Finite Element Analysis of Elliptical Stub CFT Columns

Jamaluddin, N. and Lam, D. and Ye, J. (2009) Finite Element Analysis of Elliptical Stub CFT Columns. In: Steel Concrete Composite and Hybrid Structures. Research Publishing Services, Leeds, pp. 265-270. ISBN 978-981-08-3068-7

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Elliptical concrete filled tube (CFT) was modelled using finite element method to predict the structural characteristics such as strength, stiffness and ductility. The effects of tube thickness and concrete strengths were examined by using three nominal thicknesses (4mm, 5 mm and 6 mm) and three concrete grades (C30, C60 and C100) as concrete infill, nonlinearities of materials were taken into account in the analysis. The results of columns strength and load-axial shortening curves are discussed. The paper concludes that the factors such as thicknesses and concrete strength do have an influence on columns strength and the simulated models were validated using laboratory experimental results.

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23 May 2012 15:16
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21 Nov 2022 14:36