【英文标准名称】:StandardTestMethodsforFireTestsofBuildingConstructionandMaterials
【原文标准名称】:建筑结构和材料燃烧试验的标准试验方法
【标准号】:ASTME119-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E05.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:beams;buildingconstruction;buildingelements;buildingmaterials;columns;elementsofbuildingconstruction;fire;fireendurance;fireresistance;fireresistancerating;fire-test-responsestandard;floors;furnace;girders;loadbearing;non-loadbea
【摘要】:Thesetestmethodsareintendedtoevaluatethedurationforwhichthetypesofbuildingelementsnotedin1.1containafire,retaintheirstructuralintegrity,orexhibitbothpropertiesduringapredeterminedtestexposure.Thetestexposesatestspecimentoastandardfirecontrolledtoachievespecifiedtemperaturesthroughoutaspecifiedtimeperiod.Whenrequired,thefireexposureisfollowedbytheapplicationofaspecifiedstandardfirehosestreamappliedinaccordancewithPracticeE2226.Thetestprovidesarelativemeasureofthefire-test-responseofcomparablebuildingelementsunderthesefireexposureconditions.Theexposureisnotrepresentativeofallfireconditionsbecauseconditionsvarywithchangesintheamount,natureanddistributionoffireloading,ventilation,compartmentsizeandconfiguration,andheatsinkcharacteristicsofthecompartment.Variationfromthetestconditionsortestspecimenconstruction,suchassize,materials,methodofassembly,alsoaffectsthefire-test-response.Forthesereasons,evaluationofthevariationisrequiredforapplicationtoconstructioninthefield.Theteststandardprovidesforthefollowing:Forwalls,partitions,andfloororrooftestspecimens:Measurementofthetransmissionofheat.Measurementofthetransmissionofhotgasesthroughthetestspecimen.Forloadbearingelements,measurementoftheloadcarryingabilityofthetestspecimenduringthetestexposure.Forindividualloadbearingmemberssuchasbeamsandcolumns:Measurementoftheloadcarryingabilityunderthetestexposurewithconsiderationfortheendsupportconditions(thatis,restrainedornotrestrained).Theteststandarddoesnotprovidethefollowing:Informationastoperformanceoftestspecimensconstructedwithcomponentsorlengthsotherthanthosetested.Evaluationofthedegreebywhichthetestspecimencontributestothefirehazardbygenerationofsmoke,toxicgases,orotherproductsofcombustion.Measurementofthedegreeofcontrolorlimitationofthepassageofsmokeorproductsofcombustionthroughthetestspecimen.Simulationofthefirebehaviorofjointsbetweenbuildingelementssuchasfloor-wallorwall-wall,etc.,connections.Measurementofflamespreadoverthesurfaceoftestspecimens.Theeffectonfire-resistanceofconventionalopeningsinthetestspecimen,thatis,electricalreceptacleoutlets,plumbingpipe,etc.,unlessspecificallyprovidedforintheconstructiontested.AlsoseeTestMethodE814fortestingoffirestops.1.1Thetestmethodsdescribedinthisfire-test-responsestandardareapplicabletoassembliesofmasonryunitsandtocompositeassembliesofstructuralmaterialsforbuildings,includingloadbearingandotherwallsandpartitions,columns,girders,beams,slabs,andcompositeslabandbeamassembliesforfloorsandroofs.Theyarealsoapplicabletootherassembliesandstructuralunitsthatconstitutepermanentintegralpartsofafinishedbuilding.1.2Itistheintentthatclassificationsshallregistercomparativeperformancetospecificfire-testconditionsduringtheperiodofexposureandshallnotbeconstruedashavingdeterminedsuitabilityunderotherconditionsorforuseafterfireexposure.1.3Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,productsorassembliesunderactualfireconditions.1.4Thesetestmethodsprescribeastandardfireexpo......
【中国标准分类号】:P16
【国际标准分类号】:91_100_01
【页数】:31P.;A4
【正文语种】:英语