ASTM D7405-2010a 使用动态剪切流变仪测定沥青粘合剂的多应力重复蠕变和恢复(MSCR)的标准试验方法

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【英文标准名称】:StandardTestMethodforMultipleStressCreepandRecovery(MSCR)ofAsphaltBinderUsingaDynamicShearRheometer
【原文标准名称】:使用动态剪切流变仪测定沥青粘合剂的多应力重复蠕变和恢复(MSCR)的标准试验方法
【标准号】:ASTMD7405-2010a
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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;creepandrecovery;DSR;dynamicshearrheometer;elasticrecovery;MSCR;non-recoverablecreepcompliance;polymermodifiedasphalt;Asphaltbinder;MSCR(multiplestresscreepandrecovery);Multiplestresscreepandrecovery(MSCR);Rh
【摘要】:Thistestmethodisusedtoidentifythepresenceofelasticresponseinabinderandthechangeinelasticresponseattwodifferentstresslevels.Non-recoverablecreepcompliancehasbeenshowntobeanindicatoroftheresistanceofanasphaltbindertopermanentdeformationunderrepeatedload.ThistestmethodisalsousefulasasurrogateforothertestmethodsusedtomeasureelasticityinasphaltbinderssuchasTestMethodD5801(ToughnessandTenacity),TestMethodD6084(ElasticRecovery),andTestMethodD7175(DSRphaseangle).1.1Thistestmethodcoversthedeterminationofpercentrecoveryandnon-recoverablecreepcomplianceofasphaltbindersbymeansofMultipleStressCreepandRecovery(MSCR)testing.TheMSCRtestisconductedusingtheDynamicShearRheometer(DSR)ataspecifiedtemperature.1.2Thisstandardisappropriateforunagedmaterial,materialagedinaccordancewithTestMethodD2872(RTFO),materialagedinaccordancewithPracticeD6521(PAV),andmaterialagedinaccordancewithbothTestMethodD2872andPracticeD6521.Note18212;ThemajorityofdevelopmentworkonthistestmethodwasperformedonmaterialagedinaccordancewithTestMethodD2872(RTFO).1.3Thepercentrecoveryisintendedtoprovideameanstodeterminethepresenceofelasticresponseandstressdependenceofpolymermodifiedandunmodifiedasphaltbinders.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:91_100_50
【页数】:4P.;A4
【正文语种】:英语