A Numerical Study on the Effect of Concrete Infill and Intumescent Coating to Fire-Resistant Behaviour of Stub Elliptical Steel Hollow Sections Under Axial Compression
Abstract:This paper presents a numerical study on the effect of concrete infill and intumescent coating to the fire resistant behaviour of stub elliptical concrete filled steel tubular (CFST) columns under standard fire. The selected elliptical steel hollow sections in this research cover the common used elliptical sections in current construction market; from 200 100 mm to 500 250 mm with wall thicknesses varying from 5 to 12.5 mm. Temperature distribution, critical temperature and fire exposing time of selected s… Show more
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