Numerical studies of gypsum plasterboard panels under standard fire conditions
Gypsum plasterboards are commonly used as a fire safety material in the building industry. Many research studies have been undertaken to investigate the thermal behaviour of plasterboards under standard fire conditions. However, there are many discrepancies in relation to the basic thermal properties of plasterboards while simple equations are not available to predict the ambient surface time–temperature profiles of gypsum plasterboard panels that can be used in simulating the behaviour and strength of steel studs or joists in load bearing LSF wall and floor systems. In this research, suitable thermal properties of plasterboards were proposed based on a series of tests and available results from past research. Finite element models of gypsum plasterboard panels were then developed to simulate their thermal behaviour under standard fire conditions. The accuracy of the proposed thermal properties and the finite element models was validated by comparing the numerical results with available fire test results of plasterboard panels. This paper presents the details of the finite element models of plasterboard panels, the thermal analysis results from finite element analyses under standard fire conditions and their comparisons with experimental results
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|Item Type:||Journal Article|
|Keywords:||Gypsum Plasterboard Panels, Thermal Behaviour, Experiments, Finite Element Analysis, Standard Fire|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment|
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 Elsevier Ltd|
|Copyright Statement:||NOTICE: this is the author’s version of a work that was accepted for publication in Fire Safety Journal. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Fire Safety Journal, [VOL 53, October 2012]. DOI: 10.1016/j.firesaf.2012.06.007|
|Deposited On:||04 Sep 2012 08:43|
|Last Modified:||21 May 2013 12:48|
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