ASTM D5971-2007 新拌受控低强度材料抽样用标准实施规程

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【英文标准名称】:StandardPracticeforSamplingFreshlyMixedControlledLow-StrengthMaterial
【原文标准名称】:新拌受控低强度材料抽样用标准实施规程
【标准号】:ASTMD5971-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D18.15
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:施工材料;取样;测试
【英文主题词】:aircontent;CLSM;compositesample;density;flowconsistency;qualitycontrol;sampling;unitweight
【摘要】:1.1Thispracticeexplainstheprocedureforobtainingarepresentativesampleoffreshlymixedcontrolledlow-strengthmaterial(CLSM)asdeliveredtotheprojectsiteonwhichtestsaretobeperformedtodeterminecompliancewithqualityrequirementsofthespecificationsunderwhichtheCLSMisfurnished(Note1).Thispracticeincludessamplingfromrevolving-drumtruckmixersandfromagitatingequipmentusedtotransportcentral-mixedCLSM.ThisPracticeisbasedonPracticeC172forconcrete.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundequivalentsareshownforinformationonly.Compositesamplesarerequiredbythispracticeunlessspecificallyexceptedbyproceduresgoverningtheteststobeperformed,suchasteststodetermineuniformityofconsistencyandmixerefficiency.Proceduresusedtoselectthespecifictestbatchesarenotdescribedinthispractice.Itisrecommendedthatrandomsamplingbeusedtodetermineoverallspecificationcompliance.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Warning:Freshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.)1.3Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgement.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaprojectsmanyuniqueaspects.Theword"standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:Q04
【国际标准分类号】:19_020
【页数】:3P.;A4
【正文语种】: