EN 197-4-2004 水泥.第4部分:低早硬强度高炉水泥的组分、规范和合格标准

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【英文标准名称】:Cement-Part4:Composition,specificationsandconformitycriteriaforlowearlystrengthblastfurnacecements;GermanversionEN197-4:2004
【原文标准名称】:水泥.第4部分:低早硬强度高炉水泥的组分、规范和合格标准
【标准号】:EN197-4-2004
【标准状态】:现行
【国别】:
【发布日期】:2004-08
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:认证(认可);耐久性;水泥;合格证明书;建筑石灰;水合热;高炉水泥;规范;范围;物理性能;主要成份;机械试验;质量浓度;建筑产品;施工材料;定义;作标记;试验;组分;化学性质;材料强度;特性;机械性能;合格试验;建筑;持久性;合格;化学成分;组件;符号;CE标记;规范(验收);名称与符号
【英文主题词】:Blast-furnacecement;Buildinglime;CEmark;CEmarking;Cements;Certificatesofconformity;Certification(approval);Chemicalcomposition;Chemicalproperties;Components;Composition;Conformity;Conformitytesting;Construction;Constructionmaterials;Constructionalproducts;Definition;Definitions;Designations;Durability;Hydrationheat;Mainconstituents;Marking;Massconcentration;Mechanicalproperties;Mechanicaltesting;Permanency;Physicalproperties;Properties;Scope;Specification;Specification(approval);Strengthofmaterials;Symbols;Testing
【摘要】:
【中国标准分类号】:Q11
【国际标准分类号】:91_100_10
【页数】:27P.;A4
【正文语种】:英语


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基本信息
标准名称:环境标志产品认证技术要求 人造板及其制品
英文名称:The Technical Certifiable Requirement for Environmental Labeling Products Wood Based Panels & Finishing Products
中标分类:
ICS分类: 木材技术 >> 木基板材
替代情况:HJBZ 37-1999;被HJ 571-2010代替并废止
发布日期:
实施日期:2003-03-26
首发日期:
作废日期:2010-07-01
出版日期:
页数:2页
适用范围

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前言

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引用标准

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所属分类: 木材技术 木基板材
【英文标准名称】:StandardTestMethodforPreconstructionandConstructionEvaluationofMortarsforPlainandReinforcedUnitMasonry
【原文标准名称】:普通及钢筋混凝土砌块用灰浆的预施工及施工评定方法
【标准号】:ASTMC780-2009
【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】:C12.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aggregateratio;aircontent;compressivestrength;concretepenetrometer;conepenetrometer;consistency;consistencyretention;mortar;tensilestrength;Aggregateratio;Aggregate-to-cementratio;Aircontent;Compositionanalysis;Compressionte
【摘要】:Duringpreconstructionandconstructionevaluations,useofthesetestmethodsestablishesspecificandoverallperformancecharacteristicsforthemortarsystem.Preconstructiontestingofmortarsprebatchedbyweightprovidesinformationfortheselectionoftheindividualmortarsystembestsuitedforthemasonrytobeconstructed.Therecommendedtestsandtheirsignificanceareasfollows:Consistencydeterminationsbyconepenetrationallowgagingthewateradditionsforallmortarsincludedinthepreconstructiontestseries.Evenifthemortarconsistencyasmeasuredattheconstructionsiteisatadifferentpenetrationvaluethanthosemeasuredduringthepreconstructiontests,theconepreparationtestservestostandardizewateradditionsformortarsbeingconsideredasalternativesbeforeconstruction.Additionaltestingofmortarwatercontent-consistencyrelationships(AnnexA4)willallowrelatingthesetwofactorstobatch-to-batchvariationsattheconstructionsite.Consistencyretentionbyconepenetrationusingdisturbedorundisturbedmortarsamplesprovidesameansofestablishingtheearly-agesettingandstiffeningcharacteristicsofthemortars.Becauselaboratorytestingisconductedunderstaticclimaticconditions,consistencyretentiontestresultsreflecttherelativeperformanceofthemortarsystemsundertest.Thesamegeneralrelationshipsareexpectedtoholdduringtestingattheconstructionproject,exceptastheyareinfluencedbyjobsiteweatherconditions.Mortarwater-contentdeterminations(AnnexA4)allowmeasurementofthewatercontentofthemortarmixture.Mortarsprebatchedusingmoistmasonrysandmaybemathematicallyanalyzedformortarwatercontent;however,thistest,whenusedforpreconstructionevaluation,establishestheeffectivenessofthetestmethodandservesasthecontrolorbasefortestsperformedattheconstructionsite.Mortaraggregateratiotestingprovidesamethodfordeterminingtheratioofaggregate-to-cementitiousmaterials.Thesievingoperationemployedduringthistestisincapableofseparatinganindividualcementitiousmaterialwhenmorethanonesuchmaterialisused,butcanaccuratelyestablishtheaggregate-to-cementitiousmaterialsratioofthemixture.Mortarair-contenttestingisusefulinestablishingthevalueofthiscomponentofthemortar.Thistestisofparticularimportanceinevaluatingmortarsthatcontainair-entrainingportlandcement,air-entraininglime,masonrycementoranycombinationthereof.Compressivestrengthtestingofmoldedmortarcylindersandcubesestablishesoneofthecharacteristicsofhardenedmortar.Mortarcompressivestrengthtestvaluesarenotrepresentativeoftheactualcompressivestrengthofmortarintheassemblyandarenotappropriateforuseinpredictingthecompressivestrengththatwouldbeattainedbythemortarinthemasonryassembly.Themeasuredcompressivestrengthofamoldedmortarspecimenisalmostalwayslowerthanthestrengthofthesamemortarinthewall,primarilyasaresultofdifferencesinmortarwatercontentandspecimenshape.Mortarcompressivestrengthisinfluencedbymortarwatercontentatthetimeofset.Becausemoldedmortarspecimensarenotincontactwithabsorptivemasonryunitsandarenotsubjectedtoothermechanismsofwaterloss,theyhavehigherwatercontentsthanmortarinthewall.Higherwatercontentsalmostalwaysresultinlowerstrengths.Specimensizeandshapealsoaffectcompressivestrength.Cylindersandcubesexhibitdifferentstrengthsevenwhenmadefromthesamemortarmix.Bothofthesespecimenconfigurationsyieldlowerstrengthsthanwhatwouldbeattainedifaspecimenhavingthesamesizeandconfigurationofatypicalmortarjointcouldbereliablytested.Note