1、BRITISH STANDARD BS EN 13880-12:2003 Hot applied joint sealants Part 12: Test method for the manufacture of concrete test blocks for bond testing (recipe methods) The European Standard EN 13880-12:2003 has the status of a British Standard ICS 93.080.20 BS EN 13880-12:2003 This British Standard, was
2、published under the authority of the Standards Policy and Strategy Committee on 28 August 2003 BSI 28 August 2003 ISBN 0 580 42534 7 National foreword This British Standard is the official English language version of EN 13880-12:2003. The UK participation in its preparation was entrusted by Technica
3、l Committee B/510, Road materials, to Subcommittee B/510/3, Materials for concrete roads, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or Europe
4、an 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 all
5、 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 on
6、 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 8, an inside back cove
7、r and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1388012 August2003 ICS93.080.20 Englishversion HotappliedjointsealantsPart12
8、:Testmethodforthe manufactureofconcretetestblocksforbondtesting(recipe methods) ProduitsdescellementdejointsappliquschaudPartie 12:Mthodedessaipourlafabricationdeblocsenbton pourlessaidadhrence(recette) HeiverarbeitbareFugenmassenTeil12:Prfverfahren zurHerstellungvonBetonGrundkrpernfrdie Bestimmungd
9、esDehnundHaftvermgens ThisEuropeanStandardwasapprovedbyCENon2May2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnati
10、onal standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusast
11、he official 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 COMI
12、TEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1388012:2003EEN1388012:2003(E) 2 Contents page Foreword3 1 Scope 3 2 Normativereferences 4 3 Princ
13、iple4 4 Apparatus .4 5 Materials5 5.1 Coarseaggregate .5 5.2 Fineaggregate 5 5.3 Cement5 5.4 Mixingwater .5 5.5 Admixtures .5 6 Concretetestblockmixes . .6 6.1 General6 6.2 Concretetestblockswithcoarseaggregate 6 6.3 Concretetestblockswithfineaggregate 6 7 Manufactureofconcretetestblocks . 6 7.1 Gen
14、eral6 7.2 Casting7 7.3 Curingtheconcreteblocks .7 7.4 Cuttingtheconcretetestblocks 7 7.5 Storageoftheconcretetestblocks. 7 8 Conditioningoftheconcretetestblocks 7 9 Testreport . .7 Bibliography 8EN1388012:2003(E) 3 Foreword ThisdocumentEN1388012:2003hasbeenpreparedbyTechnicalCommitteeCEN/TC227“Roadm
15、aterials”,the secretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestby February2004 ,andconflictingnationalstandardsshallbewithdrawnatthelatest by March2005 . AccordingtotheCEN/CENELECInternalRegula
16、tions,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom
17、. ThisEuropeanStandardisoneofaseriesofstandardsaslistedbelow: EN138801, HotappliedjointsealantsPart1:Testmethodforthedeterminationofdensityat25C. EN138802, HotappliedjointsealantsPart2:Testmethodforthedeterminationofconepenetrationat25C. EN138803, HotappliedjointsealantsPart3:Testmethodforthedetermi
18、nationofpenetrationandrecovery (resilience). EN138804, HotappliedjointselantsPart4:TestmethodforthedeterminationofheatresistanceChangein penetrationvalue. EN138805, HotappliedjointsealantsPart5:Testmethodforthedeterminationofflowresistance. prEN138806, HotappliedjointsealantsPart6:Testmethodforthepr
19、eparationofsamplesfortesting. EN138807, HotappliedjointsealantsPart7:Functiontestingofjointsealants. EN138808, HotappliedjointsealantsPart8:Testmethodforthedeterminationofthechangeinweightoffuel resistancejointsealantsafterfuelimmersion. EN138809, HotappliedjointsealantsPart9:Testmethodforthedetermi
