NDLI: Thermal Breakage of Tempered Glass Façade with Down-Flowing Water Film Under Different Heating Rates

Content Provider	Springer Nature Link
Author	Shao, Guangzheng Wang, Qingsong Zhao, Han Wang, Yu Sun, Jinhua He, Linghui
Copyright Year	2015
Abstract	The objective of this work is to investigate the effect of the heating rate on the thermal breakage and fallout behavior of the tempered glass with down-flowing water film. The heating rate of the glass panes was controlled by changing the distance between the fire source and the glazing surface, which ranged from 0.6°C s−1 to 1.0°C s−1. N-heptane pool fire was adopted to heat up the glass panes and the fuel pan was positioned 500 or 600 mm away from the exposed glass surface. During the experiments the water film was initiated manually when the maximum glazing temperature reached different designed values. The results show that all the glazing panes kept their integrity when the fire source distance was 500 mm. In contrast, all the glass panes cracked and fell out the frame when the fire source distance was 600 mm except the one with the water film discharged at 200°C. The results illustrate that the heating rate plays a key role on the breakage of glass façades. Under the effect of water film or sprinkler system, glass panes are more likely to fail when exposed to a fire with smaller heat release rate or greater distance, rather than the opposite case.
Starting Page	563
Ending Page	580
Page Count	18
File Format	PDF
ISSN	00152684
Journal	Fire Technology
Volume Number	52
Issue Number	2
e-ISSN	15728099
Language	English
Publisher	Springer US
Publisher Date	2015-05-27
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Tempered glass Thermal breakage Water film Heating rate Fire Civil Engineering Mechanics Characterization and Evaluation of Materials Physics
Content Type	Text
Resource Type	Article
Subject	Materials Science Safety, Risk, Reliability and Quality

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