Experimental and computational investigations on fire resistance of GFRP composite for building façade

Tran, P 2014, 'Experimental and computational investigations on fire resistance of GFRP composite for building façade', Composites Part B: Engineering, vol. 62, pp. 218-229.


Document type: Journal Article
Collection: Journal Articles

Title Experimental and computational investigations on fire resistance of GFRP composite for building façade
Author(s) Tran, P
Year 2014
Journal name Composites Part B: Engineering
Volume number 62
Start page 218
End page 229
Total pages 12
Publisher Pergamon Press
Abstract Composite materials such as glass fibre reinforced polymers (GFRPs) possess the advantages of high strength and stiffness, as well as low density and highly flexible tailoring; therefore, their potential in replacing conventional materials (such as concrete, aluminium and steel) in building façade has become attractive. This paper addresses one of the major issues that hinder the extensive use of composite structures in the high-rise building industry, which is the fire resistance. In this study, a fire performance enhancement strategy for multilayer composite sandwich panels, which are comprised of GFRP composite facets and polyethylene foam core, is proposed with the addition of environmentally friendly, fire retardant unsaturated polyester resins and gel-coats. A series of burning experimental studies including thermo-gravimetric analysis (TGA) and single burning item (SBI) are carried out on the full scale composite sandwich as well as on single constituents, providing information regarding heat release rate, total heat release, fire growth rate, and smoke production. Experimental results are compared with fire safety codes for building materials to identify the key areas for improvements. A fire dynamic numerical model has been developed in this work using the Fire Dynamics Simulator (FDS) to simulate the burning process of composite structures in the SBI test. Numerical results of heat production and growth rate are presented in comparison with experimental observations validating the computational model and provide further insights into the fire resisting process. Parametric studies are conducted to investigate the effect of fire retardant additives on the fire performance of the composite sandwich panel leading to optimum designs for the sandwich panel.
Subject Composite and Hybrid Materials
Numerical Modelling and Mechanical Characterisation
Solid Mechanics
Keyword(s) A. Polymer-matrix composites (PMCs)
B. Thermal properties
C. Computational modelling
D. Thermal analysis
DOI - identifier 10.1016/j.compositesb.2014.02.010
Copyright notice © 2014 Elsevier Ltd. All rights reserved.
ISSN 1359-8368
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