen
dc.subjectdesignen
dc.subjectexperimental studyen
dc.subjectfatigueen
dc.subjectloading testen
dc.subjectnumerical modelen
dc.subjectoffshore structureen
dc.subjectpredictionen
dc.subjectsteelen
dc.subjectweldingen
dc.subjectwind farmen
dc.subjectElsevier Ltden
dc.titleFatigue resistance of welded steel tubular X-jointsen
dc.typejournalArticleen


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