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dc.creatorLazović, Marija
dc.creatorRadovanović, Janko
dc.creatorDeretić-Stojanović, Biljana
dc.date.accessioned2019-04-19T14:27:23Z
dc.date.available2019-04-19T14:27:23Z
dc.date.issued2017
dc.identifier.issn1330-3651
dc.identifier.urihttps://grafar.grf.bg.ac.rs/handle/123456789/844
dc.description.abstractCFT columns are one of the basic structural elements in "top-down" construction method. Because of the large depth of excavation the question of stability of these columns raises. This paper presents a procedure for calculation of critical buckling force of CFT columns which are on the upper side elastically fixed in the concrete ceiling and on the bottom side elastically fixed in the drilled pile. Using computer programs ABAQUS 6.12 and LPILE, as well as appropriate constitutive models the boundary conditions on the upper and lower end of the CFT columns are determined. For a building called "Cvijetni prolaz" in Zagreb, using program created in Excel the critical buckling force of elastically fixed CFT columns is determined. The dependence of the critical buckling force decreasing with increasing depth of excavation is presented. The impact of concrete class, diameter and wall thickness of the steel section, length and diameter of the pile, the thickness of the ceiling on the critical buckling force of CFT columns is analysed. The results are shown in diagrams and tables.en
dc.publisherStrojarski Facultet
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/42012/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceTehnički vjesnik / Technical Gazette
dc.subjectCFT columnen
dc.subjectFEMen
dc.subjectp-y curveen
dc.subjectstability of bifurcationen
dc.titleBearing capacity and stability of elastically fixed cft slender columnsen
dc.typearticle
dc.rights.licenseBY
dc.citation.epage973
dc.citation.issue3
dc.citation.other24(3): 967-973
dc.citation.rankM23
dc.citation.spage967
dc.citation.volume24
dc.identifier.doi10.17559/TV-20150806093823
dc.identifier.fulltexthttps://grafar.grf.bg.ac.rs//bitstream/id/4220/842.pdf
dc.identifier.scopus2-s2.0-85020915393
dc.identifier.wos000403788500042
dc.type.versionpublishedVersion


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Приказ основних података о документу