ASTM C204-2007 用空气渗透仪测定水硬水泥细度的标准试验方法

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【英文标准名称】:StandardTestMethodsforFinenessofHydraulicCementbyAir-PermeabilityApparatus
【原文标准名称】:用空气渗透仪测定水硬水泥细度的标准试验方法
【标准号】:ASTMC204-2007
【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】:C01.25
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:水泥;建筑;施工材料;细度;硅酸盐水泥;试验设备;测试
【英文主题词】:air-permeability;apparatus;fineness
【摘要】:1.1Thistestmethodcoversdeterminationofthefinenessofhydrauliccement,usingtheBlaineair-permeabilityapparatus,intermsofthespecificsurfaceexpressedastotalsurfaceareainsquarecentimetrespergram,orsquaremetresperkilogram,ofcement.Twotestmethodsaregiven:TestMethodAistheReferenceTestMethodusingthemanuallyoperatedstandardBlaineapparatus,whileTestMethodBpermitstheuseofautomatedapparatusthathasinaccordancewiththequalificationrequirementsofthistestmethoddemonstratedacceptableperformance.Althoughthetestmethodmaybe,andhasbeen,usedforthedeterminationofthemeasuresoffinenessofvariousothermaterials,itshouldbeunderstoodthat,ingeneral,relativeratherthanabsolutefinenessvaluesareobtained.1.1.1Thistestmethodisknowntoworkwellforportlandcements.However,theusershouldexercisejudgementindeterminingitssuitabilitywithregardtofinenessmeasurementsofcementswithdensities,orporositiesthatdifferfromthoseassignedtoStandardReferenceMaterialNo.114.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q11
【国际标准分类号】:91_100_10
【页数】:9P.;A4
【正文语种】: