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Open AccessArticle

Experimental Study on the Fire Performance of Tubular Steel Columns with Membrane Protections for Prefabricated and Modular Steel Construction

1
School of Civil Engineering, Central South University, Changsha 410075, China
2
Changsha Kerich Fire Protection Engineering Tech. CO., Ltd., Changsha 410007, China
3
Tianjin Fire Research Institute of the Ministry of Public Security, Tianjin 300381, China
*
Author to whom correspondence should be addressed.
Materials 2018, 11(3), 437; https://doi.org/10.3390/ma11030437
Received: 5 February 2018 / Revised: 9 March 2018 / Accepted: 14 March 2018 / Published: 16 March 2018
(This article belongs to the Section Structure Analysis and Characterization)
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. View Full-Text
Keywords: hollow structural section (HSS); steel tubular column; axial load; prefabricated and modular construction; membrane protection hollow structural section (HSS); steel tubular column; axial load; prefabricated and modular construction; membrane protection
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MDPI and ACS Style

Zhang, X.; Peng, L.; Ni, Z.-P.; Ni, T.-X.; Huang, Y.-L.; Zhou, Y. Experimental Study on the Fire Performance of Tubular Steel Columns with Membrane Protections for Prefabricated and Modular Steel Construction. Materials 2018, 11, 437.

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