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S.P. Chiew, Y.X. Dong, C.K. Soh, "Non-Linear Finite Element Modelling of Concrete-Filled Steel Tube Columns", in B.H.V. Topping, B. Kumar, (Editors), "Developments in Analysis and Design using Finite Element Methods", Civil-Comp Press, Edinburgh, UK, pp 197-204, 1999. doi:10.4203/ccp.59.7.3

Abstract

The elasto-plastic finite element analysis is performed in this paper to simulate the deformation and failure mode of the composite column under eccentric axial load. The simulated results are compared with the experimental results of practical size columns. Analysis of a hollow section steel tube column is also carried out as a comparison. It is observed that the composite column demonstrates a gradual failure mode with a smooth lateral deformation curve, with the in-filled concrete adds strength, stiffness and ductility to the column. This is in sharp contrast with the hollow section steel tube column that shows a sudden collapse after an inward curling is formed at the center part of the column. Compared with the finite element simulated and the tested results, the existing code is very conservative in predicting the ultimate load of the composite column.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 59 DEVELOPMENTS IN ANALYSIS AND DESIGN USING FINITE ELEMENT METHODS Edited by: B.H.V. Topping and B. Kumar Paper VII.3 Non-Linear Finite Element Modelling of Concrete-Filled Steel Tube Columns S.P. Chiew, Y.X. Dong and C.K. Soh School of Civil and Structural Engineering, Nanyang Technological University, Singapore doi:10.4203/ccp.59.7.3 purchase the full-text of this paper Full Bibliographic Reference for this paper S.P. Chiew, Y.X. Dong, C.K. Soh, "Non-Linear Finite Element Modelling of Concrete-Filled Steel Tube Columns", in B.H.V. Topping, B. Kumar, (Editors), "Developments in Analysis and Design using Finite Element Methods", Civil-Comp Press, Edinburgh, UK, pp 197-204, 1999. doi:10.4203/ccp.59.7.3 Abstract The elasto-plastic finite element analysis is performed in this paper to simulate the deformation and failure mode of the composite column under eccentric axial load. The simulated results are compared with the experimental results of practical size columns. Analysis of a hollow section steel tube column is also carried out as a comparison. It is observed that the composite column demonstrates a gradual failure mode with a smooth lateral deformation curve, with the in-filled concrete adds strength, stiffness and ductility to the column. This is in sharp contrast with the hollow section steel tube column that shows a sudden collapse after an inward curling is formed at the center part of the column. Compared with the finite element simulated and the tested results, the existing code is very conservative in predicting the ultimate load of the composite column. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £74 +P&P)
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