ASTM D7113-2009 用电磁表面接触法现场测定沥青铺面混合物密度的标准试验方法

作者:标准资料网 时间:2024-05-22 05:46:57  浏览:9058   来源:标准资料网

【英文标准名称】:StandardTestMethodforDensityofBituminousPavingMixturesinPlacebytheElectromagneticSurfaceContactMethods
【原文标准名称】:用电磁表面接触法现场测定沥青铺面混合物密度的标准试验方法
【标准号】:ASTMD7113-2009
【标准状态】:现行
【国别】:美国
【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】:D04.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:bituminous-concretedensity;density;in-placedensity;non-nucleartestmethod,electronicdensitydevice;Bituminouspavingmixtures;Surfacecontact(electromagnetic)
【摘要】:Thetestmethoddescribedisusefulasarapid,nondestructivetechniquefordeterminingthein-placedensityorrelativecompactionofcompactedbituminousmixtures.Thetestmethodcanbeusedtoestablishtheproperrollingeffortandpatterntoachievetherequireddensity.Thenon-destructivenatureofthetestallowsrepetitivemeasurementstobemadeatasingletestlocationbetweenrollerpassesoratmultiplelocationsacrossthemattomonitorchangesindensity.Thedensityresultsobtainedbythistestmethodarerelative.Devicecalibration(correlationwithothertestmethods)isrequiredtoconverttheresultsobtainedusingthismethodtoactualdensity.Section6ofthistestmethoddescribesamethodthathasproventobeacceptableforcorrelation.Note18212;ThepersonnelandequipmentusedinperformingthistestcanbeevaluatedinaccordancewithSpecificationD3666.Note28212;Researchandevaluationofdevicesusedinthistestmethodhasbeenconducted.Referenceismadetox201C;EvaluationofNon-NuclearGaugestoMeasureDensityofHot-MixedAsphaltPavements,x201D;apooledfundstudy,PedroRomero,Ph.D.,P.E.,July2002.1.1Thistestmethodcoverstheproceduresfordeterminingthein-placedensityandrelativecompactionofbituminousconcretepavementpavingmixturesbyanelectromagneticsurfacecontactdevicebymeasuringchangesintheelectromagneticfieldresultingfromthecompactionprocess.1.2Theequipmentreferencedinthismethodisasurfacecontactdevice,whichmustaccommodatesurfacemoistureandtemperaturevariationintherangetypicallyencounteredinpavingapplications.Thiscanbeaccomplishedbydesignparametersthatreducethedevicex2019;ssensitivitytosurfacemoistureandtemperaturevariationorbymeasurementsandalgorithmstoaccountforsurfacemoistureandtemperaturevarianceintherollingpattern.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticespriortouse.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.
【中国标准分类号】:Q17
【国际标准分类号】:93_080_20
【页数】:3P.;A4
【正文语种】:英语