ANSI/ASTM E84a-2008 建筑材料的表面燃烧特性用试验方法

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【英文标准名称】:TestMethodforSurfaceBurningCharacteristicsofBuildingMaterials
【原文标准名称】:建筑材料的表面燃烧特性用试验方法
【标准号】:ANSI/ASTME84a-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:施工材料;防火安全;火焰表面传播;测试
【英文主题词】:Construction;Constructionmaterials;Firesafety;Firesafetyinbuildings;Materials;Properties;Surfacespreadofflame;Surfaces;Testing
【摘要】:Thisfire-test-responsestandardforthecomparativesurfaceburningbehaviorofbuildingmaterialsisapplicabletoexposedsurfacessuchaswallsandceilings.Thetestisconductedwiththespecimenintheceilingpositionwiththesurfacetobeevaluatedexposedfacedowntotheignitionsource.Thematerial,product,orassemblyshallbecapableofbeingmountedinthetestpositionduringthetest.Thus,thespecimenshalleitherbeself-supportingbyitsownstructuralquality,heldinplacebyaddedsupportsalongthetestsurface,orsecuredfromthebackside.Thepurposeofthistestmethodistodeterminetherelativeburningbehaviorofthematerialbyobservingtheflamespreadalongthespecimen.Flamespreadandsmokedevelopedindexarereported.However,thereisnotnecessarilyarelationshipbetweenthesetwomeasurements.Theuseofsupportingmaterialsontheundersideofthetestspecimenhastheabilitytolowertheflamespreadindexfromthosewhichmightbeobtainedifthespecimencouldbetestedwithoutsuchsupport.Thesetestresultsdonotnecessarilyrelatetoindicesobtainedbytestingmaterialswithoutsuchsupport.Testingofmaterialsthatmelt,drip,ordelaminatetosuchadegreethatthecontinuityoftheflamefrontisdestroyed,resultsinlowflamespreadindicesthatdonotrelatedirectlytoindicesobtainedbytestingmaterialsthatremaininplace.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thetextofthisstandardreferencesnotesandfootnotesthatprovideexplanatoryinformation.Thesenotesandfootnotes,excludingthoseintablesandfigures,shallnotbeconsideredasrequirementsofthestandard.Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfire-hazardorfire-riskassessmentofthematerials,products,orassembliesunderactualfireconditions..Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P16
【国际标准分类号】:13_220_50;91_100_01
【页数】:
【正文语种】:英语