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【英文标准名称】:StandardTestMethodforTheoreticalMaximumSpecificGravityandDensityofBituminousPavingMixtures
【原文标准名称】:沥青铺设配合料理论最大比重和密度标准试验方法
【标准号】:ASTMD2041/D2041M-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】:D04.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:密度;重力;重力和密度;沥青的
【英文主题词】:density;gravity;gravityanddensity;bituminous
【摘要】:Thetheoreticalmaximumspecificgravitiesanddensitiesofbituminouspavingmixturesarefundamentalpropertieswhosevaluesareinfluencedbythecompositionofthemixtureintermsoftypesandamountsofaggregatesandbituminousmaterials.Maximumspecificgravityisused(1)inthecalculationofairvoidsinthecompactedbituminouspavingmixture,(2)incalculatingtheamountofbitumenabsorbedbytheaggregate,and(3)toprovidetargetvaluesforthecompactionofpavingmixtures.Note18212;Thequalityoftheresultsproducedbythisstandardaredependentonthecompetenceofthepersonnelperformingtheprocedureandthecapability,calibration,andmaintenanceoftheequipmentused.AgenciesthatmeetthecriteriaofStandardPracticearegenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthisstandardarecautionedthatcompliancewithPracticealonedoesnotcompletelyassurereliableresults.Reliableresultsdependonmanyfactors;followingthesuggestionsofPracticeorsomesimilaracceptableguidelineprovidesameansofevaluatingandcontrollingsomeofthosefactors1.1Thistestmethodcoversthedeterminationofthetheoreticalmaximumspecificgravityanddensityofuncompactedbituminouspavingmixturesat25x00B0;C[77x00B0;F].1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.2.1ResidualpressuremeasurementsareshowninboththeSIunitofkPaandthecommonlyusednon-standardequivalentunitofx201C;mmofHgx201D;.1.2.2MeasurementsofvolumeandmassareonlygiveninSIunitsbecausetheyaretheonlyunitstypicallyusedinpracticewhenperformingthistestmethod.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q20
【国际标准分类号】:93_080_20
【页数】:4P.;A4
【正文语种】: