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Experimental Analysis of Glazing Breakage at the Wildland Urban Interface Microscale

Abstract : Fires in Wildland-Urban Interface (WUI) areas have rapidly expanded in frequency and severity over the past few decades, and the number of structures lost per year is also increasing. One of the most vulnerable elements of a house are glazing systems, which, when exposed to fire, can crack and break, allowing a fire to enter the structure. Studies have been performed in the past to investigate the resistance to fire of glazing systems containing float glass (commonly present at the WUI), but there is a large discrepancy in the obtained results. A set of laboratory experiments has therefore been performed on single and double pane float glazing systems of different thicknesses (4 and 6 mm) exposed to uniform radiant heat, with the objective of identifying the criteria which cause the onset of cracking. Results show that a windows’ resistance increases with glass thickness, and an attempt to use a thermal dose criterion was made. No criterion related to temperature could be identified, since the obtained temperature data is very scattered.
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Submitted on : Tuesday, December 14, 2021 - 9:59:21 AM
Last modification on : Thursday, May 26, 2022 - 3:00:58 AM

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  • HAL Id : hal-03478759, version 1

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Frederic Heymes, Elisabeth Ismael, Pascale Vacca, Clément Chanut, Eulàlia Planas, et al.. Experimental Analysis of Glazing Breakage at the Wildland Urban Interface Microscale. AOSFST 2021 – 12th Asia-Oceania Symposium on Fire Science and Technology, Dec 2021, Brisbane (En ligne), Australia. ⟨hal-03478759⟩

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