ASTM D4296-1983(2009) 沥青采样的标准规范
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【英文标准名称】:StandardPracticeforSamplingPitch
【原文标准名称】:沥青采样的标准规范
【标准号】:ASTMD4296-1983(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1983
【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】:D02.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:pitch;sample;Pitch;Samplingroofing/waterproofingmaterials
【摘要】:Samplingisasimportantastesting.Ifthesamplingisimproperlydone,thesampleofthematerialwillbeinerror,andtheanalysiswillnotrepresentthetruepropertiesofthematerial,anditmaybeimpossibleorimpracticabletotakeanothersample;whereas,ifthesampleisproperlytakenandtheanalysisisinerror,anotheranalysiscanreadilybemadeoftheoriginalsample.Samplesmaybetakenforeitherofthefollowingtwopurposes:Torepresentasnearlyaspossibleanaverageofthebulkofthematerialssampled,orToascertainthemaximumvariationincharacteristicswhichthematerialpossesses.Agoodsamplingplanhasthefollowingcharacteristics:Itprotectstheconsumeragainsttheacceptanceofabadbatchofmaterial.Itprotectstheproduceragainsttherejectionofagoodbatchofmaterial.Itgiveslong-rangeprotectiontotheconsumer.Itencouragestheproducertokeephisprocessincontrol.Itminimizesthecostofsampling,inspectionoftesting,andadministration.Itprovidesinformationconcerningthequalityoftheproduct.SamplingIntegrity8212;Whenonetakesasample,oneisattemptingtorepresentabatchorlotofmaterialwiththatsample.Differentformsofpitch,andpitchindifferenttypesofcontainers,needtohavedifferentsamplingplansandappropriatesamplingequipment.Eachsamplingplanshouldbedesignedsothatitaccomplishesitsobjective,whichistoascertainthecharacteristicsorqualityofabatchorlotofmaterial.1.1Thispracticecoversproceduresforsamplingpitchatpointsofmanufacture,storage,anddelivery.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificwarningstatementsaregiveninSection11.
【中国标准分类号】:E43
【国际标准分类号】:91_100_50
【页数】:10P.;A4
【正文语种】:英语
【原文标准名称】:沥青采样的标准规范
【标准号】:ASTMD4296-1983(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1983
【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】:D02.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:pitch;sample;Pitch;Samplingroofing/waterproofingmaterials
【摘要】:Samplingisasimportantastesting.Ifthesamplingisimproperlydone,thesampleofthematerialwillbeinerror,andtheanalysiswillnotrepresentthetruepropertiesofthematerial,anditmaybeimpossibleorimpracticabletotakeanothersample;whereas,ifthesampleisproperlytakenandtheanalysisisinerror,anotheranalysiscanreadilybemadeoftheoriginalsample.Samplesmaybetakenforeitherofthefollowingtwopurposes:Torepresentasnearlyaspossibleanaverageofthebulkofthematerialssampled,orToascertainthemaximumvariationincharacteristicswhichthematerialpossesses.Agoodsamplingplanhasthefollowingcharacteristics:Itprotectstheconsumeragainsttheacceptanceofabadbatchofmaterial.Itprotectstheproduceragainsttherejectionofagoodbatchofmaterial.Itgiveslong-rangeprotectiontotheconsumer.Itencouragestheproducertokeephisprocessincontrol.Itminimizesthecostofsampling,inspectionoftesting,andadministration.Itprovidesinformationconcerningthequalityoftheproduct.SamplingIntegrity8212;Whenonetakesasample,oneisattemptingtorepresentabatchorlotofmaterialwiththatsample.Differentformsofpitch,andpitchindifferenttypesofcontainers,needtohavedifferentsamplingplansandappropriatesamplingequipment.Eachsamplingplanshouldbedesignedsothatitaccomplishesitsobjective,whichistoascertainthecharacteristicsorqualityofabatchorlotofmaterial.1.1Thispracticecoversproceduresforsamplingpitchatpointsofmanufacture,storage,anddelivery.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificwarningstatementsaregiveninSection11.
【中国标准分类号】:E43
【国际标准分类号】:91_100_50
【页数】:10P.;A4
【正文语种】:英语
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