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Finite Element Analysis of Elliptical Stub CFT Columns

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Publication date2009
Host publicationSteel Concrete Composite and Hybrid Structures
EditorsD Lam
Place of PublicationSingapore
PublisherResearch Publishing Services
Pages265-270
Number of pages6
ISBN (Print)978-981-08-3068-7
<mark>Original language</mark>English

Conference

Conference9th International Conference on Steel-Concrete Composite and Hybrid Structures
CityLeeds
Period8/07/0910/07/09

Conference

Conference9th International Conference on Steel-Concrete Composite and Hybrid Structures
CityLeeds
Period8/07/0910/07/09

Abstract

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.