20、nationofcompatibilitywithasphalt pavements. EN1388010, HotappliedjointsealantsPart10:Testmethodforthedeterminationofadhesionandcohesion followingcontinuousextensionandcompression. EN1388011, HotappliedjointsealantsPart11:Testmethodforthepreparationofasphalttestblocksusedin thefunctiontestandforthede
21、terminationofcompatibilitywithasphaltpavements. EN1388012, HotappliedjointsealantsPart12:Testmethodforthemanufactureofconcretetestblocksfor bondtesting(recipemethods). EN1388013, HotappliedjointsealantsPart13:Testmethodforthedeterminationofthediscontinuous extension(adherencetest). 1Scope ThisEurope
22、anStandarddescribesamethodforthemanufactureofconcretetestblocksforjointsealantbond testing.EN1388012:2003(E) 4 TherequirementsofthisEuropeanStandardareapplicabletoconcretetestblockswithamaximumaggregatesize of16mmto20mmorwithamaximumaggregatesizeof4,0mm. 2 Normativereferences ThisEuropeanStandardinc
23、orporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitby
24、amendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN1971, CementPart1:Composition,specificationsandconformitycriteriaofcommoncements. EN9332:1995, TestsforgeometricalpropertiesofaggregatesPart2:Determinationofparticlesizedistribution; te
25、stsieves,nominalsizeofapertures. EN9342, Admixturesforconcrete,mortarandgroutPart2:ConcreteadmixturesDefinitions,requirements, conformity,markingandlabellling. EN1008, MixingwaterforconcreteSpecificationforsampling,testingandassessingthesuitabilityofwater, includingwaterrecoveredfromprocessesintheco
26、ncreteindustry,asmixingwaterforconcrete. EN138807, HotappliedjointsealantsPart7:Functiontestingofjointsealants. EN1388010, HotappliedjointsealantsPart10:Testmethodforthedeterminationofadhesionandcohesion followingcontinuousextensionandcompression. EN1388013, Hotappliedjointsealants Part 13:Testmetho
27、dforthedeterminationofthediscontinuous extension(adherencetest). EN141871, ColdappliedjointsealantsPart1:Testmethodsforthedeterminationoftherateofcure. EN141876, ColdappliedjointsealantsPart6:Testmethodforthedeterminationoftheadhesion/cohesion propertiesafterimmersioninchemicalliquids. EN141877, Col
28、dappliedjointsealantsPart7:Testmethodforthedeterminationoftheresistancetoflame. ISO4012, ConcreteDeterminationofcompressivestrengthoftestspecimens. 3Principle Referenceconcretetestblockstobeofuniformconsistencytoenabletheadhesiveandcohesivepropertiesofthe jointsealanttestspecimenstobemeasured. 4Appa
29、ratus 4.1 Concreteormortarmixer . 4.2 Metalmoulds ,stoutenoughtoresistdistortionandofasuitablesizetoproduceconcretetestblockswith dimensionsinaccordancewiththetestmethodstandards. 4.3 Vibratingtableorvibrationrod suitableforthecompactionoftheconcreteinthemouldsaccordingto EN9342. 4.4 Diamondtippedco
30、ncretesaw .EN1388012:2003(E) 5 4.5 Oven,capableofmaintainingatemperatureof(105 5)C. 4.6 Cabinet,capableofmaintainingarelativehumidityof95%andatemperatureof(23 5)C. 4.7 Desiccator. 4.8 Steeltrowels . 5Materials 5.1Coarse aggregate Coarseaggregatesilicabasedwithlowwaterabsorption(lessthan2 %bymass).Th
31、eaggregategrading, measuredinaccordancewithEN9332shallconformtothemaximumsizeof16/20mmandshallhavean appropriateparticlesizedistributioninordertoobtainthemechanicalproperties. Thecoarseaggregateshallbeusedtoproducenormalconcretetestblocks. 5.2 Fineaggregate Fineaggregatesilicabasedwithlowwaterabsorp
32、tion(lessthan2%bymass).Theaggregategrading,measured inaccordancewithEN9332shallconformtothemaximumsizeof4,0 mmandshallhaveaparticlesize distributioninaccordancewithTable1. Table1Gradingofsilicaandaggregatemix,0/4mm Content %ofmass kg/m 3 Fineaggregates,0/4mm 0,125/0,5 0,5/1,0 1,0/2,0 2,0/4,0 30 17 2
