【英文标准名称】:StandardTestMethodforEffectofHeatandAironAsphalticMaterials(Thin-FilmOvenTest)
【原文标准名称】:热量和空气对沥青材料(薄膜蒸发器烘箱试验)影响效果的标准试验方法
【标准号】:ASTMD1754/D1754M-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:D04.46
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:老化;沥青混凝土;薄膜蒸发器烘箱试验(TFOT);沥青铺面混合剂;膜;热量和空气影响的分析;烘炉;TFOT;薄片材料样品/混凝土应用
【英文主题词】:aging;asphaltcement;Thin-FilmOvenTest(TFOT);Asphaltpavingmixtures;Film;Heatandaireffectsanalysis;Ovens;Thinfilmoventest(TFOT);Thinmaterialspecimens/applications--concrete
【摘要】:Thismethodindicatesapproximatechangeinpropertiesofasphaltduringconventionalhot-mixingatabout150x00B0;C[302x00B0;F]asindicatedbyviscosity,penetration,orductilitymeasurements.Ityieldsaresiduewhichapproximatestheasphaltconditionasincorporatedinthepavement.Ifthemixingtemperaturediffersappreciablyfromthe150x00B0;C[302x00B0;F]level,moreorlesseffectonpropertieswilloccur.Note18212;Thequalityoftheresultsproducedbythisstandardaredependentonthecompetenceofthepersonnelperformingtheprocedureandthecapability,calibration,andmaintenanceoftheequipmentused.AgenciesthatmeetthecriteriaofSpecificationD3666aregenerallyconsideredcapableofcompetentandobjectivetestingandsampling.1.1Thistestmethodcoversthedeterminationoftheeffectsofheatandaironafilmofsemisolidasphalticmaterials.Theeffectsofthistreatmentaredeterminedfrommeasurementsofselectedasphaltpropertiesbeforeandafterthetest.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Warningx2014;MercuryhasbeendesignatedbytheUnitedStatesEnvironmentalProtectionAgencyandmanystateagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidneyandliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercurycontainingproducts.SeetheapplicableMaterialSafetyDataSheet(MSDS)fordetailsandEPAx2019;swebsitex2014;http://www.epa.gov/mercury/index.htmx2014;foradditionalinformation.Usersshouldbeawarethatsellingmercuryand/ormercurycontainingproductsintoyourstatemaybeprohibitedbystatelaw.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:91_100_50;93_080_20
【页数】:6P.;A4
【正文语种】: