【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】:ASTMC780-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:合计比率;空气含量;抗压强度;混凝土渗透仪;锥探议;一致性;一致性保持;灰浆;抗拉强度
【英文主题词】:aggregateratio;aircontent;compressivestrength;concretepenetrometer;conepenetrometer;consistency;consistencyretention;mortar;tensilestrength
【摘要】:Duringpreconstructionandconstructionevaluations,useofthesetestmethodsestablishesspecificandoverallperformancecharacteristicsforthemortarsystem.Preconstructiontestingofmortarsprebatchedbyweightprovidesinformationfortheselectionoftheindividualmortarsystembestsuitedforthemasonrytobeconstructed.Therecommendedtestsandtheirsignificanceareasfollows:Consistencydeterminationsbyconepenetration(AnnexA1)allowgagingthewateradditionsforallmortarsincludedinthepreconstructiontestseries.Evenifthemortarconsistencyasmeasuredattheconstructionsiteisatadifferentpenetrationvaluethanthosemeasuredduringthepreconstructiontests,theconepreparationtestservestostandardizewateradditionsformortarsbeingconsideredasalternativesbeforeconstruction.Additionaltestingofmortarwatercontent-consistencyrelationships(AnnexA4)willallowrelatingthesetwofactorstobatch-to-batchvariationsattheconstructionsite.Consistencyretentionbyconepenetration(AnnexA2)usingdisturbedorundisturbedmortarsamplesprovidesameansofestablishingtheearly-agesettingandstiffeningcharacteristicsofthemortars.Becauselaboratorytestingisconductedunderstaticclimaticconditions,consistencyretentiontestresultsreflecttherelativeperformanceofthemortarsystemsundertest.Thesamegeneralrelationshipsareexpectedtoholdduringtestingattheconstructionproject,exceptastheyareinfluencedbyjobsiteweatherconditions.Mortarwater-contentdeterminations(AnnexA4)allowmeasurementofthewatercontentofthemortarmixture.Mortarsprebatchedusingmoistmasonrysandmaybemathematicallyanalyzedformortarwatercontent;however,thistest,whenusedforpreconstructionevaluation,establishestheeffectivenessofthetestmethodandservesasthecontrolorbasefortestsperformedattheconstructionsite.Mortaraggregateratiotesting(AnnexA4)providesamethodfordeterminingtheratioofaggregate-to-cementitiousmaterials.Thesievingoperationemployedduringthistestisincapableofseparatinganindividualcementitiousmaterialwhenmorethanonesuchmaterialisused,butcanaccuratelyestablishtheaggregate-to-cementitiousmaterialsratioofthemixture.Mortarair-contenttesting(AnnexA5)isusefulinestablishingthevalueofthiscomponentofthemortar.Thistestisofparticularimportanceinevaluatingmortarsthatcontainair-entrainingportlandcement,air-entraininglime,masonrycementoranycombinationthereof.Compressivestrengthtesting(AnnexA6)ofmoldedmortarcylindersandcubesestablishesoneofthecharacteristicsofhardenedmortar.Mortarcompressivestrengthtestvaluesarenotrepresentativeoftheactualcompressivestrengthofmortarintheassemblyandarenotappropriateforuseinpredictingthecompressivestrengththatwouldbeattainedbythemortarinthemasonryassembly.Themeasuredcompressivestrengthofamoldedmortarspecimenisalmostalwayslowerthanthestrengthofthesamemortarinthewall,primarilyasaresultofdifferencesinmortarwatercontentandspecimenshape.Mortarcompressivestrengthisinfluencedbymortarwatercontentatthetimeofset.Becausemoldedmortarspecimensarenotincontactwithabsorptivemasonryunitsandarenotsubjectedtoothermechanismsofwaterloss,theyhavehigherwatercontentsthanmortarinthewall.Higherwatercontentsalmostalwaysresultinlowerstrengths.Specimensizeandshapealsoaffectcompressivestrength.Cylindersandcubesexhibitdifferentstrengthsevenwhenmadefromthesamemortarmix.Bothofthesespecimenconfigurationsyieldlowerstrengthsthanwhatwouldbeattainedifaspecimenhavingthesamesizeandconfigurationofatypicalmortarjointcouldbereliablytested.【英文标准名称】:Hand-heldbranchpipesforfireserviceuse-Part3:Smoothborejetand/oronefixedsprayjetanglebranchpipesPN16;GermanversionEN15182-3:2007+A1:2009
【原文标准名称】:消防设备用手持式支管.第3部分:PN16型滑膛喷射器和/或一个固定喷射器的弯角支管
【标准号】:DINEN15182-3-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;定向喷射;设备安全;消防队;消防喷咀;消防;消防设备;流量率;全喷射;功能;水压;检验;作标记;机械性能;多用途;多用支管;规范(验收);喷雾咀;试验;用户信息;消防队用阀门和配件;阀门;工作范围
【英文主题词】:Definitions;Directedspray;Equipmentsafety;Firebrigade;Firenozzles;Firefighting;Firefightingequipment;Flowrates;Fulljet;Functions;Hydraulicpressure;Inspection;Marking;Mechanicalproperties;Multi-purpose;Multi-purposebranchpipes;Specification(approval);Sprayernozzles;Testing;Userinformation;Valveandfittingforfirebrigades;Valves;Workingrange
【摘要】:InadditiontotherequirementsgiveninEN15182-1,thisdocumentappliestosmoothborejetand/oronefixedsprayjetanglebranchpipesforthefireserviceusewithanominalpressureof16bar.
【中国标准分类号】:C84
【国际标准分类号】:13_220_10
【页数】:12P.;A4
【正文语种】:德语