【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【英文标准名称】:Chemicalanalysisofferrousmaterials-Inductivelycoupledplasmaopticalemissionspectrometricanalysisofunalloyedandlowalloyedsteels-DeterminationofMn,P,Cu,Ni,Cr,Mo,V,Co,Al(total)andSn[Routinemethod];GermanversionEN10351:201
【原文标准名称】:黑色金属材料的化学分析.非合金和低合金钢的对电感耦合等离子体发射光谱分析.Mn,P,Cu,Ni,Cr,Mo,V,Co,Al(总)和Sn含量的测定(常规方法).德文版本EN10351-2011
【标准号】:EN10351-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-05
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:DINEN10351-2009
【标准类型】:()
【标准水平】:()
【中文主题词】:合金处理;铝;铝含量;分析;校正;铬;铬含量;钴;铜;铜含量;测定;含量测定;发射光谱学;感应耦合等离子体(ICP);感应耦合等离子体;低合金钢;锰;锰含量;质量浓度;方法;钼;钼含量;镍;镍含量;光谱仪;光学发射光谱法;磷;磷含量;常规试验;抽样方法;光谱测定法;光谱学;钢;试验设备;非合金的;非合金钢;钒;钒含量
【英文主题词】:Alloy-treated;Aluminium;Aluminiumcontents;Analysis;Calibration;Chromium;Chromiumcontent;Cobalt;Copper;Coppercontent;Determination;Determinationofcontent;Emissionspectroscopy;ICP;InductivelyCoupledPlasma;Low-alloysteels;Manganese;Manganesecontents;Massconcentration;Methods;Molybdenum;Molybdenumcontent;Nickel;Nickelcontent;OES;OpticalEmissionSpectroscopy;Phosphorus;Phosphoruscontent;Routinetests;Samplingmethods;Spectrometry;Spectroscopy;Steels;Testequipment;Unalloyed;Unalloyedsteels;Vanadium;Vanadiumcontent
【摘要】:
【中国标准分类号】:H11
【国际标准分类号】:77_140_10;77_140_45
【页数】:46P.;A4
【正文语种】:英语