ASTM E2061-2009a 铁路运输车辆着火危险评估标准指南

作者:标准资料网 时间:2024-04-26 21:44:49  浏览:8062   来源:标准资料网

【英文标准名称】:StandardGuideforFireHazardAssessmentofRailTransportationVehicles
【原文标准名称】:铁路运输车辆着火危险评估标准指南
【标准号】:ASTME2061-2009a
【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】:E05.17
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:Firehazardassessment;Fire-testresponse;Railtransportationvehicles;Transportation
【摘要】:Thisguideisintendedforusebythoseundertakingthedevelopmentoffirehazardassessmentsforrailtransportationvehiclesandproductscontainedwithinrailtransportationvehicles.Thisguideprovidesinformationonanapproachtodevelopafirehazardassessment,butfixedproceduresarenotestablished.Anylimitationsintheavailabilityofdata,ofappropriatetestprocedures,ofadequatefiremodels,orintheadvancementofscientificknowledge,willplacesignificantconstraintsupontheprocedurefortheassessmentoffirehazard.Afirehazardassessmentdevelopedfollowingthisguidemustspecifyallstepsrequiredtodeterminefirehazardmeasuresforwhichsafetythresholdsorpass/failcriteriacanbemeaningfullysetbyresponsibleauthorities.Itispreferredthatsuchexerciseshaveinputfromvarioussources.Outcomes:UseandApplication.Afirehazardassessmentdevelopedasaresultofusingthisguideshouldbeabletoassessanewproductbeingconsideredforuseinacertainrailtransportationvehicleandreachoneoftheconclusionslistedin4.4.1-4.4.4.NewProductSaferthanProductCurrentlyinUse.Thenewproductissafer,intermsofpredictedfireperformance,thantheoneinestablisheduse.Inthiscase,thenewproductisdesirable,fromthepointofviewoffiresafety.NewProductEquivalentinSafetytoProductCurrentlyinUse.Thereisnodifferencebetweenthepredictedfiresafetyofthenewproductandoftheoneinestablisheduse.Inthiscase,useofthenewproductprovidesneitheradvantagenordisadvantage,fromthepointofviewoffiresafety.NewProductLessSafethanProductCurrentlyinUse.Thenewproductislesssafe,intermsofpredictedfireperformance,thantheoneinestablisheduse.Inthiscase,adirectsubstitutionofproductswouldprovidealowerlevelofsafetyandthenewproductwouldbeundesirable,andshouldnotbeused,fromthepointofviewoffiresafety,withoutothercompensatorychangesbeingmade.NewProductDifferentinSafetytoProductCurrentlyinUse.Anewproductthatislesssafe,intermsofpredictedfireperformance,canneverthelessbemadeacceptableif,andonlyif,itispartofacomplete,comprehensive,firesafetydesignfortherailtransportationvehicle.Suchredesignofthevehicleshouldincludeotherfeaturessuchasuseofanalternativelayoutorincreaseduseofautomaticfireprotectionsystems,thatdemonstrablyproducethesameorbettersafetyforthecompletedesign.Insuchcases,amorein-depthfirehazardassessmentwouldhavetobeconductedtoensurethattheentiredesignachievesthesafetygoals,andthenewproductwouldbeacceptableonlyaspartofthelarger,approveddesign.Thenewproductcouldoffersomesafetyadvantagesandsomesafetydisadvantagesovertheiteminestablisheduse.Anexampleofsuchanoutcomecouldbeincreasedsmokeobscurationwithdecreasedheatrelease.Insuchcases,amorein-depthfirehazardassessmentwouldhavetobeconductedtoensurethattheadvantagesoutweighthedisadvantages,andtheresultingoveralllevelofsafetyisnolessthanthatprovidedbythetraditionalapproach(seeTableX1.1andAppendixX1).Followingtheanalysisdescribedin4.4,afirehazardassessmentdevelopedfollowingthisguidewouldreachaconclusionregardingthedesirabilityofthenewproductstudied.Itisessentialfortheresultsoftheassessmenttoleadtoadesignthatisatleastassafeastheonebeingreplaced.1.1Thisisaguidetodevelopingfirehazardassessmentsforrailtranspor......
【中国标准分类号】:C80
【国际标准分类号】:45_120
【页数】:24P.;A4
【正文语种】:英语