33、5 28 460 410 280 500 Total 100 1650 Thefineaggregateshallbeusedtoproduceconcretetestblockswithfineaggregate. 5.3Cement PortlandtypecementCEMI42,5RconformingtoEN1971. 5.4Mixing water Mixingwater,conformingtoEN1008. 5.5Admixtures Admixtures,conformingtoEN9342.EN1388012:2003(E) 6 6 Concretetestblockmix
34、es 6.1General ThisEuropeanStandarddescribestwotypesofconcretetestblockrecipemixes,definedbythemaximum aggregatesizeandmixproportions. TheuseofadmixturesconformingtoEN9342arepermittedtogiveaworkableconcretemix. 6.2 Concretetestblockswithcoarseaggregate Concretetestblockswithcoarseaggregateshallbeused
35、inEN138807andEN1388010. Themixshallbeproportionedasfollows: aggregates: 6parts(m/m); cement: 1part(m/m); water: 0,6part(m/m). The28daysmeancompressivestrength(cube)shallbemeasuredinaccordancewithISO4012. 6.3 Concretetestblockswithfineaggregate ConcretetestblockswithfineaggregateshallbeusedinEN138801
36、3andinEN141871,6,7. ThemixshallbeinaccordancewithTable2: Table2Concretemixcomposition Content %ofmass kg/m 3 Cementcontent Water Water/cementratio Fineaggregates,0/4mm 20,8 10,4 0,5 68,0 500 250 1650 Total 100,0 2400 The28daysmeancompressivestrength(cube)shallbemeasuredinaccordancewithISO4012. 7 Man
37、ufactureofconcretetestblocks 7.1General Mixtheconcretebymachine,orbyhandifnotmorethanthreetestblocksarerequiredfromthebatch. Ifmixedbymachine,placetheaggregateandcementintothemixerfirst,followedbythewaterandmixthe componentsfor3min. Ifmixedbyhand,firstmixthecementandaggregatesonanonporoussurfacefor1
38、minoruntilthemixtureis uniform.Addthewaterandmixthecontentsforafurther3minusingtwotrowels.EN1388012:2003(E) 7 7.2Casting Casttheconcretetestblockswithin30minofmixingtheconcrete.Transferthemixedconcretetothemouldsin approximatelytwoequalquantitiesplacedinlayersandcompacteachlayerbyvibrationonasuitabl
39、evibrating tableinsuchamannerthatfullcompactionisobtainedwithouttheoccurrenceofsegregationorexcessivelaitance. Alternatively,compactlayersbyhandtamping.Smooththetopoftheconcretewithatrowelsothatthesurfaceis levelledflushwiththesidesofthemould. 7.3 Curingtheconcreteblocks Theconcretetestblocksshallbe
40、curedat(23 5)Cfor24hcoveredwithpolyethylenefilmorstoredatarelative humidityofatleast95%.Theconcretetestblocksshallberemovedfromthemouldsandstoredinwaterat (23 5)Cfor27days. 7.4 Cuttingtheconcretetestblocks Cuttheconcreteblockstothedimensionsrequired,bymeansofadiamondtippedconcretesaw,discardingany b
41、lockthatbecomesdamagedbyravellingoftheedgeduringsawing. Thedimensionsoftheconcretetestblocksshallbeinaccordancewiththetestmethodstandards. 7.5 Storageoftheconcretetestblocks Theconcretetestblocksshallbestoredinlimesaturatedwateruntiluse. 8 Conditioningoftheconcretetestblocks Taketheconcretetestblock
42、sfromthelimedwater,washthemanddryinanovenatatemperatureof(105 5)C for48h. Removetheconcretetestblocksfromtheovenandplaceinadesiccatoroveranhydrouscalciumchloridetocool foraminimumof4h.Determineandrecordthemassthenstoreatstandardlaboratoryconditionsof(23 2)C and(50 5)%relativehumidityuntilreadyfortes
43、ting. Whenmoisturecontentisrequiredforuse,submergetheconcretetestblocksinwatermaintainedatatemperature of(23 2)Cfor24h.Removefromthewater,wipethesurfacesdrywithacleanabsorbentclothandallowthe concretetestblockstostandfor(1,00 0,25)hinstandardlaboratoryconditions.Weightheblocksandcalculate theirmoisturecontent.Rejectanyblockswhichhavemoisturecontentsoutsidethelimitsof(5,0 0,5)%. 9
