Please use this identifier to cite or link to this item: https://idr.l1.nitk.ac.in/jspui/handle/123456789/10022
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dc.contributor.authorChitawadagi, M.V.-
dc.contributor.authorNarasimhan, M.C.-
dc.contributor.authorKulkarni, S.M.-
dc.date.accessioned2020-03-31T08:18:32Z-
dc.date.available2020-03-31T08:18:32Z-
dc.date.issued2010-
dc.identifier.citationConstruction and Building Materials, 2010, Vol.24, 4, pp.585-595en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/10022-
dc.description.abstractThis paper presents the effect of change in wall thickness of the steel tube (t), strength of in-filled concrete (fcu), cross-sectional area of the steel tube (A) and length of the tube (L) on ultimate axial load and axial shortening at ultimate point of rectangular concrete-filled steel tubes (CFT). Taguchi's approach with an L9 orthogonal array is used to reduce the number of experiments. With the help of initial experiments, linear regression models are developed to predict the ultimate axial load and the axial shortening at ultimate point. A total of 243 rectangular CFT samples are tested to verify the accuracy of these models at three factors with three levels. The experimental results are analyzed using Analysis Of Variance to investigate the most influencing factor on strength and axial shortening of CFT samples. Comparisons are made with predicted column strengths using the existing design codes, AISC-LRFD-1994 and EC4-1994. 2009 Elsevier Ltd. All rights reserved.en_US
dc.titleAxial capacity of rectangular concrete-filled steel tube columns - DOE approachen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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