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Materials, Vol. 11, Pages 437: Experimental Study on the Fire Performance of Tubular Steel Columns with Membrane Protections for Prefabricated and Modular Steel Construction

Materials, Vol. 11, Pages 437: Experimental Study on the Fire Performance of Tubular Steel Columns with Membrane Protections for Prefabricated and Modular Steel Construction

Materials doi: 10.3390/ma11030437

Authors: Xin Zhang Lei Peng Zhao-peng Ni Tian-xiao Ni Yi-liang Huang Yang Zhou

Experimental research was conducted to study the fire resistance of steel tubular columns used in prefabricated and modular construction. In order to achieve high-efficient prefabrication and fast on-site installation, membrane protections using board products and thermal insulation blankets are adopted as the favorable protection method. Three protected tubular columns were tested in a full-scale column furnace with axial load applied. The study variables were different membranes, including fiber reinforced calcium silicate (FRCS) boards, rock wool and aluminum silica (Fiberfrax) insulations. The results suggest that one layer of 12 mm FRCS board with rock wool insulation has insufficient fire protection. However, steel columns protected with two layers of 12 mm FRCS boards with insulation appeared to have good fire resistances and could achieve a fire resistance rating as high as 2.5~3.0 h.

Authors:   Zhang, Xin ; Peng, Lei ; Ni, Zhao-peng ; Ni, Tian-xiao ; Huang, Yi-liang ; Zhou, Yang
Journal:   Materials
Volume:   11
edition:   3
Year:   2018
Pages:   437
DOI:   10.3390/ma11030437
Publication date:   16-Mar-2018
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