1、BRITISH STANDARD BS EN 12697-15:2003 Bituminous mixtures Test methods for hot mix asphalt Part 15: Determination of the segregation sensitivity The European Standard EN 12697-15:2003 has the status of a British Standard ICS 93.080.20 BS EN 12697-15:2003 This British Standard was published under the
2、authority of the Standards Policy and Strategy Committee on 28 March 2003 BSI 28 March 2003 ISBN 0 580 41483 3 National foreword This British Standard is the official English language version of EN 12697-15:2003. The UK participation in its preparation was entrusted by Technical Committee B/510, Roa
3、d 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 to its secretary. Cross-references The British Standards which implement international or European publications r
4、eferred 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 Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary pr
5、ovisions 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 understand the text; present to the responsible international/European committee any enquiries on the interpretati
6、on, 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 comprises a front cover, an inside front cover, the EN title page, pages 2 to 12, an inside back cover and a back cov
7、er. 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 EN1269715 March2003 ICS93.080.20 Englishversion BituminousmixturesTestmethodsforhotmixasphaltPar
8、t 15:Determinationofthesegregationsensitivity MlangesbitumineuxMthodedessaipourenrobs chaudPartie15:Dterminationdelasensibilitla sgrgation AsphaltPrfverfahrenfrHeiasphaltTeil15: BestimmungderEntmischungsneigung ThisEuropeanStandardwasapprovedbyCENon28November2002. CENmembersareboundtocomplywiththeCE
9、N/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexists
10、inthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finl
11、and,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CE
12、N Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1269715:2003EEN1269715:2003(E) 2 Contents page Foreword3 1 Scope 6 2 Normativereferences 6 3 Termsanddefinitions. .6 4 Significanceanduse .6 5 Principle7 6 Apparatus .7 7 Preparationoftestportion. .8 8 P
13、rocedure .9 9 Analysis 9 10 Calculation9 10.1 Thebindersegregationvalue. 9 10.2 Theaggregatesegregationvalue .10 10.3 Themixingqualityvalue . 10 11 Testreport 11 12 Precision.11 Bibliography 12EN1269715:2003(E) 3 Foreword Thisdocument(EN1269715:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC227“Roadm
14、aterials“, thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbySeptember2003,andconflictingnationalstandardsshallbewithdrawnatthe latestbyAugust2005. ThisEuropeanStandardisoneofaseriesofstand
15、ardsaslistedbelow. EN126971, BituminousmixturesTestmethodsforhotmixasphaltPart1:Solublebindercontent. EN126972, Bituminous mixtures Test methods for hot mix asphalt Part2: Determination of particle size distribution. EN126973, Bituminous mixtures Test methods for hot mix asphalt Part3: Bitumen recov
16、ery: Rotary evaporator. EN126974, BituminousmixturesTestmethodsforhotmixasphaltPart4:Bitumenrecovery:Fractionating column. EN126975, BituminousmixturesTestmethodsforhotmixasphaltPart5:Determinationofthemaximum density. EN126976, BituminousmixturesTestmethodsforhotmixasphaltPart6:Determinationofbulkd
17、ensityof bituminousspecimenbyhydrostaticmethod. EN126977, BituminousmixturesTestmethodsforhotmixasphaltPart7:Determinationofbulkdensityof bituminousspecimensbygammarays. EN126978,Bituminousmixtures Testmethodsforhotmixasphalt Part 8:Determinationofvoid characteristicsofbituminousspecimens. EN126979,
