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【英文标准名称】:StandardTestMethodforCriticalRadiantFluxofExposedAtticFloorInsulationUsinganElectricRadiantHeatEnergySource
【原文标准名称】:使用电辐射热能源测定暴露的屋顶层绝热材料辐射通量的标准试验方法
【标准号】:ASTMC1485-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C16.31
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:顶楼;临界;电的;能量;能源;楼板绝缘;楼板;热流;热源;绝缘;辐射能量;辐射通量;辐射加热;试验方法;试验
【英文主题词】:electricradiantpanel;heatflux;radiantpanel
【摘要】:Thistestmethodisdesignedtoprovideabasisforestimatingoneaspectofthefireexposurebehaviorofexposedinsulationinstalledonthefloorofanopenattic.Thetestenvironmentisintendedtosimulateatticfloorexposuretoradiantheatconditions.Radiantheathasbeenobservedanddefinedinfull-scaleatticexperiments.1.1Thistestmethodcoversaprocedureformeasuringthecriticalradiantfluxofexposedatticfloorinsulationsubjectedtoaflamingignitionsourceinagradedradiantheatenergyenvironmentinsideatestchamber.Thetestspecimencanbeanyatticfloorinsulation.Thistestmethodisnotapplicabletothoseinsulationsthatmeltorshrinkawaywhenexposedtotheradiantheatenergyenvironmentortheignitionsource.1.2Thistestmethodmeasuresthecriticalradiantfluxatthefarthestpointtowhichtheflameadvances.Itprovidesameansforrelativeclassificationofafiretestresponsestandardforexposedatticfloorinsulation.Theimposedradiantfluxsimulationlevelsofthermalradiationarelikelytoimpingeonthesurfaceofexposedatticinsulationfromroofassembliesheatedbythesunandbyheatorflamesofanincidentalfirewhichmayinvolveanatticspace.Thistestmethodisintendedtosimulateanimportantelementoffireexposurethatmaydevelopinopenattics,butisnotintendedforuseindescribingflamespreadbehaviorofinsulationinstalledotherthanonanatticfloor.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdosenotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerial,products,orassembliesunderactualfireconditions.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:91_120_10
【页数】:6P.;A4
【正文语种】: