1、BRITISH STANDARD BS EN 12697-9:2002 Bituminous mixtures Test methods for hot mix asphalt Part 9: Determination of the reference density The European Standard EN 12697-9:2002 has the status of a British Standard ICS 93.080.20 BS EN 12697-9:2002 This British Standard, having been prepared under the di
2、rection of the Building and Civil Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 29 November 2002 BSI 29 November 2002 ISBN 0 580 40871 X National foreword This British Standard is the official English language ve
3、rsion of EN 12697-9:2002. The UK participation in its preparation was entrusted by Technical Committee B/510, Road materials, to Subcommittee B/510/1, Coated macadam and hot asphalt, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request
4、to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Elect
5、ronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to u
6、nderstand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comp
7、rises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN126
8、979 November2002 ICS93.080.20 Englishversion BituminousmixturesTestmethodsforhotmixasphaltPart9: Determinationofthereferencedensity MlangesbitumineuxMthodesdessaipourmlange hydrocarbonchaudPartie9:Dterminationdela massevolumiquederfrence AsphaltPrfverfahrenfrHeiasphaltTeil9: BestimmungderBezugsraumd
9、ichte,GyratorVerdichter ThisEuropeanStandardwasapprovedbyCENon8September2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings
10、 uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesames
11、tatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDEN
12、ORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN126979:2002EEN126979:2002(E) 2 Contents page Foreword3 1 Scope 6 2 Normativereferences 6 3 Termsanddefinition
13、s. .6 4 Principle7 5 MaterialsandApparatus . 8 6 Procedure .8 6.1 General8 6.2 Determinationofdensityofspecimens. 8 7 Calculationandexpressionofresults. 8 8 Testreport . .9 9 Precision.10 9.1 Impactcompaction . .10 9.2 Compactiondegree . 10 9.3 Gyratorycompaction. 10 9.4 Vibratorycompaction 11EN1269
14、79:2002(E) 3 Foreword Thisdocument(EN12697:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC227“Roadmaterials“,the secretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2003,andconflictingnational
15、standardsshallbewithdrawnatthelatestby April2005. ThisEuropeanStandardisoneofaseriesofstandardsasfollows: EN126971, BituminousmixturesTestmethodsforhotmixasphaltPart1:Solublebindercontent EN126972,BituminousmixturesTestmethodsforhotmixasphaltPart2:Determinationofparticlesize distribution EN126973,Bi
16、tuminousmixtures Testmethodsforhotmixasphalt Part 3:Binderrecovery:Rotary evaporator EN126974, BituminousmixturesTestmethodsforhotmixasphaltPart4:Binderrecovery:Fractionating column EN126975, BituminousmixturesTestmethodsforhotmixasphaltPart5:Determinationofthemaximum density prEN126976, Bituminousm
17、ixturesTestmethodsforhotmixasphaltPart6:Determinationofbulkdensityof bituminousspecimenbyhydrostaticmethod EN126977, BituminousmixturesTestmethodsforhotmixasphaltPart7:Determinationofbulkdensityof bituminousspecimensbygammarays prEN126978,Bituminousmixtures Testmethodsforhotmixasphalt Part 8:Determi
18、nationofvoid characteristicsofbituminousspecimens EN126979, BituminousmixturesTestmethodsforhotmixasphaltPart9:Determinationofthereference density EN1269710, BituminousmixturesTestmethodsforhotmixasphaltPart10:Compactibility prEN1269711,Bituminousmixtures Testmethodsforhotmixasphalt Part 11:Determin