18、 BituminousmixturesTestmethodsforhotmixasphaltPart9:Determinationofthereference density. EN1269710, BituminousmixturesTestmethodsforhotmixasphaltPart10:Compactability. EN1269711,Bituminousmixtures Testmethodsforhotmixasphalt Part 11:Determinationofthe compatibilitybetweenaggregateandbitumen. prEN126
19、9712, BituminousmixturesTestmethodsforhotmixasphaltPart12:Determinationofthewater sensitivityofbituminousspecimens. EN1269713, BituminousmixturesTestmethodsforhotmixasphaltPart13:Temperaturemeasurement. EN1269714, BituminousmixturesTestmethodsforhotmixasphaltPart14:Watercontent. EN1269715,Bituminous
20、mixtures Testmethodsforhotmixasphalt Part 15:Determinationofthe segregationsensitivity. EN1269716, BituminousmixturesTestmethodsforhotmixasphaltPart16:Abrasionbystuddedtyres. EN1269717, BituminousmixturesTestmethodsforhotmixasphaltPart17:Particlelossofporousasphalt specimen.EN1269715:2003(E) 4 prEN1
21、269718, BituminousmixturesTestmethodsforhotmixasphaltPart18:Binderdrainagefromporous asphalt. prEN1269719, BituminousmixturesTestmethodsforhotmixasphaltPart19:Permeabilityofspecimen. prEN1269720, BituminousmixturesTestmethodsforhotmixasphaltPart20:Indentationusingcubeor marshallspecimens. prEN126972
22、1, Bituminousmixtures Testmethodsforhotmixasphalt Part 21:Indentationusingplate specimens. prEN1269722, BituminousmixturesTestmethodsforhotmixasphaltPart22:Wheeltracking. prEN1269723, BituminousmixturesTestmethodsforhotmixasphaltPart23:Determinationoftheindirect tensilestrengthofbituminousspecimens.
23、 prEN1269724, BituminousmixturesTestmethodsforhotmixasphaltPart24:Resistancetofatigue. prEN1269725, BituminousmixturesTestmethodsforhotmixasphaltPart25:Cycliccompressiontest. prEN1269726, BituminousmixturesTestmethodsforhotmixasphaltPart26:Stiffness. EN1269727, BituminousmixturesTestmethodsforhotmix
24、asphaltPart27:Sampling. EN1269728, BituminousmixturesTestmethodsforhotmixasphaltPart28:Preparationofsamplesfor determiningbindercontent,watercontentandgrading. EN1269729,Bituminousmixtures Testmethodsforhotmixasphalt Part 29:Determinationofthe dimensionsofabituminousspecimen. prEN1269730, Bituminous
25、mixturesTestmethodsforhotmixasphaltPart30:Specimenpreparation,impact compactor. prEN1269731, Bituminousmixtures Testmethodsforhotmixasphalt Part 31:Specimenpreparation, gyratorycompactor. EN1269732, BituminousmixturesTestmethodsforhotmixasphaltPart32:Laboratorycompactionof bituminousmixturesbyavibra
26、torycompactor. prEN1269733, BituminousmixturesTestmethodsforhotmixasphaltPart33:Specimenpreparation,slab compactor. prEN1269734, BituminousmixturesTestmethodsforhotmixasphaltPart34:Marshalltest. prEN1269735, BituminousmixturesTestmethodsforhotmixasphaltPart35:Laboratorymixing. EN1269736, Bituminousm
27、ixturesTestmethodsforhotmixasphaltPart36:Determinationofthethickness ofabituminouspavement. prEN1269737, Bituminousmixtures Testmethodsforhotmixasphalt Part 37:Hotsandtestforthe adhesivity. prEN1269738,Bituminousmixtures Testmethodsforhotmixasphalt Part 38:Testequipmentand calibration. prEN1269739,
28、BituminousmixturesTestmethodsforhotmixasphaltPart39:Bindcontentbyignition. prEN1269740, BituminousmixturesTestmethodsforhotmixasphaltPart40:Voidcontent,compactionand hydraulicconductivityofmaterialinthelayer. prEN1269741, BituminousmixturesTestmethodsforhotmixasphaltPart41:Resistancetodeicingfluid.E
29、N1269715:2003(E) 5 prEN1269742, BituminousmixturesTestmethodsforhotmixasphaltPart42:Contentofforeignmattersin reclaimedasphalt. prEN1269743, BituminousmixturesTestmethodsforhotmixasphaltPart43:Resistancetofuel. prEN1269744, BituminousmixturesTestmethodsforhotmixasphaltPart44:Bindercontentofmixtures
30、withmodifiedbinders. TheapplicabilityofthisEuropeanStandardisdescribedintheproductstandardsforbituminousmaterials. NoexistingEuropeanStandardissuperseded. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Aus
31、tria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1269715:2003(E) 6 1Scope ThisEuropeanStandardspecifiesatestmethodforthedeterminationofthemixingqualitya
32、ndthetendencyof segregationincompositionofhotbituminousmixtures.Thistestmethodis consideredsuitablefordesignpurposes andforclientinformation. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropri
33、ateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). E
34、N9331, TestforgeometricalpropertiesofaggregatesPart1:Determinationofparticlesizedistribution Sievingmethod. EN126971, BituminousmixturesTestmethodsforhotmixasphaltPart1:Solublebindercontent. EN126972, Bituminous mixtures Test methods for hot mix asphalt Part2: Determination of particle size distribu
35、tion. EN1269727, BituminousmixturesTestmethodsforhotmixasphaltPart27:Sampling. prEN1269735, BituminousmixturesTestmethodsforhotmixasphaltPart35:Laboratorymixing. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 mixingquality homogeneityofthecomposi
36、tionofabituminousmixtureimmediatelyaftermixing 3.2 segregation variabilityoftheaggregategradingandthecorrelatedbindercontentvariabilityinawellmixedbituminousmixture, duetodifferentialmovementsofcoarseandfineaggregateparticleswhenhandlingthemixture 3.3 segregationvalue differenceinbitumencontentorsie
37、vingresultbetweenthefineandthecoarsepartsofasegregatedmixture 4 Significanceanduse Thehomogeneityofthequalitylevelofabituminouspavementisamongothersdeterminedbythehomogeneityof thecompositionofthebituminousmixturesapplied.Thehomogeneityofabituminousmixtureinthepavementis influencedbythemixingquality
38、duringproductionandbyitssegregationsensitivityduringhandling.Thelatteris influencedbythemixturecompositionintermsoftypeandamountofaggregateandbinder.Somesegregationis inherenttothenatureofbituminousmaterials.Unduesegregationiscausedbye.g.notappropriatemixing, improperloadingofthehopper,lorryorfinish
39、er. Thistestmethodprovidesusefulinformationonthehomogeneityqualityofabituminousmixture.Thetestdata provideinformationontheefficacyofthemixingprocedureandonthesensitivityofthemixtureforsegregationin itscompositionduringthehandlingsothatappropriatemeasuresmaybetakentominimisesuchsegregation whereconsi
40、derednecessary.EN1269715:2003(E) 7 Thetestisusefulformixturesthattendtosegregate.Ingeneralthisarethemixtureswith D 16mmhavingaflow timefromtheconicalbinoflessthan15s. NOTE Thistestmaynotbesignificantforgummymixturescontainingadditiveslikepolymers,fibresetc. 5Principle Ahotsampleofthebituminousmixtur
41、eisplacedinaheatedconicalhopper.Thebottomslideboardofthehopper isopenedandthemixturefallsdownontoaplatform.Aconicalstockpileisformed.Adeadfallintheplatformunder thecentreofthestockpileisopened.Theinteriorfinerpartofthestockpileflowsthroughtheopening.Theopening isthenexpandedfurtherandanintermediatep
42、artflowsthroughtheexpandedopening.Thebitumencontentand thegradingofthefinerinteriorpartandtheremainingcoarserpartofthebituminousmixturearedetermined. Thebindersegregationvalueiscalculatedasthedifferencebetweenthebitumencontentofthefinerinteriorpart andtheremainingcoarserpart.Theaggregatesegregationv
43、alueiscalculatedpersieveforthecoarseaggregate sievesasthedifferenceofthesieveresultbetweenthefinerpartandthecoarserpart.Themixingqualityvalueis calculatedasthedifferenceofthebindercontentbetweenthemasticsubpartofthefinerpartandofthecoarser part. Formoredetailedinformationtheintermediatepartcouldbeanalysedtocalculatethedifferencesbetweenthe threepartsi
