ASTM E 55-1991 测定化学成分用锻制有色金属及其合金铸件的取样
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【英文标准名称】:SamplingWroughtNonferrousMetalsandAlloysforDeterminationofChemicalComposition
【原文标准名称】:测定化学成分用锻制有色金属及其合金铸件的取样
【标准号】:ASTME55-1991
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;抽样方法;金属;可锻合金;分析;工艺;测定;化学成分;有色金属;合金
【英文主题词】:processes;metals;alloys;samplingmethods;chemicalanalysisandtesting;wroughtalloys;chemicalcomposition;determination;analysis;non-ferrousmetals
【摘要】:
【中国标准分类号】:H10
【国际标准分类号】:77_120_00
【页数】:2P;A4
【正文语种】:英语
【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
基本信息
| 标准名称： | 无垫板卸机制造与验收技术条件 |
| 中标分类： |
农业、林业 >>
农、林机械与设备 >>
锯材、人造板机械与设备 |
| 替代情况： | 被LY/T 1006-2000代替 |
| 发布日期： | |
| 实施日期： | 1992-01-01 |
| 首发日期： | |
| 作废日期： | 2001-02-01 |
| 出版日期： | |
| 页数： | 2页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 农业 林业 农 林机械与设备 锯材 人造板机械与设备
