Experimental study on transverse smoke temperature distribution in road tunnel fires

•Small-scale experiments with methanol pool fire were conducted.•Comparison for transverse and longitudinal temperature distributions was conducted.•A simplified correlation on transverse temperature distribution was developed.•Transverse fire location was taken into account.•The method is applicabl...

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Bibliographic Details
Published in:Tunnelling and underground space technology 2013-08, Vol.37, p.89-95
Main Authors: Fan, C.G., Ji, J., Gao, Z.H., Sun, J.H.
Format: Article
Language:English
Subjects:
Applied sciences
Building technical equipments
Buildings
Buildings. Public works
Ceiling jet
Ceilings
Correlation
Exact sciences and technology
Fire
Fire behavior of materials and structures
Fire protection
Fires
Roads
Smoke
Temperature
Temperature distribution
Tunnel
Tunnelling
Tunnels (transportation)
Tunnels, galleries
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Summary:•Small-scale experiments with methanol pool fire were conducted.•Comparison for transverse and longitudinal temperature distributions was conducted.•A simplified correlation on transverse temperature distribution was developed.•Transverse fire location was taken into account.•The method is applicable to practical fire engineering designs for tunnels. To assess the impact of smoke on the ceiling in tunnel fires, the smoke temperature under the ceiling was studied experimentally with small-scale experiments. This study focused on the transverse smoke temperature distribution in road tunnel fires as the longitudinal one has been widely researched. Comparison for the transverse and longitudinal smoke temperature distributions near the fire was conducted and the difference was researched. A correlation determining the transverse smoke temperature distribution under the ceiling was developed by taking the fire location into account.
ISSN:0886-7798
1878-4364
DOI:10.1016/j.tust.2013.04.005