【英文标准名称】:Fireresistance-Testsforthermo-physicalandmechanicalpropertiesofstructuralmaterialsatelevatedtemperaturesforfireengineeringdesign
【原文标准名称】:防火.高温下对防火工程设计用结构材料的热物理和机械特性的试验
【标准号】:ISO/TR15655-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-04
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC92
【标准类型】:()
【标准水平】:()
【中文主题词】:热性能;木材;燃烧试验;耐火性;机械性能;混凝土;防火安全;金属;高温试验;施工材料;砖石工程;防火;塑料
【英文主题词】:firesafety;thermalproperties;high-temperaturetesting;masonry;mechanicalproperties;firetests;constructionmaterials;fireresistance;wood;concretes;metals;plastics;fireprotection
【摘要】:ThisTechnicalReportidentifiestestmethodsalreadyinexistenceandprovidesguidanceonthosethatneedtobedevelopedtocharacterizethethermo-physicalandmechanicalpropertiesofstructuralmaterialsatelevatedtemperaturesforuseinfiresafetyengineeringcalculations.Itisapplicabletomaterialsusedinload-bearingconstructioninwhichstructuralandthermalcalculationsmightberequiredtoassesstheperformanceofelementsorsystemsexposedtoeitherstandardfiretests,realordesignfireheatingconditions.Itisrecognizedthattheelevatedtemperaturepropertiesofmaterialscanbedeterminedunderavarietyofconditions.Sincefireisarelativelyshorttransientprocesslastingfromafewminutestoseveralhours,ideally,thepropertiesdeterminedshouldreflectthetransientthermalandloadingconditionsaswellasthedurationofheatingthatmaybeexperiencedinpractice.However,itisalsorecognizedthatsomepropertiesarerelativelyinsensitivetothetransientconditionsandtherefore,alternativesteadystatetestmethodsmaybeappropriate.Somepropertiesaresensitivetoorientationeffects,forexampletimber,andtheseshouldbeconsideredwithrespecttohowthetestsareconducted.Incaseswherematerialsundergoeitherachemicaloraphysicalreactionduringtheheatingprocess,itmightbeimpossibletodetermineanindividualproperty.ThisTechnicalReportgivesguidanceinselectingatestmethodtodetermineaneffectivevaluerepresentingacombinationofproperties.Itisalsorecognizedthatatestspecimenmaybecomprisedofasmallconstructionsuchasthatusedinthetestingofmasonry.Thisofteninvolvesbuildingaminiassemblytoformapyramidinordertorepresentthetruebehaviour.Apartfromthetraditionalconstructionmaterialssuchasmetals,concrete,masonryandwood,theuseofplasticsandfibrereinforcementisbecomingmorecommon.ThereforethesematerialshavealsobeenincludedinthisTechnicalReporttoreflectpossiblefuturechangesindesignandadvancesinmaterialstechnology.Inthepast,thebehaviourofjointingsystemsinfirehasonlyreceivedalittleinterestyettheirbehaviourisfundamentaltotheperformanceofcompositeelementsandstructuralframes.ThisTechnicalReportalsoaddressesjointingsystemsunderindividualmaterials,forexampleweldsforsteel,gluesfortimber.However,inmanycases,theenduseofanadhesiveisnotclearoritcoversarangeofapplications.Forthisreasonaseparatecategoryforadhesivesisincluded.Forsomematerials,ithasnotbeenpossibletoidentifyanexistingstandardorlaboratoryprocedureforconductingtestsatelevatedtemperaturesundereithersteadystateortransientheatingconditions.Inthesecases,standardsforconductingtestsatambienttemperatureareidentified.Thesemaybeconsideredtoformthebasisfordevelopmentintoatestmethodsuitableatelevatedtemperatures.Baseduponcurrentfiredesignmethodologiesandthosethatarebeginningtoreceiveattention,Table1andTable2summarizetherequirementsandavailabilityoftestmethodsformeasuringthethermalandmechanicalpropertiesconsideredtohaveanimmediatepriority.NOTEForcompositeconcreteandsteelstructuresthematerialpropertiesrequiredareaddressedundereachindividualmaterial.
【中国标准分类号】:P16
【国际标准分类号】:13_220_40
【页数】:46P;A4
【正文语种】:英语


Product Code:SAE J1398
Title:Stop Lamps for Use on Motor Vehicles 2032 Mm Or More in Overall Width
Issuing Committee:Heavy Duty Lighting Standards Committee
Scope:This SAE Standard provides test procedures, requirements, and guidelines for stop lamps intended for use on vehicles 2032 mm or more in overall width. Stop lamps conforming to the requirements of this document may be used on vehicles less than 2032 mm in overall width.