Techno Press


Steel and Composite Structures   Volume 10, Number 6, December 2010, pages 517-539
DOI: http://dx.doi.org/10.12989/scs.2010.10.6.517
 
Axial compressive behaviour of stub concrete-filled columns with elliptical stainless steel hollow sections
X. Dai and D. Lam

 
Abstract     [Full Text]
    This paper presents the axial compressive behaviour of stub concrete-filled columns with elliptical stainless steel and carbon steel hollow sections. The finite element method developed via ABAQUS/Standard solver was used to carry out the simulations. The accuracy of the FE modelling and the proposed confined concrete stress-strain model were verified against experimental results. A parametric study on stub concrete-filled columns with various elliptical hollow sections made with stainless steel and carbon steel was conducted. The comparisons and analyses presented in this paper outline the effect of hollow sectional configurations to the axial compressive behaviour of elliptical concrete-filled steel tubular columns, especially the merits of using stainless steel hollow sections is highlighted
 
Key Words
    concrete-filled column; elliptical hollow section; stainless steel; nonlinear finite element model; axial compressive behaviour; parametric study
 
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