ASTM C685/C685M-2010 利用连续混合法和体积配料法制备混凝土的标准规范

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【英文标准名称】:StandardSpecificationforConcreteMadebyVolumetricBatchingandContinuousMixing
【原文标准名称】:利用连续混合法和体积配料法制备混凝土的标准规范
【标准号】:ASTMC685/C685M-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】:C09.40
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:预拌混凝土;试验;混凝土结构材料/设施-规范;连续混合操作;预拌混凝土-规范;体积测量-水泥/混凝土
【英文主题词】:ready-mixedconcrete;testing;Concreteconstructionmaterials/applications--specifications;Continuousmixingoperations;Ready-mixedconcrete--specifications;Volumetricmeasurement--cement/concrete
【摘要】:A1.2.1Thesetestsandrequirementsareusedtoevaluateloadingandoperatingprocedures;verifytheaccuracyofproportioningandindicatingsystems;anddetermineifmixinguniformityhasbeendegradedbyexcessivewearorbyaccumulationsofhardenedconcrete,orboth(NoteA1.1).NoteA1.18212;Themethodofloadingthebatching-mixingunit,propermaintenance,andotherfactorsmayhaveaneffectontheabilityoftheunittoproduceuniformlymixedconcrete.Forthisreason,theuseofthistestmethodnotonlymeasurestheefficiencyofthemixer,butalsothecombinedeffectofthemethodofloadingandoperatingtheunit.A1.2.2Thisannexprovidesadditionalproceduresandcautionsthatarenecessaryintheapplicationofexistingtestmethodsandpracticeswhenusedtodeterminetheuniformityoffreshlymixedconcrete.1.1Thisspecificationcoversconcretemadefrommaterialscontinuouslybatchedbyvolume,mixedinacontinuousmixer,anddeliveredtothepurchaserinafreshlymixedandunhardenedstateashereinafterspecified.Requirementsforqualityofconcreteshallbeeitherashereinafterspecifiedorasspecifiedbythepurchaser.Whentherequirementsofthepurchaserdifferfromthisspecification,thepurchaser''sspecificationshallgovern.Thisspecificationdoesnotcovertheplacement,consolidation,finishing,curing,orprotectionoftheconcreteafterdeliverytothepurchaser.Testsandcriteriaforbatchingaccuracyandmixingefficiencyarespecifiedherein.1.2ThevaluesstatedineitherSIunits,showninbrackets,orinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthisspecification.1.4Thisstandarddoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Warningx2014;Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongeduse.)A1.1.1ThisannexincludestestproceduresanduniformityrequirementsforuseintheevaluationofconcreteproducedinconformancewithSpecificationC685/C685Mbyanindividualbatching-mixingunit,loadedtoratedcapacity.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:9P.;A4
【正文语种】:


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【英文标准名称】:Erectionoflow-voltageinstallations-Part6-61:Verification-Initialverification(IEC60364-6-61:1986+A1:1993+A2:1997,modified);GermanversionHD384.6.61S2:2003
【原文标准名称】:低压装置的安装.第6-61部分:检验.初始检验
【标准号】:DINVDE0100-610-2004
【标准状态】:作废
【国别】:德国
【发布日期】:2004-04
【实施或试行日期】:2004-04-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:低电压;验证;试验;安全工程;检验;检验;建筑物;定义;接地导线;电力设备;绝缘;低压电器;电气设备;证明;电力装置;测量;安全措施;超低电压;电气工程;初始验证;公用事业设备;电位均衡;安装;装配;防电击;熔断;检查;试验(质量保证)
【英文主题词】:Buildings;Checks;Definition;Definitions;Earthconductors;Electricalengineering;Electricalequipment;Electricalinstallations;Erection;Examination(qualityassurance);Examinations;Extra-lowvoltage;Fusedisconnection;Initialverification;Inspection;Installation;Insulations;Lowvoltage;Low-voltageequipment;Measurement;Potentialequalization;Powerinstallations;Protectionagainstelectricshocks;Proving;Safetyengineering;Safetymeasures;Testing;Utilityequipment;Verification
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:91_140_50
【页数】:38P.;A4
【正文语种】:德语