19、ationofthe compatibilitybetweenaggregateandbitumen prEN1269712, BituminousmixturesTestmethodsforhotmixasphaltPart12:Determinationofthewater sensitivityofbituminousspecimens EN1269713, BituminousmixturesTestmethodsforhotmixasphaltPart13:Temperaturemeasurement EN1269714, BituminousmixturesTestmethodsf
20、orhotmixasphaltPart14:Watercontent prEN1269715,Bituminousmixtures Testmethodsforhotmixasphalt Part 15:Determinationofthe segregationsensitivity prEN1269716, BituminousmixturesTestmethodsforhotmixasphaltPart16:Abrasionbystuddedtyres prEN1269717, BituminousmixturesTestmethodsforhotmixasphaltPart17:Par
21、tiallossofporousasphalt specimenEN126979:2002(E) 4 prEN1269718, BituminousmixturesTestmethodsforhotmixasphaltPart18:Binderdrainagefromporous asphalt prEN1269719, BituminousmixturesTestmethodsforhotmixasphaltPart19:Permeabilityofspecimen prEN1269720, BituminousmixturesTestmethodsforhotmixasphaltPart2
22、0:Indentationusingcubeor marshallspecimen prEN1269721,Bituminousmixtures Testmethodsforhotmixasphalt Part 21:Indentationusingplate specimens prEN1269722, BituminousmixturesTestmethodsforhotmixasphaltPart22:Wheeltracking prEN1269723, BituminousmixturesTestmethodsforhotmixasphaltPart23:Determinationof
23、theindirect tensilestrengthofbituminousspecimens prEN1269724, BituminousmixturesTestmethodsforhotmixasphaltPart24:Resistancetofatigue prEN1269725, BituminousmixturesTestmethodsforhotmixasphaltPart25:Cycliccompressiontest prEN1269726, BituminousmixturesTestmethodsforhotmixasphaltPart26:Stiffness EN12
24、69727, BituminousmixturesTestmethodsforhotmixasphaltPart27:Sampling EN1269728,BituminousmixturesTestmethodsforhotmixasphaltPart28:Preparationofsamplesfor determiningbindercontent,watercontentandgrading EN1269729,Bituminousmixtures Testmethodsforhotmixasphalt Part 29:Determinationofthe dimensionsofbi
25、tuminousspecimen prEN1269730, BituminousmixturesTestmethodsforhotmixasphaltPart30:Specimenpreparation,impact compactor prEN1269731,Bituminousmixtures Testmethodsforhotmixasphalt Part 31:Specimenpreparation, gyratorycompactor prEN1269732, BituminousmixturesTestmethodsforhotmixasphaltPart32:Laboratory
26、compactionof bituminousmixturesbyavibratorycompactor prEN1269733, BituminousmixturesTestmethodsforhotmixasphaltPart33:Specimenpreparation,slab compactor prEN1269734, BituminousmixturesTestmethodsforhotmixasphaltPart34:Marshalltest prEN1269735, BituminousmixturesTestmethodsforhotmixasphaltPart35:Labo
27、ratorymixing prEN1269736,Bituminousmixtures Testmethodsforhotmixasphalt Part 36:Determinationofthe thicknessofabituminouspavement prEN1269737,Bituminousmixtures Testmethodsforhotmixasphalt Part 37:Hotsandtestforthe adhesivityofbinderonprecoatedchippingsforHRA prEN1269738,Bituminousmixtures Testmetho
28、dsforhotmixasphalt Part38:Testequipmentand calibration prEN1269739,Bituminousmixtures- Testmethodsforhotmixasphalt - Part39:Solublebindercontentof mixturesbyignitionmethod prEN1269740, Bituminousmixtures - Testmethodsforhotmixasphalt - Part40:Voidcontent,compactionand hydraulicconductivityofmaterial
29、inthelayerEN126979:2002(E) 5 prEN1269741, Bituminousmixtures - Testmethodsforhotmixasphalt - Part41:Resistancetodeicingfluid prEN1269742, Bituminousmixtures - Testmethodsforhotmixasphalt - Part42:Contentofforeignmattersin reclaimedasphalt prEN1269743, Bituminousmixtures - Testmethodsforhotmixasphalt
30、 - Part43:Resistancetofuel prEN1269744, Bituminousmixtures - Testmethodsforhotmixasphalt - Part44:Bindercontentofmixtureswith modifiedbinders prEN1269745,Bituminousmixtures Testmethodsforhotmixasphalt Part 45:Binderdrainage Schellenbergmethod TheapplicabilityofthisEuropeanStandardisdescribedinthepro
31、ductstandardsforbituminousmixtures. NoexistingEuropeanStandardissuperseded. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Irela
32、nd,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN126979:2002(E) 6 1Scope ThisEuropeanStandarddescribesatestmethodforthedeterminationofreferencedensitiesofbituminous mixtures.Thesedensitiesareobtainedonspecimenscompactedbythreealternativecompactorsa
33、tspecified compactionenergiesinaccordancewithprEN1269730,prEN 1269731andprEN 1269732fortheimpact, gyratoryandvibratorycompactorsrespectively. ThisEuropeanStandardisapplicabletobituminousmixturesmadeupinthelaboratoryandthoseresultingfrom worksiteoperations,with Ddependentuponthecompactionmethodandnot
34、 31,5mm. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublications
35、applytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). prEN126976, BituminousmixturesTestmethodsforhotmixasphaltPart6:Determinationofbulkdensityof bituminousspecimenbyhydrostaticmethod. pr
36、EN1269730, BituminousmixturesTestmethodsforhotmixasphaltPart30:Specimenpreparation,impact compactor. prEN1269731,Bituminousmixtures Testmethodsforhotmixasphalt Part 31:Specimenpreparation, gyratorycompactor. prEN1269732, BituminousmixturesTestmethodsforhotmixasphaltPart32:Laboratorycompactionof bitu
37、minousmixturesbyavibratorycompactor. prEN1269733, BituminousmixturesTestmethodsforhotmixasphaltPart33:Specimenpreparation,slab compactor. prEN1269735, BituminousmixturesTestmethodsforhotmixasphaltPart35:Laboratorymixing. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsand
38、definitionsapply. 3.1 conventionalreferencedensity valueexpressedasmassperunitvolumethatisusedasareferenceforthedensityofspecimensforthe determinationofcompactiondegree,resultsoftypetesting,etc. NOTE Foragivenbituminousmixture,theconventionalreferencedensitydeterminedbytheprocedureusingthegyratory c
39、ompactor,generallyvariesaccordingtothenominalthicknessofthelayerinwhichitisintendedtobeused. 3.2 conventionalrefusaldensity valueexpressedasmassperunitvolumeofthespecimencompactedtoaveryhighcompactionenergyorrefusal inaccordancewithprEN1269731andprEN1269732withthegyratoryandvibratorycompactorrespect
40、ivelyand determinedinaccordancewithprEN 126976 NOTE Theconventionalrefusaldensityisindependentofthethicknessofthelayer.EN126979:2002(E) 7 3.3 compactiondegree ratioofthebulkdensityofthespecimendeterminedinaccordancewithprEN1 26976(driedbulkdensityif applicabletoacore)totheconventionalreferencedensit
41、yforthecorrespondingthicknessoflayerexpressedasa percentage 3.4 percentagerefusaldensity(PRD) ratiooftheinitialdriedbulkdensityofthespecimendeterminedinaccordancewithprEN 126976tothe conventionalrefusaldensityexpressedasapercentage 4Principle 4.1The conventionalreferencedensity isdeterminedinoneofth
42、efollowingtwoways: a)bycompactingbyimpactcompactorspecimensobtainedfromlaboratoryorplantmixtureswitha predeterminednumberofhammerblowsoneachsideofthespecimens; NOTE1 Thenumberofblowsisdependentupontheproducttypeandtrafficcategory. b) bycompactingbygyratorycompactorspecimensobtainedfromlaboratoryorpl
43、antmixturesataprescribed numberofgyrationswhichvariesaccordingtothenominalthicknessofthelayerinwhichitwillbeused. NOTE2 Thenumberofgyrationsisstatedintheproductstandard. 4.2The conventionalrefusaldensity isdeterminedinoneofthefollowingtwoways: a) bycompactingbygyratorycompactorspecimensobtainedfromlaboratoryorplantmixturesfor200gyrations; b) bycompactingbyvibratorycompactoraheated
