ASTM D2172/D2172M-2011 沥青铺砌混合物中沥青的定量抽取用标准试验方法

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【英文标准名称】:StandardTestMethodsforQuantitativeExtractionofBitumenFromBituminousPavingMixtures
【原文标准名称】:沥青铺砌混合物中沥青的定量抽取用标准试验方法
【标准号】:ASTMD2172/D2172M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:D04.25
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:沥青含油率;沥青筑路混合物;路面
【英文主题词】:Bitumencontent;Bituminouspavingmixtures;Pavementsurfaces
【摘要】:Allofthesetestmethodscanbeusedforquantitativedeterminationsofbitumeninhot-mixedpavingmixturesandpavementsamplesforspecificationacceptance,serviceevaluation,control,andresearch.Eachmethodprescribesthesolventorsolventsandanyotherreagentsthatcanbeusedinthetestmethod.TestMethodD1856requiresthatMethodAbeusedwhenasphaltisrecoveredfromsolution.Note28212;Thequalityoftheresultsproducedbythisstandardaredependentonthecompetenceofthepersonnelperformingtheprocedureandthecapability,calibration,andmaintenanceoftheequipmentused.AgenciesthatmeetthecriteriaofStandardPracticearegenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticealonedoesnotcompletelyassurereliableresults.Reliableresultsdependonmanyfactors;followingthesuggestionsofPracticeorsomesimilaracceptableguidelineprovidesameansofevaluatingandcontrollingsomeofthosefactors.1.1Thesetestmethodscoverthequantitativedeterminationofbitumeninhot-mixedpavingmixturesandpavementsamples.AggregateextractedfromapavingmixturemaybeusedforsieveanalysisusingTestMethodD5444.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.2.1MeasurementsofvolumeandmassareonlygiveninSIunitsbecausetheyaretheonlyunitstypicallyusedinpracticewhenperformingthistestmethod.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsaregiveninSection7.Note18212;Theresultsobtainedbythesetestmethodsmaybeaffectedbytheageofthematerialtested,witholdersamplestendingtoyieldslightlylowerbitumencontent.Bestquantitativeresultsareobtainedwhenthetestismadeonmixturesandpavementsshortlyaftertheirpreparation.Itisdifficulttoremovealltheasphaltwhensomeaggregatesareusedandsomechloridesmayremainwithinthemineralmatteraffectingthemeasuredasphaltcontent.
【中国标准分类号】:
【国际标准分类号】:91_100_50;93_080_20
【页数】:13P.;A4
【正文语种】: