ASTM D7175-2008 用动态剪切流变仪测定沥青粘结剂流变特性的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingtheRheologicalPropertiesofAsphaltBinderUsingaDynamicShearRheometer
【原文标准名称】:用动态剪切流变仪测定沥青粘结剂流变特性的标准试验方法
【标准号】:ASTMD7175-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D04.44
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:asphaltbinder;complexmodulus;DSR;dynamicshearrheometer;Asphaltbinder;Rheology/rheologicalproperties;Rheometers
【摘要】:Thetesttemperatureforthistestisrelatedtothetemperatureexperiencedbythepavementinthegeographicalareaforwhichtheasphaltbinderisintendedtobeused.Thecomplexshearmodulusisanindicatorofthestiffnessorresistanceofasphaltbindertodeformationunderload.Thecomplexshearmodulusandthephaseangledefinetheresistancetosheardeformationoftheasphaltbinderinthelinearviscoelasticregion.Thecomplexmodulusandthephaseangleareusedtocalculateperformance-relatedcriteriainaccordancewithSpecificationD6373orAASHTOStandardM320.1.1Thistestmethodcoversthedeterminationofthedynamicshearmodulusandphaseangleofasphaltbinderswhentestedindynamic(oscillatory)shearusingparallelplategeometry.Itisapplicabletoasphaltbindershavingdynamicshearmodulusvaluesintherangefrom100Pato10MPa.Thisrangeinmodulusistypicallyobtainedbetween4and88x00B0;Cat10rad/s.Thistestmethodisintendedfordeterminingthelinearviscoelasticpropertiesofasphaltbindersasrequiredforspecificationtestingandisnotintendedasacomprehensiveprocedureforthefullcharacterizationoftheviscoelasticpropertiesofasphaltbinders.1.2Thisstandardisappropriateforunagedmaterials,materialagedinaccordancewithTestMethodD2872,materialagedinaccordancewithPracticeD6521,ormaterialagedinaccordancewithbothTestMethodD2872andPracticeD6521.Thisprocedureislimitedtoasphaltbindersthatcontainparticleswithlargestdimensionlessthan250x03BC;m.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:93_080_20
【页数】:16P.;A4
【正文语种】:英语