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F. Ali, N. Goodfellow, A. Nadjai, "A Numerical Study on the Behaviour of Hollow and Concrete Filled Oval Columns in Fire", in , (Editors), "Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 7, 2013. doi:10.4203/ccp.102.7

Keywords: fire, concrete filled columns, finite element model.

Summary

This paper presents the outcomes of experimental research to investigate the performance of axially restrained elliptical hollow and concrete filled (EHS) steel columns subjected to severe hydrocarbon fire. The test programme involved an oval section 400*200*8 mm yielding slenderness of 24. The 1800 mm columns were tested under loading ratios ranging between 0.2 and 0.6 of the ultimate strength determined using EC3 and under axial restraint ranging from 0 to 0.15. It was found that introducing restraint to the elliptical section columns decreases the time to failure which is more evident in the case of lower load ratios than the higher load ratios. The results from the experimental work were then used to validate a finite element model which showed good agreement in the prediction of failure times and mechanisms observed during the tests. The finite element model successfully predicted tests results of modes of failure, variance in thermal expansion of steel and concrete and thermal distribution in concrete core.

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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: 102 PROCEEDINGS OF THE FOURTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: Paper 7 A Numerical Study on the Behaviour of Hollow and Concrete Filled Oval Columns in Fire F. Ali, N. Goodfellow and A. Nadjai FireSERT, School of the Built Environment University of Ulster, United Kingdom doi:10.4203/ccp.102.7 purchase the full-text of this paper Full Bibliographic Reference for this paper F. Ali, N. Goodfellow, A. Nadjai, "A Numerical Study on the Behaviour of Hollow and Concrete Filled Oval Columns in Fire", in , (Editors), "Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 7, 2013. doi:10.4203/ccp.102.7 Keywords: fire, concrete filled columns, finite element model. Summary This paper presents the outcomes of experimental research to investigate the performance of axially restrained elliptical hollow and concrete filled (EHS) steel columns subjected to severe hydrocarbon fire. The test programme involved an oval section 4002008 mm yielding slenderness of 24. The 1800 mm columns were tested under loading ratios ranging between 0.2 and 0.6 of the ultimate strength determined using EC3 and under axial restraint ranging from 0 to 0.15. It was found that introducing restraint to the elliptical section columns decreases the time to failure which is more evident in the case of lower load ratios than the higher load ratios. The results from the experimental work were then used to validate a finite element model which showed good agreement in the prediction of failure times and mechanisms observed during the tests. The finite element model successfully predicted tests results of modes of failure, variance in thermal expansion of steel and concrete and thermal distribution in concrete core. 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 £65 +P&P)
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