Failure analysis of column-slab connections with stud shear reinforcement

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Title Failure analysis of column-slab connections with stud shear reinforcement
Author Guan, Hong; Loo, Yew-Chaye
Journal Name Canadian Journal of Civil Engineering
Year Published 2003
Place of publication Canada
Publisher NATL Research Council Canada
Abstract The design of a flat plate structure is generally governed either by serviceability limits on deflection or punching shear strength of the column slab connections. To increase the strength of a column slab connection, a new type of shear reinforcement, referred to as shear stud, is gaining popularity in practice. In this paper, a nonlinear layered finite element method (LFEM) is used to investigate the effectiveness of the shear studs in increasing the punching shear strength of edge and corner column slab connections. In total, nine large-scale reinforced concrete slabs of a flat plate floor in the vicinity of edge and corner columns, tested previously in the laboratory, are analysed. All the slabs contained stud shear reinforcement (SSR) except a control slab where no SSR was provided. The test variables were the column size and the ratio of stud spacing to slab thickness. The punching shear strengths, load deflection responses, and crack patterns predicted by the LFEM are compared with the experimental results. The numerical investigation confirms the accuracy and effectiveness of the LFEM in predicting the strength of column slab connections with SSR.Key words: column slab connection, concrete flat plate, punching shear, stud shear reinforcement, finite element analysis.
Peer Reviewed Yes
Published Yes
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Copyright Statement Copyright 2003 NRC Research Press. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume 30
Page from 934
Page to 944
ISSN 0315-1468
Date Accessioned 2004-01-07
Date Available 2015-05-12T02:05:19Z
Language en_US
Faculty Faculty of Engineering and Information Technology
Subject PRE2009-Structural Engineering
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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