EN 12272-3-2003 en Surface dressing - Test method - Part 3 Determination of binder aggregate adhesivity by the Vialit plate shock test method《表面覆盖层的试验方法 第3部分 采用Vialit板冲击试验法测定粘合剂集料粘.pdf

1、BRITISH STANDARD BS EN 12272-3:2003 Surface dressing Test method Part 3: Determination of binder aggregate adhesivity by the Vialit plate shock test method The European Standard EN 12272-3:2003 has the status of a British Standard ICS 93.080.20 BS EN 12272-3:2003 This British Standard was published

2、under the authority of the Standards Policy and Strategy Committee on 21 May 2003 BSI 21 May 2003 ISBN 0 580 41901 0 National foreword This British Standard is the official English language version of EN 12272-3:2003. The UK participation in its preparation was entrusted by Technical Committee B/510

3、, Road materials, to Subcommittee B/510/2, Surface dressing, sprays and slurry surfacing, 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 Eur

4、opean 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 Electronic Catalogue or of British Standards Online. This publication does not purport to include

5、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 understand the text; present to the responsible international/European committee any enquiries

6、 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 comprises a front cover, an inside front cover, the EN title page, pages 2 to 20, an inside back

7、cover 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 EN122723 January2003 ICS93.080.20 Englishversion SurfacedressingTestmethodPa

8、rt3:Determinationofbinder aggregateadhesivitybytheVialitplateshocktestmethod EnduitssuperficielsMthodedessaiPartie3: Dterminationdeladhsivitliantsgranulatsparmesure delacohsionVialit OberflchenbehandlungPrfverfahrenTeil3: BestimmungdesAdhsionsvermgensvonBindemitteln undGesteinskrnungmitdemSchlagprfv

9、erfahren ThisEuropeanStandardwasapprovedbyCENon21November2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational st

10、andardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe offi

11、cial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPE

12、NDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN122723:2003EEN122723:2003(E) 2 Contents page Foreword3 Introduction .4 1 Scope 4 2 Normativereferences 4

13、3 Termsanddefinitions. .5 4 Activeadhesivityandmechanicaladhesion. 5 5 Wettingtemperature . .10 6 Fragilitytemperature . 12 AnnexA (informative) Summaryofthepreparationoftheplatesbeforetesting14 AnnexB (informative) Tablesofresults. 16 AnnexC (informative) Measuresofthefragilitytemperature19 AnnexD

14、(informative) PurposeoftheVialitplateshocktest 20EN122723:200 3( E) 3 Foreword This document (EN 122723 :2003) hasbe en prepared by TechnicalCo mmitteeCE N/TC22 7 “Road materials“, the secretariat ofw hich ish eld by DIN. This EuropeanSt andard shall be giventh e status of a nationalst andard, eithe

15、r by publication ofaniden ticaltextor byendorsement,atthel atestbyJuly2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby April 2005. ThisEurop ean Standardis oneofase riesofstan dardsasliste d below: EN1 22721, SurfacedressingTestmethodPart1:Rateofspreadandaccuracyofspreadofbinderand

16、chippings. prEN 122722, SurfacedressingTestmethodPart2:Visualassessmentofdefects. EN1 22723, SurfacedressingTestmethodPart3:DeterminationofbinderaggregateadhesivitybytheVialit plateshocktestmethod. AnnexesA , B,Ca nd D arein formative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandard

17、sorganizationsofthefollowing countriesareboundtoimplementthisEuro peanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,S pain, Sweden,Swi tzerlandandtheUnitedKin gdom.EN122723:2003(E) 4

18、Introduction Theadhesionbetweenbinderandchippingsisthebasisofsuccessfulsurfacedressing.ltisimportantthatthis bondcanbeobtained,initially,atthemomentofconstructionandbeensuredincoolconditionswhenthe adhesivityproblemsbecomedominantbinderwithdampordryanddustychippings.Aknowledgeofadhesivity enablesthe

19、choiceofabinderandaggregatetypeforminimumrisk,especiallyforearlyandlateseasonwork. 1Scope ThisEuropeanStandardspecifiesthemeasurementofthebinderaggregateadhesivity,andtheinfluenceof adhesionagentsorinterfacialdopesanadhesioncharacteristicsasanaidtodesignbinderaggregatesystemsfor surfacedressing.ltis

