GSO ISO 834-9:2015
耐火试验 建筑构件 第9部分：非承重屋顶构件的特殊要求

Fire-resistance tests -- Elements of building construction -- Part 9: Specific requirements for non-loadbearing ceiling elements

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标准号

GSO ISO 834-9:2015

发布

2015年

发布单位

GSO

当前最新

GSO ISO 834-9:2015

 

 

适用范围

This part of ISO 834 specifies test procedures for determining the fire resistance of non-loadbearing ceiling elements which possess fire resistance independent of any building element above them, when exposed to heating from below the ceiling. It is applicable to self-supporting ceilings and to ceilings suspended from, or fixed directly to, a supporting construction. The application of this test to other untested forms of construction is acceptable when the construction complies with the direct field of application as given in this part of ISO 834 or when subjected to an extended application analysis in accordance with ISO/TR 12470[1]. Since ISO/TR 12470 gives only general guidelines, specific extended application analyses are to be performed only by persons expert in fire-resistant constructions. This part of ISO 834 is not applicable to ceilings used as a horizontal fire barrier for the protection of a loadbearing element above, in which case performance is assessed as an integral part of the complete assembly using ISO 834-5.

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