Auto-extinction of engineered timber: Application to compartment fires with exposed timber surfaces

A series of compartment fire tests with multiple exposed timber surfaces have been undertaken to explore the effect of exposed timber on the fire dynamics and the potential for auto-extinction. A test with exposed wall and ceiling achieved auto-extinction after approximately 21min. Firepoint theory...

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Bibliographic Details
Published inFire safety journal Vol. 91; pp. 407 - 413
Main Authors Bartlett, Alastair I., Hadden, Rory M., Hidalgo, Juan P., Santamaria, Simón, Wiesner, Felix, Bisby, Luke A., Deeny, Susan, Lane, Barbara
Format Journal Article
LanguageEnglish
Published Lausanne Elsevier Ltd 01.07.2017
Elsevier BV
Subjects
Compartment fires
Data processing
Exposure
Extinction
Firepoint theory
Fires
Heat transfer
Performance-based design
Timber
Performance-based design
Firepoint theory
Compartment fires
Extinction
Heat transfer
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Summary:A series of compartment fire tests with multiple exposed timber surfaces have been undertaken to explore the effect of exposed timber on the fire dynamics and the potential for auto-extinction. A test with exposed wall and ceiling achieved auto-extinction after approximately 21min. Firepoint theory is applied using temperature data at the charline, is shown to predict a mass loss rate dropping below the critical value at 20–21min, and thus is successful in predicting auto-extinction. Additional uncertainties caused by delamination are explored, and recommendations for the use of auto-extinction in design are given.
ISSN:0379-7112
1873-7226
DOI:10.1016/j.firesaf.2017.03.050