ASTM D3744-2003 集料耐久性指数的标准测试方法
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【英文标准名称】:StandardTestMethodforAggregateDurabilityIndex
【原文标准名称】:集料耐久性指数的标准测试方法
【标准号】:ASTMD3744-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D04.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:耐用试验;路面(道路);材料;路面;耐久性;公路建设;索引;建筑;精整;承重面的表面修饰;额定值;集料;表面;施工材料
【英文主题词】:aggregatedegradation;aggregatedurability
【摘要】:Thistestmethodassignsanempiricalvaluetotherelativeamount,fineness,andcharacterofclay-likematerialthatmaybegeneratedinanaggregatewhensubjectedtomechanicaldegradation.TheprocedurehasbeenusedinlimitedgeographicalareasoftheUnitedStatesandtheresultshavebeencorrelatedwithaggregateperformanceinvariousconstructionapplications,including:aggregatebase,permeablematerialforbackfill,fineconcreteaggregate,andriprapforrockslopeprotection.6,7Aminimumdurabilityindexispermittedtobespecifiedtoprohibittheuseofanaggregateinvariousconstructionapplicationsthatispronetodegradation,resultingingenerationofclay-likefines.Thistestmethodprovidesarapidtestforevaluationofthequalityofanewaggregatesource.Researchhasindicateditmayalsobesuitableforuseinsteadofthesodiumsulfatesoundnesstestforevaluatingthedurabilitycharacteristicsoffineaggregateforuseinportland-cementconcrete,therebyreducingtheneedfortime-consumingandexpensivesoundnesstests.6Althoughtheapplicationofthismethodhasbeenlimitedtoaggregatesforspecificconstructionuses,thepossibilityexistsforexpandingtheapplicationofthismethodtocontrolthequalityofaggregatesusedinotherareasofconstruction,suchasaggregatesforuseinbituminouspavingmixtures,coarseaggregateforuseinportland-cementconcrete,andaggregateforuseasrailroadballast.1.1Thistestmethodcoversthedeterminationofadurabilityindexofanaggregate.Thecalculateddurabilityindexisavalueindicatingtherelativeresistanceofanaggregatetoproductionofdetrimentalclay-likefineswhensubjectedtotheprescribedmechanicalmethodsofdegradation.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:93_080_10
【页数】:8P.;A4
【正文语种】:
【原文标准名称】:集料耐久性指数的标准测试方法
【标准号】:ASTMD3744-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D04.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:耐用试验;路面(道路);材料;路面;耐久性;公路建设;索引;建筑;精整;承重面的表面修饰;额定值;集料;表面;施工材料
【英文主题词】:aggregatedegradation;aggregatedurability
【摘要】:Thistestmethodassignsanempiricalvaluetotherelativeamount,fineness,andcharacterofclay-likematerialthatmaybegeneratedinanaggregatewhensubjectedtomechanicaldegradation.TheprocedurehasbeenusedinlimitedgeographicalareasoftheUnitedStatesandtheresultshavebeencorrelatedwithaggregateperformanceinvariousconstructionapplications,including:aggregatebase,permeablematerialforbackfill,fineconcreteaggregate,andriprapforrockslopeprotection.6,7Aminimumdurabilityindexispermittedtobespecifiedtoprohibittheuseofanaggregateinvariousconstructionapplicationsthatispronetodegradation,resultingingenerationofclay-likefines.Thistestmethodprovidesarapidtestforevaluationofthequalityofanewaggregatesource.Researchhasindicateditmayalsobesuitableforuseinsteadofthesodiumsulfatesoundnesstestforevaluatingthedurabilitycharacteristicsoffineaggregateforuseinportland-cementconcrete,therebyreducingtheneedfortime-consumingandexpensivesoundnesstests.6Althoughtheapplicationofthismethodhasbeenlimitedtoaggregatesforspecificconstructionuses,thepossibilityexistsforexpandingtheapplicationofthismethodtocontrolthequalityofaggregatesusedinotherareasofconstruction,suchasaggregatesforuseinbituminouspavingmixtures,coarseaggregateforuseinportland-cementconcrete,andaggregateforuseasrailroadballast.1.1Thistestmethodcoversthedeterminationofadurabilityindexofanaggregate.Thecalculateddurabilityindexisavalueindicatingtherelativeresistanceofanaggregatetoproductionofdetrimentalclay-likefineswhensubjectedtotheprescribedmechanicalmethodsofdegradation.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:93_080_10
【页数】:8P.;A4
【正文语种】:
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