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NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Engineering > Bulletin > Reports of the Faculty of Engineering, Nagasaki University > Volume 34, No. 63 >


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Title: 繊維化塑性関節法によるCFT柱の繰返し挙動解析
Other Titles: Elastoplastic analysis of concrete-filled tubular columns by a fibered plastic hinge method
Authors: 修行, 稔 / 島津, 勝 / 作本, 裕介
Authors (alternative): Shugyo, Minoru / Shimazu, Masaru / Sakumoto, Yusuke
Issue Date: Jul-2004
Citation: 長崎大学工学部研究報告 Vol.34(63) p. 31-36, 2004
Abstract: The accuracy of a new straight beam element proposed by the author is examined for the analysis of elastoplastic cycric behavior of concrete filled tubular (CFT) columns. A plastic hinge type formulation is employed combining the 'modified incremental stiffness method', the updated Lagrangian formulation and numerical integration about the end sections of the element. The stress-strain relation of concrete fiber is modeled as the elastic-perfectly plastic type model considering the confinement effect of steel tube. Comparisons with test results show that the beam element has a sufficient accuracy for the cyclic analysis of CFT columns.
Keywords: beam element / concrete filled tube / elastoplastic analysis / cyclin loading
URI: http://hdl.handle.net/10069/15079
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 34, No. 63

Citable URI : http://hdl.handle.net/10069/15079

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