20、notintendedthatthismethodisusedonsiteforqualitycontrol. ThisEuropeanStandardspecifiesmethodsofmeasurementof: themechanicaladhesionofthebindertothesurfaceoftheaggregate; theactiveadhesivityofthebindertothechippings; theimprovementofthemechanicaladhesionandactiveadhesivitybyaddinganadhesionagenteither

21、intothe massofthebinderorbysprayingtheinterfacebetweenbinderandchippings; thewettingtemperatureofthebindertotheaggregate; thevariationofadhesivitybelowthefragilitytemperature. Thistestmethodissuitablefor: allthehydrocarbonbindersusedforsurfacedressings(e.g.conventionalorpolymermodifiedbinders,fluxed

22、 orcutbackbindersor,conventionalorpolymermodifiedbituminousemulsions); alltheaggregatetypesusedforsurfacedressings; followingaggregateproductsizes: set1:2/5mm,5/8mm,8/11mmand11/16mm; set2:2/6mm,4/6mm,6/10mmand10/14mm. NOTE FurtherinformationconcerningthepurposeofthetestmaybefoundinannexD. 2 Normativ

23、ereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean

24、 Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). ISO48,Rubber,vulcanizedorthermoplastic Determinationofhardness(Hardnessbetween10 IRHDand 100IRHD).EN122723:2003(E) 5 3 Termsanddefinitions Forthepurpose

25、softhisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 activeadhesivity necessarytobonddampchippingsintheirnaturalstate 3.2 mechanicaladhesion necessarytobondthedrychippingswiththeirnaturaldustorfinesmakinganinhibitingscreen 3.3 wettingtemperature lowesttemperatureofthebinderontheplate,ju

26、stpriortoapplyingthechippings,atwhichthenumberofallthe stainedchippingseitherbondedtotheplateorfallen,aftertheshocktest,isatleast90%ofthechippings 3.4 fragilitytemperature lowesttesttemperatureatwhich90%aggregatesremainbondedtotheplate 3.5 testtemperature temperatureatwhichtheplateswiththebinderandt

27、hechippingsareconditionedbeforetheshocktest 4 Activeadhesivityandmechanicaladhesion 4.1Description Therequiredquantityofbinderisheatedtosprayingtemperatureandspreadevenlyanasteelplate.Thetestis performedat(51)C. 50or100gradedchippingsarelaiddownonthebinderandrolledifahotbinderisused. Thepreparedplat

28、eisturnedoverandputon3pointedsupports. Asteelballismadetofall500mmthreetimesontotheplatewithina10speriod. Theadhesivityvalueisdeterminedasthesumofnumberofchippingsremainingbondedtotheplateandthe numberoffallenchippingswhicharestainedbythebinder. NOTE Ifthechippingsaretreatedchemicallyorwashedonsiteo

29、raninterfacialadhesionagent(dope)usedin construction,thenthisshouldbesimulatedinthetestmethod.Ifpolymermodifiedbindersareusedwhichneedspecialsite conditions,e.g.roadtemperatures10Corheatedchippings,thenagainthetestshouldreflecttheseconstraintsandthe reportmodifiedaccordingly,e.g.increasetemperatureo

30、fchippingsto10C. 4.2Apparatus 4.2.1 Flatsteelplates(seeFigure1) Flatsteelplateswitharimof2mmto3mmheightandwithfollowingdimensions: side(2001)mm (2001)mm; thickness(2,00,2)mm. Theplatesshouldbeflatmanufacturedwithatoleranceof0,2mmacrossthetotallengthinanydirection.The maximumtoleranceafterusageshallb

31、e0,5mm.EN122723:2003(E) 6 Dimensionsinmillimetres Figure1Flatsteelplate 4.2.23pointed supports Adevicecomposedofarigidbasewith3pointedsupports,averticalsupportendinginalightlyangledslide (3,00,5)tolaunchtheball,seeFigure2. Key 1 Level 2B a l l Tolerances1mm,exceptfor thesupports:0,2mm theball:0,5mm

32、Figure23pointedsupportsEN122723:2003(E) 7 4.2.3 Steelball Mass(51010)g,diameter(50,00,5)mm. 4.2.4 Rubberwheelroller(seeFigure3) Thicknessofthehardrubber:(152)mm; mass:(251)kg; usefulwidth:(26010)mm(seeFigure3); hardnessoftherubbershallbeShore40/150inaccordancewithISO48. Dimensionsinmillimetres Key 1

