1、BRITISH STANDARD BS EN 13880-7:2003 Hot applied joint sealants Part 7: Function testing of joint sealants The European Standard EN 13880-7:2003 has the status of a British Standard ICS 93.080.20 BS EN 13880-7:2003 This British Standard, was published under the authority of the Standards Policy and S
2、trategy Committee on 29 August 2003 BSI 29 August 2003 ISBN 0 580 42531 2 National foreword This British Standard is the official English language version of EN 13880-7:2003. The UK participation in its preparation was entrusted by Technical Committee B/510, Road materials, to Subcommittee B/510/3,
3、Materials for concrete roads, 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 referred to in this document may be found
4、 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 provisions of a contract. Users are respon
5、sible 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 interpretation, or proposals for change, and keep th
6、e 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 10, an inside back cover and a back cover. The BSI copyright notice displayed i
7、n this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN138807 August2003 ICS93.080.20 Englishversion HotappliedjointsealantsPart7:Functiontestingofjoint sealants Produitsdescellementdejoi
8、ntsappliquschaudPartie 7:Testfonctionnelsurscellementdejoints HeiverarbeitbareFugenmassenTeil7: FunktionsprfungvonFugenmassen ThisEuropeanStandardwasapprovedbyCENon2May2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthest
9、atusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation
10、 undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norwa
11、y,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref
12、.No.EN138807:2003EEN138807:2003(E) 2 Contents page Foreword3 1 Scope 3 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Principle4 5 Apparatus .4 6 Preparationandconditioningoftestspecimens .5 7 Procedure .7 7.1 Conditioning.7 7.2 Proceedingafterconditioning. .8 7.3 Testprocedure .8 8 Calculation
13、andexpressionofresults. 9 8.1 Maximumtension. 9 8.2 Failures .10 9 Testreport . .10EN138807:2003(E) 3 Foreword ThisdocumentEN138807:2003hasbeenpreparedbyTechnicalCommitteeCEN/TC227“Roadmaterials”,the secretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherby
14、publicationofanidenticaltextor byendorsement,atthelatestby February2004 ,andconflictingnationalstandardsshallbewithdrawnatthelatest by March2005 . AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Bel
15、gium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. ThisEuropeanStandardisoneofaseriesofstandardsaslistedbelow: EN138801, HotappliedjointsealantsPart1:Testmethodfor
16、thedeterminationofdensityat25C. EN138802, HotappliedjointsealantsPart2:Testmethodforthedeterminationofconepenetrationat25C. EN138803, HotappliedjointsealantsPart3:Testmethodforthedeterminationofpenetrationandrecovery (resilience). EN138804, HotappliedjointselantsPart4:Testmethodforthedeterminationof
17、heatresistanceChangein penetrationvalue. EN138805, HotappliedjointsealantsPart5:Testmethodforthedeterminationofflowresistance. prEN138806, HotappliedjointsealantsPart6:Testmethodforthepreparationofsamplesfortesting. EN138807, HotappliedjointsealantsPart7:Functiontestingofjointsealants. EN138808, Hot
18、appliedjointsealantsPart8:Testmethodforthedeterminationofthechangeinweightoffuel resistancejointsealantsafterfuelimmersion. EN138809, HotappliedjointsealantsPart9:Testmethodforthedeterminationofcompatibilitywithasphalt pavements. EN1388010, HotappliedjointsealantsPart10:Testmethodforthedetermination
19、ofadhesionandcohesion followingcontinuousextensionandcompression. EN1388011, HotappliedjointsealantsPart11:Testmethodforthepreparationofasphalttestblocksusedin thefunctiontestandforthedeterminationofcompatibilitywithasphaltpavements. EN1388012, HotappliedjointsealantsPart12:Testmethodforthemanufactu
20、reofconcretetestblocksfor bondtesting(recipemethods). EN1388013, HotappliedjointsealantsPart13:Testmethodforthedeterminationofthediscontinuous extension(adherencetest). 1Scope ThisEuropeanStandarddescribesafunctiontestforjointsealantsintendedforuseinconstructionjointsaswellas inspontaneouslyformedcr
21、acksinroadandairfieldpavements.EN138807:2003(E) 4 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendm
22、entstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). prEN138806, HotappliedjointsealantsPart6:Testmethodforthepreparationofsamplesfortesting. EN1
23、388011, HotappliedjointsealantsPart11:Testmethodforthepreparationofasphalttestblocksusedin thefunctiontestandfordeterminationofcompatibilitywithasphaltpavements. EN1388012, HotappliedjointsealantsPart12:Testmethodforthemanufactureofconcretetestblocksfor bondtesting(Recipemethods). prEN141881:2001, J
24、ointfillersandsealantPart1:Specificationsforhotappliedsealants. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninprEN 141881:2001andthe followingapply. 3.1 adhesionfailures surfaceareaofthetestblocksfromwhichthehotappliedjointsealanthascompletelyseparated 3.2 c
25、ohesionfailures cracksinthesuperficialareasonthefacesofthehotappliedjointsealant 4Principle Thismethodisintendedtoserveasanacceleratedtestfortheassessmentofdamagetohotappliedsealants resultingfromfluctuatingtemperatures,watersprayingandsimultaneousdynamicloads. 5Apparatus 5.1 Tensiletestrig, whichal
26、lowsthetestspecimenstobeinsertedintoholdingclamps,convenientlyand withoutdisturbingthetestspecimensbefore,duringorafterremoval.Thetestrigshallbecapableoftestinga numberoftestspecimenssimultaneouslyandshallnotbesignificantlyaffectedbythefailureofoneormoretest specimens. Thetestingrigshallhavethefollo
27、wingcharacteristics: bemotordriventhroughpositivedriveswithoutsliporsignificantbacklash,sothatcyclesofextensionand compressionarecarriedoutsteadilyandautomatically; becapableofmovingthetestspecimenssmoothlyandlinearly,sothattheiralignmentismaintainedatall timeswithoutsubjectingthemtotorsion,bending,
28、shock,orsignificantvibration; underthespecifiedconditionsinclause8; becapableofmeasuringandrecordingthechangesinforcewithanuncertaintyofmeasurementof2%after applicationofthemaximumtensileforcetoeachsystem.EN138807:2003(E) 5 NOTE Testingmayalsobecarriedoutatdifferingratiosoftemperature,deformationand
29、movementinaccordancewiththe sealantmanufacturersrecommendationsprovidedthatthecriteriaarewithinthecapabilitiesofthetestrigdescribedabove. 5.2 Climatechamber, capableofreducingorraisingthetemperatureofafullcomplementoftestspecimens tothespecifiedtemperaturethroughouttheperiodofexamination. Thechamber
30、shallbefittedwithatimecontrolleddevicetoallowthespecimentobesubjectedtowaterspraying for20%ofthetotalconditioningtimeattheappropriatetemperatureasprovidedforinclause7. 5.3 Temperatureindicator,consistingofanelectronicdevicecapableofmeasuringtemperaturesinthe rangeof30Cto70Ctoanaccuracyof 1C; 6 Prepa
31、rationandconditioningoftestspecimens 6.1 PreparethetestspecimensaccordingtoprEN138806. 6.2 ConcretetestblocksinaccordancewithEN 1388012andasphalttestblocksinaccordancewithEN13880 11shallbeused.Thedimensionsofthetestblocksare(75 1)mmlength,(25,0 0,5)mmwidthand(12,0 0,5) mmheight.Theconcretetestblocks
32、shallhaveamoisturecontentwithinthelimitsof(5,0 0,5)%. 6.3 Useasuitablemouldtoplacetwotestblocksexactlyoppositeeachotherforajointwidthof(12,0 0,5)mm. 6.4 Ifaprimerisused,applyittothesawntestfacesofthetestblocksinaccordancewiththemanufacturers instructions. 6.5 Placeatopmaskonthemouldsothatthejointcan
33、beoverfilledwhenthetestsampleinpouredintoit. 6.6 Anyadheringofthetestsampletothebordersofthejointshallbeavoided. 6.7 Allowthetestspecimenstocoolatlaboratorytemperaturefor2hafterwhichremovetheexcesstestsample usingaheatedknifesothatthetestspecimensareflushwiththesurfaceofthetestblocks. 6.8 Threetests
34、pecimensshallbepreparedforeachtest.ThetestspecimensshallbeasdescribedinFigures1 and2.EN138807:2003(E) 6 Alldimensionsinmillimetres Key 1 concretetestblocksaccordingtoEN1388012 2 hotappliedjointsealant Figure1Testspecimenofconcretetestblocks Key 1 asphaltconcreteblocksaccordingtoEN1388011 2 hotapplie
35、djointsealant Figure2TestspecimenofasphalttestblocksEN138807:2003(E) 7 7Procedure 7.1Conditioning ThetestspecimenscanbemountedonthetensiletestrigasshowninFigure3,forexample.Thetestspecimens shallthenbesubjectedtoaconditioningcycle(seeFigure3)asdescribedbelow: temperaturecycling: from(15 1)Cupto(20 1
36、)C; rateofdeformation: (0,010 0,002)mm/min; movement: compression (0,100,02)mm; elongation (0,400,02)mm; waterspraying: 20%oftotaltime(1minwaterspraying,4minpause). Key 1 stationarybeam 2 concretetestblocksaccordingtoEN1388012 3 sealant 4 moveablebeam 5g r i p s 6 loadcell Figure3Testspecimenmounted
37、inthetensiletestrigEN138807:2003(E) 8 Figure4Conditioningcycle Key 1 movement,inmillimetres(mm) 2 temperatureinCelcius(C) 3 timeinhours(h) Thisconditioningcycleshallberepeatedforaminimumof3days. 7.2 Proceedingafterconditioning Theconditioningcycleshallstopatzerodisplacement.Aftercompletionofconditio
38、ninglowerthetemperatureto 11 1Cwithoutmovingthetestspecimensandwithoutwaterspraying. 7.3 Testprocedure Thetestspecimensshallbesubjectedtothetestcycle(seeFigure5)asdescribedbelow: Temperaturecyclingrange:startingpoint(11 1)C; rateofdeformation:(0,0100,002)mm/min; movement:elongation60%(7,2mm),compres
39、sion20%(2,4mm); numberofcycles: 3cycles; waterspray:20%ofthetotaltimeatthetemperatureintervals5Cto20Cand20Cto5C(1minutewater sprayfollowedby4minutesdryperiod).EN138807:2003(E) 9 Figure5Onetestcycle Key 1 movement,inpercent(%); 2 temperature,inCelsius(C); 3 time,inhours(h). Theforceshallberecordeddur
40、ingtheentiretestprocedure. Themaximumforceofthethreetestcyclesshallberecorded. Aftercompletionofthetestcyclesraisethetemperaturetoroomtemperature(23 2C)andperformthefollowing visualinspections: thejointshallbeelongatedto19,2mmandinspectedtocheckforvisibledamageandfractures,suchas adhesionorcohesionf
41、ractures; compressthejointtotheoriginaldimensions; a3mmdeepnotchinonecornerofthejointshallbemadewithasharpknife; thejointshalloncemorebeelongatedto19,2mmandinspectedwithrespecttovisibledamageandfractures suchasadhesionorcohesionfailure. 8 Calculationandexpressionofresults 8.1 Maximumtension Calculat
42、ethemaximumtensionaccordingtothefollowingformula: A F (1) where isthemaximumtension,innewtonpersquaremillimetres(N/mm 2 );EN138807:2003(E) 10 F isthemaximumforce,innewton(N); A isthearea,insquaremillimeter(mm 2 ). Reportthemaximumtensionastheaverageofthethreetestspecimens,roundedtothenearest0,1N/mm
43、2 . 8.2Failures Reportadhesiveandcohesivefailures. 9 Testreport ThetestreportshallstatethatthetestwascarriedoutinaccordancewiththisEuropeanStandardandshallinclude thefollowinginformation: a) nameofsampleandrelatedprimersifused; b) sourceofsample,batchnumberanddateofmanufacturewhereappropriateorexpirydate; c) dateo
