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Klimatski uticaji na napone u kontinualno zavarenim šinama u kolosecima na mostovima u Srbiji

dc.creatorPopović, Zdenka
dc.creatorMirković, Nikola
dc.creatorLazarević, Luka
dc.creatorMićić, Milica
dc.date.accessioned2019-04-19T14:31:10Z
dc.date.available2019-04-19T14:31:10Z
dc.date.issued2019
dc.identifier.issn0040-2176
dc.identifier.urihttps://grafar.grf.bg.ac.rs/handle/123456789/1007
dc.description.abstractVehicle/track/bridge interaction causes additional stresses in CWR on the bridge, which include stress in rails due to temperature changes in the bridge deck, vertical bending of bridge deck, and braking/acceleration of railway vehicles on the bridge deck. Critical analysis of additional tensile stresses in CWR on the bridge using Smith diagram was performed and presented in this paper. Furthermore, results of rail temperature measuring at several monitoring locations in Serbia were presented. The influence of the local climate conditions and neutral rail temperature on the temperature stress in CWR was analysed. The paper points out that the prescribed values of additional stresses in CWR have to include influence of real local climate conditions on track stability on the bridge.en
dc.description.abstractInterakcija vozilo/kolosek/most dovodi do dodatnog naprezanja u kontinualno zavarenim šinama na mostu, što uključuje napone u šinama usled temperaturne promene u konstrukciji gornjeg stroja mosta, napone u šinama usled savijanja konstrukcije gornjeg stroja mosta u vertikalnoj ravni pod saobraćajnim opterećenjem, kao i napone u šinama usled pokretanja/kočenja železničkih vozila na mostu. U radu je predstavljena kritička analiza dodatnih napona zatezanja u kontinualno zavarenim šinama na mostu pomoću Smitovog dijagrama. Osim toga, predstavljeni su rezultati merenja temperature na nekoliko mernih mesta na železničkoj mreži u Srbiji. Analiziran je uticaj lokalnih klimatskih uslova i neutralne temperature u šini na napone od temperaturne promene u kontinualno zavarenim šinama. U radu se ističe da propisane vrednosti dodatnih napona u kontinualno zavarenim šinama moraju uključiti uticaj stvarnih lokalnih klimatskih uslova sa aspekta stabilnosti koloseka na mostu.sr
dc.publisherSavez inženjera i tehničara Srbije, Beograd
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/36012/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceTehnika
dc.subjectrailwayen
dc.subjectbridgeen
dc.subjectinteraction vehicle/track/bridgeen
dc.subjecttemperatureen
dc.subjectstressen
dc.subjectželeznicasr
dc.subjectmostsr
dc.subjectinterakcija vozilo/kolosek/mostsr
dc.subjecttemperaturasr
dc.subjectnaponsr
dc.titleInfluence of climate conditions on stresses in CWR on the bridges in Serbiaen
dc.titleKlimatski uticaji na napone u kontinualno zavarenim šinama u kolosecima na mostovima u Srbijisr
dc.typearticle
dc.rights.licenseBY
dc.citation.epage44
dc.citation.issue1
dc.citation.other74(1): 39-44
dc.citation.rankM52~
dc.citation.spage39
dc.citation.volume74
dc.identifier.doi10.5937/tehnika1901039P
dc.identifier.fulltexthttps://grafar.grf.bg.ac.rs//bitstream/id/3312/1005.pdf
dc.type.versionpublishedVersion


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