英國(guó)耐火標(biāo)準(zhǔn) British Fire Resistance Standard
BS 476-20:Fire tests on building materials and structures-part 20: Methods for determination of the fire resistance of elements of construction (general principles)
BS 476-22: Fire tests on building materials and structures-part 22: Methods for determination of the fire resistance of non-loadbearing elements of construction
BS 476-24: Fire tests on building materials and structures-part 24:Method for determination of the fire resistance of ventilation ducts
歐盟耐火標(biāo)準(zhǔn) EU Fire Resistance Standard
EN 13501-2:Fire classification of construction products and building elements.
Part 2:Classification using data from fire resistance tests, excluding ventilation services
美國(guó)耐火標(biāo)準(zhǔn) USA Fire Resistance Standard
ASTM E 119 Standard Test Method for Fire Tests of Building Construction and Materials
國(guó)際耐火標(biāo)準(zhǔn) Internal Fire Resistance Standard
ISO 834 Fire-resistance tests - Elements of building construction
中國(guó)耐火標(biāo)準(zhǔn) GB Fire Resistance Standard
GB/T 9978 Fire resistance tests-Elements of building construction
耐火極限的劃分方法是根據(jù)耐火時(shí)間的長(zhǎng)短來(lái)考量了,從20分鐘到3小時(shí)??剂康闹笜?biāo)包含背火面是否起明火,表面溫升,是否漏煙,以及耐高壓消防水槍沖擊(僅ASTM E119)
耐火極限測(cè)試適用的建材包括:室內(nèi)隔斷,墻體結(jié)構(gòu),防火玻璃,防火填充料,通風(fēng)管道,立柱,橫梁,樓層地板,吊頂?shù)?/span>