33、 Rubberthickness(15 2)mm 2 Rollermass(25 1)kg Figure3Rubberwheelroller 4.2.5Sprayer Forapplyingadhesionagent(dope)asaninterfaciallayerbetweenbinderandchippingsifrequired. 4.2.6Hygrometer Accurateto5%at90%humidity. 4.2.7Balance Accurateto0,1g,rangeatleast1000g.EN122723:2003(E) 8 4.2.8 Climaticchamber

34、s Capableofmaintainingtemperaturesofthesamplestocovertherange(301)Cto(251)Candahumidity greaterthan90%. 4.2.9Oven Capableofheatingchippingsorbindere.g.(505)Cto(1705)C. 4.2.10Auxiliaryitems Spatula; metallicboxwhichcanbehermaticallysealed; basketmadeofametallicgauze; timingdeviceofaccuracyto1s. 4.3Pr

35、ocedure 4.3.1 Preparationofthebinder 4.3.1.1Quantity Thebinderrateofspreadusedforthetestshallbe: 0,7 kg/m 2 whenthechippingsizeis4/6mm; 1,0 kg/m 2 whenthechippingsizesare5/8mm,6/10mmor8/11mm; 1,3 kg/m 2 whenthechippingsizesare10/14mmor11/16mm. Whenabitumenemulsionistested,theabovequantitiesapplytoth

36、eresidualbinderafterbreakingandtotal evaporationofthewatercontent. 4.3.1.2Temperature Atleast0,5kgofbindershallbewarmeduptosprayingtemperaturetypicallyusedonsitetoobtainaneven spread. 4.3.2 Preparationofthechippings 4.3.2.1Quantity 100chippingsshallbeusedwiththesizes4/6mm,5/8mm,6/10mmor8/11mm; 50chi

37、ppingsshallbeusedwiththesizes10/14mmor11/16mm. Whenchoosingchippingsforthesample,anyobviouslyoversized,undersizedorflakychippingsshallberejected. 4.3.2.2 Treatmentformechanicaladhesiontest Putthechippingswiththeirdustandfinesinacartonandplaceitinaventilatedovenat(501)Cfor(241)h. Putthecartoncontaini

38、ngthechippingsintoaboxwhichisthenhermaticallysealedandplacedinatemperature controlledchamberat(51)Cfor(241)h.EN122723:2003(E) 9 4.3.2.3 Treatmentforactiveadhesivitytest Putthechippingswiththeirdustandfinesinabasketmadeofametallicgauzeandplaceitinaclimaticchamber at(51)Cwithrelativehumiditygreatertha

39、n90%for(241)h. 4.3.3 Preparationoftheplates Cleananddrytheplatesbeforeeachtest. Weighouttherequiredquantityofbinderwarmeduptothesprayingtemperatureandapplyittotheplateuniformly withaspatulaaftercheckingwithaspiritlevelthatthesupportishorizontal. Toobtainauniformthicknessofthebinderfilm,theplatemaybe

40、heatedtoamaximumtemperatureof50C,fora maximumperiodof5min. Puttheplatewiththebinderinaclimaticchamberat(51)C,closebythesamples,for(202)min. 4.3.4 Spreadingandrolling(bindersexcludingemulsions) Takethechippingsfromtheclimaticchamberandplacethemevenlyonthebinder. Ifaninterfacialadhesionagent(dope)isus

41、ed,sprayitjustpriortotheapplicationofthechippings. Carryouttherollingwiththerubberrollerbythreepassesinonedirectionandthreepassesinacrosswise direction. 4.3.5 Spreading(emulsions) Takethechippingsfromtheclimaticchamberandplacethemgentlyanduniformlyontotheemulsionbeforeany breakingoftheemulsionoccurs

42、;rollingshallnotbecarriedout. Puttheplatewiththeemulsionandchippingsinaforceddraftventilatedclimaticchamberatroomtemperature (between20Cand30C)for(241)h. Thewatercontentistotallyevaporatedwhenconstantmassisachieved.Constantmassisdeemedtobeachieved whenthedifferencebetweensuccessiveweighingsathalfhourlyintervalsdoesnotexceed0,1%ofthemass. 4.3.6Temperatures setting Taketheplateswiththebinderorresidualbinderoftheemulsionandthechippings,andputtheminaclimatic chamberat(51)C,closebythesamples,for(202)min. 4.3.7Implementation Eachtestshallbecarried