Rotational stiffness coefficients for evaluation of critical buckling loads in multi-story sway, non-sway and partially sway frames

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dc.contributor.author Mageirou, G en
dc.contributor.author Gantes, C en
dc.date.accessioned 2014-03-01T02:49:54Z
dc.date.available 2014-03-01T02:49:54Z
dc.date.issued 2004 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/34774
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-84857483285&partnerID=40&md5=3c6707ee2db3f47c4add8eeb44da27fd en
dc.subject Analytical expressions en
dc.subject Axial forces en
dc.subject Buckling length coefficients en
dc.subject Critical buckling loads en
dc.subject Eurocode 3 en
dc.subject Finite Element en
dc.subject Multi-story frame en
dc.subject Non-sway en
dc.subject Rotational stiffness en
dc.subject Sway frames en
dc.subject Buckling en
dc.subject Stiffness en
dc.subject Civil engineering en
dc.subject.other Analytical expressions en
dc.subject.other Axial forces en
dc.subject.other Buckling length coefficients en
dc.subject.other Critical buckling loads en
dc.subject.other Eurocode 3 en
dc.subject.other Finite Element en
dc.subject.other Multi-story frame en
dc.subject.other Non-sway en
dc.subject.other Rotational stiffness en
dc.subject.other Sway frames en
dc.subject.other Buckling en
dc.subject.other Stiffness en
dc.subject.other Civil engineering en
dc.title Rotational stiffness coefficients for evaluation of critical buckling loads in multi-story sway, non-sway and partially sway frames en
heal.type conferenceItem en
heal.publicationDate 2004 en
heal.abstract The objective of this paper is to propose improved expressions for the effective buckling length coefficient of columns in multi-story sway, non-sway and partially-sway frames. To that effect, a complete set of rotational stiffness coefficients is presented, which are then used for the replacement of members converging at the bottom and top end of the column in question by equivalent springs. All possible rotational and translational boundary conditions at the far end of these members, as well as the eventual presence of axial force, are considered. Analytical expressions are then proposed for the calculation of the effective buckling length coefficient, covering sway, nonsway as well as partially sway multi-story frames. Examples of multi-story frames with sway, nonsway and partially sway behaviour are presented, where the proposed approach is found to be in excellent agreement with finite element results, while application of Eurocode 3 and LRFD lead to significant inaccuracies. © 2004 Taylor & Francis Group, London. en
heal.journalName 5th International PhD Symposium in Civil Engineering - Proceedings of the 5th International PhD Symposium in Civil Engineering en
dc.identifier.volume 2 en
dc.identifier.spage 1433 en
dc.identifier.epage 1440 en

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