【英文标准名称】:Aggregatesforconcrete
【原文标准名称】:混凝土用集料
【标准号】:BSEN12620-2002+A1-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2002-10-07
【实施或试行日期】:2002-10-07
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:集料;混凝土用集料;表观颗粒密度;化学性质;组分;混凝土;建筑;施工材料;定义;灌充器械;几何特性;检验;作标记;矿质集料;物理性能;性能;质量保证;道路建筑;公路建设;道路;规范(验收);表层;测试
【英文主题词】:Aggregates;Aggregatesforconcrete;Apparentparticledensity;Chemicalproperties;Composition;Concretes;Construction;Constructionmaterials;Definition;Definitions;Fillinginstruments;Geometricalproperties;Inspection;Marking;Mineralaggregates;Physicalproperties;Properties;Qualityassurance;Roadconstruction;Roads;Specification(approval);Surfacelayers;Testing
【摘要】:ThisEuropeanStandardspecifiesthepropertiesofaggregatesandfilleraggregatesobtainedbyprocessingnatural,manufacturedorrecycledmaterialsandmixturesoftheseaggregatesforuseinconcrete.Itcoversaggregateshavinganovendriedparticledensitygreaterthan2,00Mg/m3(2000kg/m3)forallconcrete,includingconcreteinconformitywithEN206-1andconcreteusedinroadsandotherpavementsandforuseinprecastconcreteproducts.!Italsocoversrecycledaggregatewithdensitiesbetween1,50Mg/m3(1500kg/m3)and2,00Mg/m3(2000kg/m3)withappropriatecaveatsandrecycledfineaggregate(4mm)withappropriatecaveats."ItalsospecifiesthataqualitycontrolsystemisinplaceforuseinfactoryproductioncontrolanditprovidesfortheevaluationofconformityoftheproductstothisEuropeanStandard.Thisstandarddoesnotcoverfilleraggregatestobeusedasaconstituentincementorasotherthaninertfilleraggregatesforconcrete.?NOTE1AggregatesusedinconstructionshouldcomplywithalltherequirementsofthisEuropeanStandard.AswellasfamiliarandtraditionalnaturalandmanufacturedaggregatesMandateM/125“Aggregates”includedrecycledaggregatesandsomematerialsfromneworunfamiliarsources.Recycledaggregatesareincludedinthestandardsandnewtestmethodsforthemareatanadvancedstageofpreparation.Forunfamiliarmaterialsfromsecondarysources,however,theworkonstandardisationhasonlystartedrecentlyandmoretimeisneededtodefineclearlytheoriginsandcharacteristicsofthesematerials.Inthemeantimesuchunfamiliarmaterialswhenplacedonthemarketasaggregatesmustcomplyfullywiththisstandardandnationalregulationsfordangeroussubstances(seeAnnexZAofthestandard)dependingupontheirintendeduse.Additionalcharacteristicsandrequirementsmaybespecifiedonacasebycasebasisdependinguponexperienceofuseoftheproduct,anddefinedinspecificcontractualdocuments.?NOTE2Propertiesforlightweightaggregatesarespecifiedin!EN13055-1:2002".
【中国标准分类号】:Q13
【国际标准分类号】:91_100_15;91_100_30
【页数】:60P.;A4
【正文语种】:英语


【英文标准名称】:TraceabilityofradioaktivesourcesoftheNationalInstituteofStandardsandTechnology(NIST)andassociatedinstrumentqualitycontrol
【原文标准名称】:国家制订的标准、技术和相关仪器质量管理辐射源的可追踪性
【标准号】:IEEEN42.22-1995
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:可追踪性;质量保证;电气工程;认证;放射性;辐射测量;放射性核素;放射源;质量管理;放射性物质;辐射;核技术
【英文主题词】:
【摘要】:
【中国标准分类号】:F70
【国际标准分类号】:27_120_00
【页数】:11P;A4
【正文语种】:英语