Modelling prefabricated timber floors in fire (2012)
Current regulations on the use of structural timber in large multi-storey buildings can be restrictive due to a perceived higher level of risk with regards to fire safety. This research investigates the fire performance of unprotected timber floors for use in these types of buildings, involving both modelling and experimental testing. To fully characterise the behaviour of composite timber floor systems in fires, 3D numerical modelling was performed using finite element software. In order to validate the numerical results, full scale furnace testing of the floors was undertaken at the Building Research Association of New Zealand. The final goal of this research is to develop simplified design models to reliably predict the expected fire resistance of these floors for different floor geometries, spans, materials and loading conditions.
CitationO'Neill, J., Abu, A., Carradine, D., Moss, P., Buchanan, A. (2012) Modelling prefabricated timber floors in fire. Auckland, New Zealand: World Conference on Timber Engineering (WCTE 2012), 15-19 Jul 2012. Strength and Serviceability - Extreme Events, 218-226.
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Keywordstimber engineering; structural fire engineering; floors; slabs; Timber floors; Fire exposure; Modelling; Furnace testing; Laminated veneer lumber
ANZSRC Fields of Research40 - Engineering::4005 - Civil engineering::400504 - Construction engineering
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O'Neill, J.W.; Abu, A.K.; Carradine, D.M.; Moss, P.J.; Buchanan, A.H. (University of Canterbury. Civil and Natural Resources Engineering, 2012)This paper describes numerical modelling to predict the fire resistance of engineered timber floor systems. The floor systems under investigation are timber composite floors (various timber joist and box floor cross ...
Spellman, P.M.; Abu, A.K.; Carradine, D.M.; Moss, P.J.; Buchanan, A.H. (University of Canterbury. Civil and Natural Resources Engineering, 2012)This paper describes a series of three full-scale furnace tests on post-tensioned LVL box beams loaded with vertical loads, and presents a proposed fire design method for post-tensioned timber members. The design method ...
Spellman, P.; Carradine, D.; Abu, A.; Moss, P.; Buchanan, A. (University of Canterbury. Civil and Natural Resources Engineering, 2012)This paper describes a series of full-scale furnace tests on loaded post tensioned LVL beams. Each beam was designed to exhibit a specific failure mechanism when exposed to the standard ISO834 fire. In addition to the beams ...