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Punching shear strength and post-punching behavior of CFT column to RC flat plate connections

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Authors
Lee, Cheol-Ho; Kim, Jin-Won; Song, Jin-Gyu
Issue Date
2008-04
Publisher
Elsevier
Citation
Journal of Constructional Steel Research 2008;64(4):418-428
Keywords
CFT columnConnectionFlat platesProgressive collapsePunching shear
Abstract
This paper summarizes full-scale test results on CFT (concrete filled tube) column to RC (reinforced concrete) flat plate connections subjected to gravity loading. CFT construction is gaining wide acceptance due to its various structural and constructional advantages. However, efficient
details for CFT column to RC flat plate connections have not been proposed yet. Based on the strategies that maximize economical field construction, several connecting schemes were proposed and tested in this study. Test results showed that the proposed connections can exhibit punching shear strength and connection stiffness exceeding those of RC flat plate counterparts. A semi-analytical procedure is presented to model the behavior of CFT column to RC flat plate connections. The parameters needed to model the behavior from elastic to post-punching range are calibrated based on the test data of this study. The application of the proposed model to progressive collapse analysis is also illustrated.
ISSN
0142-974X
Language
English
URI
http://hdl.handle.net/10371/8414
DOI
https://doi.org/10.1016/j.jcsr.2007.08.003
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Architecture and Architectural Engineering (건축학과)Journal Papers (저널논문_건축학과)
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