ASTM E 1529-2006 测定大型烃类物资贮存库燃烧对结构构件和组件的影响的标准试验方法
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来源:标准资料网
【英文标准名称】:StandardTestMethodsforDeterminingEffectsofLargeHydrocarbonPoolFiresonStructuralMembersandAssemblies
【原文标准名称】:测定大型烃类物资贮存库燃烧对结构构件和组件的影响的标准试验方法
【标准号】:ASTME1529-2006
【标准状态】:现行
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑;防火安全;烃类;试验
【英文主题词】:Construction;Firesafety;Hydrocarbons;Testing
【摘要】:
【中国标准分类号】:P26
【国际标准分类号】:13_220_01
【页数】:15P;A4
【正文语种】:英语
基本信息
标准名称: | 摇臂铣床 第2部分:技术条件 |
英文名称: | Radial milling machines-Part 2:Specification |
中标分类: |
机械 >>
金属切削机床 >>
钻、镗、铣床 |
ICS分类: |
机械制造 >>
机床 >>
镗床和铣床
|
替代情况: | 替代JB/T 3697-1996 |
发布部门: | 国家发展和改革委员会 |
发布日期: | 2006-11-27 |
实施日期: | 2007-05-01 |
首发日期: | |
作废日期: | |
提出单位: | 中国机械工业联合会 |
归口单位: | 全国金属切削机床标准化技术委员会 |
起草单位: | 南通纵横国际股份有限公司 |
起草人: | 夏娟、徐慕德 |
出版社: | 机械工业出版社 |
出版日期: | 2007-05-01 |
页数: | 9页 |
批文号: | 19238-2007 |
书号: | 15111·8037 |
适用范围
本部分适用于工作台面宽度为200mm-320mm一般用途的摇臂铣床和万能摇臂铣床。
前言
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目录
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引用标准
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所属分类: 机械 金属切削机床 钻 镗 铣床 机械制造 机床 镗床和铣床
【英文标准名称】:StandardTestMethodsforApparentPorosity,LiquidAbsorption,ApparentSpecificGravity,andBulkDensityofRefractoryShapesbyVacuumPressure
【原文标准名称】:用真空压力法测定成型耐火材料表观空隙率,吸水性,表观比重和体密度的标准试验方法
【标准号】:ASTMC830-2000(2011)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:C08.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:显气孔率;表观比重;体密度;松散材料密度;水合作用;耐火形状;真空压力;吸水率
【英文主题词】:apparentporosity;apparentspecificgravity;bulkdensity;hydration;refractoryshapes;vacuumpressure;waterabsorption
【摘要】:Apparentporosity,waterabsorption,apparentspecificgravity,andbulkdensityareprimarypropertiesofrefractoryshapes.Thesepropertiesarewidelyusedintheevaluationandcomparisonofproductqualityandaspartofthecriteriaforselectionanduseofrefractoryproductsinavarietyofindustrialapplications.Thesetestmethodsareusedfordetermininganyorallofthesepropertiesandareparticularlyusefulfortestinghydratableproducts.Thesetestmethodsareprimarystandardmethodsthataresuitableforuseinqualitycontrol,researchanddevelopment,establishingcriteriaforandevaluatingcompliancewithspecifications,andprovidingdatafordesignpurposes.Fundamentalassumptionsinherentinthesetestmethodsare:Thetestspecimensconformtotherequirementsforsize,configuration,andoriginalfaces,Theopenporesofthetestspecimensarefullyimpregnatedwithliquidduringthevacuum-pressuretreatment,andTheblottingofthesaturatedtestspecimensisperformedasspecifiedinaconsistentanduniformmannertoavoidwithdrawingliquidfromthepores.Deviationfromanyoftheseassumptionsadverselyaffectsthetestresults.Inlaboratorystudiesinvolvingcastablespecimen,abiaswasnotedbetweenformed2x00D7;2x00D7;2in.(50x00D7;50x00D7;50mm)andspecimensquarteredfromlarger9x00D7;4.5x00D7;2.5in.(228x00D7;114x00D7;64mm)castspecimens.Additionally,anerrorintheapparentporositydeterminationwasfoundoncastableswheneverthespecimenswereheatedto1500x00B0;F(816x00B0;C)andthenexposedtowaterasasaturationmedia.Theerrorwasattributedtoreactivityofcementwithwaterandsubsequentre-hydrationofcementphases.Thehigherthecementlevelofthecastable,thegreatertheerrornoted.Itwasconcludedthatanerrorinporosityvaluescouldoccurforrefractorymaterialshavingapotentialtoformhydratedspecieswithwater.Testingunderthesameconditionsinkeroseneproducedresultsthatwerebelievedtobemoreaccurate,butthedatasuggestedthatthekerosenemightnothavesaturatedtheopenporesofcastspecimenasreadilyaswater.Certainprecautionsmustbeexercisedininterpretingandusingresultsfromthesetestmethods.Allfourpropertyvaluesareinterrelatedbyatleasttwoofthethreebasedatavaluesgeneratedduringtesting.Thus,anerrorinanybasedatavaluewillcauseanerrorinatleastthreeofthepropertyvaluesforagiventestspecimen.Certainoftheproperties,thatis,apparentspecificgravityandbulkdensity,arefunctionsofotherfactorssuchasproductcomposition,compositionalvariabilitywithinthesameproduct,imperviousporosity,andtotalporosity.Generalizationsonorcomparisonsofpropertyvaluesshouldbejudiciouslymadebetweenlikeproductstestedbythesetestmethodsorwithfullrecognitionofpotentiallyinherentdifferencesbetweentheproductsbeingcomparedorthetestmethodused.Whenaliquidotherthanwaterisused,suchastypesofkeroseneormineralspirits,specificgravitymustbeknownbyeitherdeterminationormonitoringonacontrolledbasis.Specificgravitywillchangeduetodifferentgradesofliquids,evaporation,orcontaminationwithdirtorforeignmaterial.Thetestshouldnotberuniftheliquidbecomesdirty,foamy,orchangescolor,becauseforeignparticlescanblockporesandpreventimpregnationofthesample.1.1Thesetestmethodscoverthedeterminationofthefollowingpropert......
【中国标准分类号】:
【国际标准分类号】:81_080
【页数】:5P.;A4
【正文语种】: