BS EN 13733-2002 Products and systems for the protection and repair of concrete structures - Test methods - Determination of the durability of structural bonding agents《混凝土结构的防护和修整.pdf

1、BRITISH STANDARD BS EN 13733:2002 Products and systems for the protection and repair of concrete structures Test methods Determination of the durability of structural bonding agents The European Standard EN 13733:2002 has the status of a British Standard ICS 83.180; 91.080.40 NO COPYING WITHOUT BSI

2、PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 13733:2002 This British Standard, having been prepared under the direction of the Building and Civil Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 1 July 2002

3、BSI 1 July 2002 ISBN 0 580 39978 8 National foreword This British Standard is the official English language version of EN 13733:2002. The UK participation in its preparation was entrusted by Technical Committee B/517, Concrete, to Subcommittee B/517/8, Protection and repair of concrete structures, w

4、hich 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 in the BSI Catalogue under the

5、 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 of this publication are responsible for t

6、heir 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 the UK inte

7、rests 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 13 and a back cover. The BSI copyright date displayed in this document indicates when th

8、e document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13733 May2002 ICS83.180;91.080.40 Englishversion Productsandsystemsfortheprotectionandrepairofconcrete structuresTestsmethodsDeterminationofthedurabilityof structura

9、lbondingagents Produitsetsystmespourlaprotectionetlarparationdes structuresenbtonMthodesdessaiDterminationde ladurabilitdesproduitsdecollagestructural ProdukteundSystemefrdenSchutzunddie InstandsetzungvonBetontragwerkenPrfverfahren BestimmungderDauerhaftigkeitvonKlebstoffenfr konstruktiveZwecke This

10、EuropeanStandardwasapprovedbyCENon30December2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeo

11、btainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions

12、. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMI

13、TEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13733:2002EEN13733:2002(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Principle4 4 Equipment.4 4.1 Concretetoconcretec

14、omposites(seeFigures1a)and1b) . .4 4.2 Steeltosteelcomposite(seeFigure2) . 5 4.3 Environmentalcabinets 5 5 Environmentalregimes . 5 5.1 ThermalCycle. 5 5.2 Warmmoistenvironment 5 6 Preparationoftestspecimens. .5 6.1 General5 6.2 Concretetoconcretecomposites. .6 6.3 Productionofsteeltosteelcomposites

15、pecimens 6 7 Testprocedures . 6 7.1 Testingoftheconcretetoconcretespecimens. 6 7.2 Testingofsteeltosteelspecimens. 7 8 Testreport . .7 8.1 Concretetoconcretecompositespecimen . .7 8.2 Steeltosteelcompositespecimen. .7EN13733:2002(E) 3 Foreword ThisdocumentEN13733:2002hasbeenpreparedbyTechnicalCommit

16、teeCEN/TC104“Concreteandrelated products“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyNovember2002,andconflictingnationalstandardsshallbewithdrawnatthelatest byDecember2002. Thisstand

17、arddoesnotsupersedeanyotherEuropeanStandard.IthasbeenpreparedbySubCommittee8 “Productsandsystemsfortheprotectionandrepairofconcretestructures“,thesecretariatofwhichisheldby AFNOR. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplemen

18、tthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN13733:2002(E) 4 1Scope ThepurposeofthisEuropeanStandardistodefinelaboratorymethodsoftestingtoas

19、certainthedurabilityof structuralbondingagentsincompositesystemsinvolvingthebondingofhardenedconcretetohardenedconcrete, freshconcretetohardenedconcreteandsteeltosteel. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativerefe

20、rencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapp

21、lies(includingamendments). EN1766, ProductsandsystemsfortheprotectionandrepairofconcretestructuresTestmethodsReference concretesfortesting . EN123904, TestinghardenedconcretePart4:CompressivestrengthSpecificationfortestingmachines . ISO85011, Preparationofsteelsubstratesbeforeapplicationofpaintsandr

22、elatedproductsVisualassessments ofsurfacecleanlinessPart1:Rustgradesandpreparationgradesofuncoatedsteelsubstratesandofsteel substratesafteroverallremovalofpreviouscoatings . 3Principle Thisstandarddescribesathermalcyclingregimeandawarmmoistenvironment,whichareappliedinturnto compositesystemsincorpor

