ULC/CAN4-S126-M86屋顶下附属物的火焰传播测试方法

ULC/CAN4-S126-M86：屋顶下附属物的火焰传播测试方法
ULC/CAN4-S126-M86：Standard Method of Test for Fire Spread under Roof-Deck Assemblies

ULC CAN4-S126-M86摘要
This test method provides a means of measuring the contribution of roof-deck assembly components to the spread of fire on the underside of the roof deck. This method also provides for the assessment of the extent of thermal degradation and charring of the assembly. The acceptance criteria invoked in this Standard are based on correlative data developed in large scale, 30.5 by 6.0 m building, and tunnel furnace testing of representative field constructions.

Where the acceptance criteria are judged not to be applicable for the construction under evaluation (i.e. the deck constructions are markedly different from those described in the Standard), the large scale test or a series of small scale tests, representative of fire exposure conditions related to the large scale test, are to be conducted to establish correspondingly suitable acceptable criteria.

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 来源：防火网　发布时间：1/9/2014 点击次数：1863