Unsteady Flow and River Bed Stratification Mutual Impact on Scour at the Abutments

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dc.contributor.authorGjunsburgs, Borisscs
dc.contributor.authorPařílková, Janacs
dc.coverage.issue1-2cs
dc.coverage.volume33cs
dc.date.accessioned2021-05-03T14:54:24Z
dc.date.available2021-05-03T14:54:24Z
dc.date.issued2020-04-08cs
dc.description.abstractThe floods of different probability, sequence, frequency, duration, and the riverbed with different grain sizes, numbers, sequences, and thickness of the layers are one of the reasons for the bridge`s abutments failure because of scour. Although the problem is very topical, the mutual impact of multiple floods and stratified riverbed conditions on scour at the bridge abutments has not been studied. The method for computing scour development in time at bridge abutments was elaborated and confirmed by tests results. The method enables the computer to perform modelling of the mutual impact of unsteady flow and bed layering of scour processes. Computer modelling was made to expand scenarios for tests data in flume for unsteady flow for two steps of hydrograph with different dischargers and for the bed layers with varying grain sizes, numbers, sequence, and thickness. This approach makes it possible to estimate in advance mutual impact, with different scenarios, floods and geological data on the depth of scour at vertical wall abutment, at the design stage or during the maintenance period of the bridge crossing.en
dc.formattextcs
dc.format.extent49-57cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationInternational Journal for Engineering Modelling. 2020, vol. 33, issue 1-2, p. 49-57.en
dc.identifier.doi10.31534/engmod.2020.1-2.ri.04mcs
dc.identifier.issn1849-8671cs
dc.identifier.other164542cs
dc.identifier.urihttp://hdl.handle.net/11012/196658
dc.language.isoencs
dc.publisherUniversity of Splitcs
dc.relation.ispartofInternational Journal for Engineering Modellingcs
dc.relation.urihttp://gradst.unist.hr/ostalo/izdavacka-djelatnost/international-journal-for-engineering-modelling/archive-full-text-pdf/articletype/categoryview/categoryid/182/no-1-2cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1849-8671/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectflow;en
dc.subjectunsteady flowen
dc.subjectbed stratificationen
dc.subjectscouren
dc.subjectbridgesen
dc.subjectmodellingen
dc.titleUnsteady Flow and River Bed Stratification Mutual Impact on Scour at the Abutmentsen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-164542en
sync.item.dbtypeVAVen
sync.item.insts2021.05.03 16:54:23en
sync.item.modts2021.05.03 16:14:53en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav vodních stavebcs
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