ASTM D7229-2006 制备和利用旋转夯实机测定密实型冷拌沥青(CMA)样品松比重的标准试验方法
时间:2024-05-11 03:56:27 来源: 标准资料网 作者：标准资料网 阅读：8939
【英文标准名称】:StandardTestMethodforPreparationandDeterminationoftheBulkSpecificGravityofDense-GradedColdMixAsphalt(CMA)SpecimensbyMeansoftheSuperpaveGyratoryCompactor
【原文标准名称】:制备和利用旋转夯实机测定密实型冷拌沥青(CMA)样品松比重的标准试验方法
【标准号】:ASTMD7229-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D04.27
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:地沥青;冷的;压实工具;密度;测定;等级;重力;旋转;准备;样品;试验
【英文主题词】:aggregates;coldmixasphalt;compaction;emulsifiedasphalt;emulsions;gyratory;medium-settingemulsions;slow-settingemulsions
【摘要】:Thistestmethodisusedtopreparespecimensfordeterminationofthebulkspecificgravityofacuredcompactedspecimen.ItcoversmodificationstoTestMethodD6925forpreparationofCMAbymeansoftheSGC.Thistestmethodisusefulformonitoringthedensityofthespecimenduringthecompactionprocess.ItissuitableforlaboratorydesignandfieldcontrolofCMA.Localend-usespecificationsshouldbedevelopedtoestablishconformancetothejobanduserrequirements.1.1Thistestmethodconcernsthepreparationandcompactionofcylindricalspecimensofdense-gradedcoldmixasphalt(CMA)usingtheSuperpavegyratorycompactor(SGC).1.2Thistestmethodisapplicableforroadmixesorplantmixespreparedatambienttemperatures.1.3ThistestmethodalsoreferstothedeterminationofthebulkspecificgravityofthecompactedCMA.1.4ThevaluesgiveninSIunitsaretobeconsideredthestandard.1.5Aprecisionandbiasstatementforthistestmethodhasnotbeendevelopedatthistime.Therefore,thistestmethodshouldnotbeusedforacceptanceorrejectionofamaterialforpurchasingpurposes.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q20
【国际标准分类号】:93_080_20
【页数】:3P.;A4
【正文语种】:
MIL-STD-469B, DEPARTMENT OF DEFENSE INTERFACE STANDARD: RADAR ENGINEERING INTERFACE REQUIREMENTS, ELECTROMAGNETIC COMPATIBILITY (24 JUN 1996) [SEE NOTICE 1, DATED 09 MAY 2007 FOR SUPERSEDING DOCUMENT]., This standard establishes the engineering interface requirements to control th eelectromagnetic emission and susceptibility characteristics of all new military radar equipment and systemsoperating between 100 megahertz (MHz) and 100 gigahertz (GHz), to ensure EMC in all intendedoperational environments, and to conserve the frequency spectrum available to military radar systems.【英文标准名称】:StandardTestMethodforOpen-HoleCompressiveStrengthofPolymerMatrixCompositeLaminates
【原文标准名称】:聚合物基质复合层压制品的空心抗压强度的标准试验方法
【标准号】:ASTMD6484/D6484M-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】:D30.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;compressiontesting;open-holecompressivestrength;Compressivemodulusofelasticity;Continuousfiber-reinforcedcomposites;Discontinuousfiber-reinforcedcomposites;Highmodulusfibrouscomposites;Laminates;Modulusofelastici
【摘要】:Thistestmethodisdesignedtoproducenotchedcompressivestrengthdataforstructuraldesignallowables,materialspecifications,researchanddevelopment,andqualityassurance.Factorsthatinfluencethenotchedcompressivestrengthandshallthereforebereportedincludethefollowing:material,methodsofmaterialfabrication,accuracyoflay-up,laminatestackingsequenceandoverallthickness,specimengeometry,(includingholediameter,diameter-to-thicknessratio,andwidth-to-diameterratio),specimenpreparation(especiallyofthehole),specimenconditioning,environmentoftesting,specimenalignmentandgripping,loadingprocedure,speedoftesting,timeattemperature,voidcontent,andvolumepercentreinforcement.Propertiesthatmaybederivedfromthistestmethodincludeopen-hole(notched)compressivestrength(OHC).1.1Thistestmethoddeterminestheopen-holecompressivestrengthofmultidirectionalpolymermatrixcompositelaminatesreinforcedbyhigh-modulusfibers.Thecompositematerialformsarelimitedtocontinuous-fiberordiscontinuous-fiber(tapeorfabric,orboth)reinforcedcompositesinwhichthelaminateisbalancedandsymmetricwithrespecttothetestdirection.Therangeofacceptabletestlaminatesandthicknessesaredescribedin8.2.1.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G32
【国际标准分类号】:83_120
【页数】:16P.;A4
【正文语种】:英语