MATEC Web of Conferences
Volume 46, 20162nd International Seminar for Fire Safety of Facades
|Number of page(s)||9|
|Section||Test and Assessment Methods|
|Published online||04 May 2016|
Fire propagation over combustible exterior facades exposed to intensified flame in Japan
1 The University of Tokyo, Japan
2 National Institute for Land and Infrastructure Management (NILIM), Japan
3 Tokyo University of Science, Japan
4 Mitsubishi Plastics, Inc., Japan
a e-mail: email@example.com
With regard to fire safety for exterior walls of a building, fire-resistance performance is considered, according to the current Building Standard Law of Japan. And it was revealed that the fire safety is not specifically regulated from the viewpoint of reaction-to-fire performance, such as fire propagation caused by combustible materials or products installed on the exterior side of fire-resistant load-bearing walls. Actual fire incidents in the world have shown that massive façade fire could occur at the exterior side of building wall even when the wall itself is fire resistant. In previous studies of the authors, a test method of façade fire was proposed for evaluating the vertical fire propagation over an external wall within the same building [1,2]. Based on these studies, new domestic standard test method was established in Japan as JIS A 1310: 2015, “Test method for fire propagation over building façades” at the end of January 2015 . But there was the argument that heat output of burner inside the combustion chamber was not sufficiently high in the previous study. In this paper, results of fire tests on combustible façades are discussed from the viewpoints of different strength of flame exposing facade. In this research, it was clearly found that JIS A 1310 with heat output of 900kW could be applicable for evaluating fire propagation behaviour over various types of combustible exterior façades.
© Owned by the authors, published by EDP Sciences, 2016
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