23、atingastructuralbondingagent. Fortestingthestructuralbondingofconcrete,thespecimenconsistsofthreeconcretecubesbondedinlinewhich arethenexposedtoanenvironmentalregimepriortobeingsubjectedtoacompressiveshearforceappliedinthe planeofthebondline. Fortestingthestructuralbondingofsteel,twosteelplatesarebo

24、ndedtogetherandsubjectedtoacleavageforce appliedbytheinsertionofawedge.Thestressedspecimenisthenexposedtoanenvironmentalregimeduring whichmeasurementsaretaken. 4Equipment 4.1 Concretetoconcretecomposites(seeFigures1a)and1b) 4.1.1 Steelmouldforcasting100mm 100mm 100mmconcretecubes. 4.1.2 Jigtoensurea

25、ccuratealignmentwhenbondingthe100mm 100mm 100mmcubes. 4.1.3 Steelmould100mm 100mm 302mmforcastingfreshconcretetohardenedconcretespecimens. 4.1.4 CompressiontestingmachineconformingtoEN123904capableoftestingthebondedspecimens conformingto6.2.1and6.2.2incompressiveshear. 4.1.5 Testrigsupporttoalignthe

26、bondedcubeassemblysecurelyinthetestingmachinewhilstthecompressive shearingforceisappliedparalleltotheplanesofthebondsanddistributedevenlybetweenthem,asdepictedin Figures1a)and1b).EN13733:2002(E) 5 4.2 Steeltosteelcomposite(seeFigure2) 4.2.1 2steelplates150mm 25mm 3,0mm. 4.2.2 Steelwedgehavingdimensi

27、onsdepictedinFigure2. 4.2.3 PVCtape. 4.2.4 Travellingmicroscopeofmagnification15,fittedwitharulegraduatedinmm. 4.3 Environmentalcabinets 4.3.1 Temperaturecontrolledconditioningcabinetadjustabletowithin1 C. 4.3.2 Programmabletemperaturecabinetcapableofheatingto(+55 2) Candcoolingto(25 2) C. 4.3.3 Cli

28、maticchambercapableofheatingto(+40 2) Cat(95 5)%relativehumidity. 5 Environmentalregimes 5.1 ThermalCycle Thermalcyclingtakesplaceinaprogrammabletemperaturecabinet.Thethermalcyclingregimeisdepictedin Figure3.After15mininitialcoolingfrom20 C,thecyclestartsfrom25 Caccordingtothedetailgivenin Figure3.E

29、achthermalcycleconsistsofacoolingphaseover6hinairatatemperatureof(25 2) Cfollowedby aheatingphaseover6hinairatatemperatureof(+55 2) C.Thecoolingandtheheatingshalltakeplaceata rateof3 C/min.Onecyclelastsfor12handcomprisesthefollowingstages: 333minairstorageat T=(25 2) C; 27minheatinginairto T=(+55 2)

30、 C; 333minairstorageat T=(+55 2) C; 27mincoolinginairto T=(25 2) C. Duringanyinterruptionofthecyclingthespecimenshallbestoredatstandardclimateconditions (21 2) C/(60 10)%relativehumidity). Thecompletethermalcyclingregimeshallconsistof50cycles. 5.2 Warmmoistenvironment Thewarmmoistenvironmentalregime

31、shallconsistofsixmonthsexposuretoanenvironmentmaintainedat (+40 2) C,(95 5)%relativehumidity). Duringanyinterruptiontotheregimethespecimenshallbestoredatstandardclimateconditions (21 2) C/(60 10)%relativehumidity). 6 Preparationoftestspecimens 6.1General Forapplicationsinvolvingbondedplatereinforcem

32、entsixspecimensofhardenedconcretetohardenedconcrete andsixspecimensofsteeltosteelshallbeproducedfortestingassociatedwitheachenvironmentalregime.EN13733:2002(E) 6 Forapplicationsinvolvingbondedmortarorconcretesixspecimensofeitherhardenedconcretetohardened concreteorfreshconcretetohardenedconcreteshal

33、lbeproducedfortestingassociatedwitheachenvironmental regime. Foreachenvironmentalregimethreespecimensshallbetested.Afurtherthreespecimensshallbemaintainedat standardclimateconditions(21 2) C,(60 10)%relativehumidity)forcontrolpurposes. 6.2 Concretetoconcretecomposites 6.2.1 Productionofthehardenedco

34、ncretetohardenedconcretespecimens Concretecubesofdimensions100mm 100mm 100mmshallbecastandcuredinaccordancewithEN1766. Ononecube,twooftheformedfacestobebondedandontwocubes,theformedfacetobebonded,shallbe gritblastedinaccordancewiththerequirementsofEN1766.Immediatelypriortobondingthesegritblasted sur

35、facesshallbevacuumedtoremoveanydust. Mixthecomponentsoftheadhesivetobetestedandapplyanevenlayerapproximately1mmthicktoeachofthe preparedconcretesurfacesinaccordancewiththemanufacturersinstructions.Bondthethreecubestogetherto produceaspecimenwithabondlineapproximately1mmthickasshowninFigure1.Itisnece

36、ssarytouseajigto ensureaccuratealignmentofadherents. Allowtheadhesivetocureforatleast7daysat(+21 2) C,(60 10)%relativehumidity. 6.2.2 Productionofthefreshconcretetohardenedconcretespecimens Concretecubesofdimensions100mm 100mm 100mmshallbecastandcuredinaccordancewithEN1766. Ontwoofthecubes,thecastfa

37、cetobebondedshallbegritblastedinaccordancewiththerequirementsof EN1766.Immediatelypriortobondingthisgritblastedsurfaceshallbevacuumedtoremoveanydust. Thecomponentsoftheadhesiveshallbemixedandanevenlayerapproximately1mmthickappliedtothe preparedconcretesurfacesinaccordancewiththemanufacturersinstruct

38、ions.Placethetwocubesata separationof(102 0,2)mminthe100mm 100mm 302mmmould.Theconcreteshallbepouredintothe central100mm 100mm 100mmvolumeandcarefullycompactedbyhandinaccordancewithEN1766. Thecompleteassemblyshallbecuredforatleast28daysat(+21 2) C,(60 10)%relativehumidity. 6.3 Productionofsteeltoste

39、elcompositespecimens DegreaseonesideofeachsteelplateusingasuitabledegreasingagentandthengritblasttogradeSa2.5 accordingtoISO85011.Thegritblastedsurfaceshallthenbevacuumedtoremoveanydust.GluePVCtape(12,5 mmwide)ononeendoftheplatesothatthewedgecanbeinsertedthere(seeFigure2). Mixthecomponentsoftheadhes

40、iveandapplyanevenlayerapproximately0,5mmthicktoeachoftheprepared steelsurfacesinaccordancewiththemanufacturersinstructions.Bondthesteelplatestogetherinasuitablejig (forexample,seeFigure4)inordertoachieveagluelinethicknessof(0,65 0,05)mm. Allowtheadhesivetocureforatleastsevendaysat(+21 2) C,(60 10)%r

41、elativehumidity,beforeinserting thewedgeatarateof50mm/mintoitsfulldepthof25mminasuitablecompressiontestingmachine. 7 Testprocedures 7.1 Testingoftheconcretetoconcretespecimens Afterthespecimenshaveundergonetheappropriateenvironmentalregime,theyshallbeconditionedfor24hat (21 2) Cand(60 10)%relativehu

42、midity.ThetestandcontrolspecimensshallthenbetestedinshearasEN13733:2002(E) 7 showninFigures1a)and1b).Loadshallbeappliedatarateof(60 20)kN/min.TheloadatfailureinkNandthe positionoffailureshallbenotedineachcase. 7.2 Testingofsteeltosteelspecimens Immediatelypriortocommencementoftheenvironmentalregimet

43、hecracklengthshallbemeasuredonbothsides ofeachtestandcontrolspecimentoanaccuracyof 0,1mmusing,forexample,atravellingmicroscope.Thetest specimensshallbeplacedimmediatelyintotheenvironmentalchamberorcabinet,andmeasurementstakenafter 24h,andthenat24hintervalsuntilthecracklengthhasstabilised.Thereafter,measurementsshallbet