EN 13584-2003 en Products and systems for the protection and repair of concrete structures - Test methods - Determination of creep in compression for repair products《混凝土结构保护和修缮用产品及.pdf

1、BRITISH STANDARD BS EN 13584:2003 Products and systems for the protection and repair of concrete structures Test methods Determination of creep in compression for repair products The European Standard EN 13584:2003 has the status of a British Standard ICS 91.080.40 BS EN 13584:2003 This British Stan

2、dard was published under the authority of the Standards Policy and Strategy Committee on 16 August 2004 BSI 16 August 2004 ISBN 0 580 44279 9 National foreword This British Standard is the official English language version of EN 13584:2003. The UK participation in its preparation was entrusted by Te

3、chnical Committee B/517, Concrete, to Subcommittee B/517/8, Protection and repair of concrete structures, 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 inte

4、rnational or European 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 pur

5、port to include 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 committ

6、ee any enquiries 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 12,

7、 an inside back cover 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 EN13584 August2003 ICS91.080.40 Englishversion Productsand

8、systemsfortheprotectionandrepairofconcrete structuresTestmethodsDeterminationofcreepin compressionforrepairproducts Produitsetsystmespourlaprotectionetlarparationdes structuresenbtonMthodesdessaiDterminationdu fluageencompressiondesproduitsderparation ProdukteundSystemefrdenSchutzunddie Instandsetzu

9、ngvonBetontragwerkenPrfverfahren BestimmungdesKriechensvonBetonersatzsystemenim Druckversuch ThisEuropeanStandardwasapprovedbyCENon12June2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithouta

10、nyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENme

11、mberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Swede

12、n,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13584:2003E:48531NE3002(E

13、) 2 Contents Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Principle5 5 Apparatus .5 6 Preparation .6 6.1 General6 6.2 Castingoftestspecimens . .6 6.3 Conditioning.6 6.4 Measurement6 7 Procedure .6 7.1 Preparationfortesting . .6 7.2 Preloadingcycle . 7 7.3 Creeploadingcycle

14、 . 7 7.4 Creeprecovery .7 7.5 Compressivestrengthtesting 7 7.6 Shrinkagecontrolspecimen .7 8 Calculation7 9 Testreport . .8 AnnexA (normative) Summaryoftemperaturesandhumiditiesforthecuring,conditioningand testingofrepairproductsand systems 11 Bibliography 12 Page2 EN13584:2003:48531NE3002(E) 3 Fore

15、word Thisdocument(EN13584:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC104,“Concreteandrelated products“,theSecretariatofwhichisheldbyDIN. Ithasbeenpreparedbysubcommittee8“Productsandsystemsfortheprotectionandrepairofconcrete structures”(SecretariatAFNOR). ThisEuropeanStandardshallbegiventhestatuso

16、fanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyFebruary2004,andconflictingnationalstandardsshallbewithdrawnatthelatest byFebruary2004. ThisEuropeanStandardisoneofaseriesdealingwithproductsandsystemsfortheprotectionandrepairof concretestructures.Itdescribesatestm

17、ethodusedtoevaluatethecreepincompressionofrepairgrouts,mortars andconcretes. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Icel

18、and,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Page3 EN13584:2003:48531NE3002(E) 4 1Scope ThisEuropeanStandardspecifiesamethodformeasuringcreepundercompressiveloadinproductsandsystems fortherepairofconcretestructures,asdefinedinp

19、rEN15043.The methodissuitableforrepairmortarsand concreteswithpolymerbinders(PC)andrepairgrouts,mortarsandconcreteswithhydraulicbinders(CC)and polymercementbinders(PCC). 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativeref

20、erencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapp

21、lies(includingamendments). EN1961, MethodsoftestingcementPart1:Determinationofstrength. EN15041, ProductsandsystemsfortheprotectionandrepairofconcretestructuresDefinitions,requirements, qualitycontrolandevaluationofconformityPart1:Definitions. prEN15043, Productsandsystemsfortheprotectionandrepairof

22、concretestructuresDefinition,requirements, qualitycontrol,evaluationofconformityPart3:Structuralandnonstructuralrepair . EN12190, ProductsandsystemsfortheprotectionandrepairofconcretestructuresTestMethods Determinationofcompressivestrengthofrepairmortar. EN123901, TestingofhardenedconcretePart1:Shap

23、e,dimensionsandotherrequirementsforspecimensand moulds. EN123903, TestingofhardenedconcretePart3:Compressivestrengthoftestspecimens. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionscontainedinEN15041andprEN15043 apply,supplementedbythefollowing. 3.1 creepload (P 1 )

24、25%ofthecompressivestrengthoftherepairproductorsystemundertest,measuredinaccordancewith EN12190 3.2 compressivestress theforceperunitareaoftheoriginalcrosssectionofatestspecimenundertheapplicationofacompressiveload 3.3 compressivestrain thedeformationproducedbyacompressivestressexpressedasthechangep

25、erunitoftheoriginaldimensionof thetestspecimen 3.4 elasticcompressivestrain thecompressivestrainmeasuredimmediatelyfollowingtheapplicationofaloaduptotheelasticlimit(see Figure1) 3.5 shrinkagestrain thestrainduetoshrinkagemeasuredatthecontrolspecimen Page4 EN13584:2003:48531NE3002(E) 5 3.6 creepstrai

26、n thetimedependentamountofcompressivestrainabovetheelasticcompressivestrainmeasuredunderthe applicationofaconstantload(seeFigure1) 3.7 creepcoefficient theratioofcreepstraintoelasticcompressivestrain 3.8 elasticrecoverystrain theamountofcompressivestrainlostbyatestspecimenmeasuredimmediatelyfollowin

27、gunloadingtozerostress (seeFigure1) 3.9 creeprecoverystrain thetimedependentamountofcompressivestrainlostbyatestspecimenfollowingunloadingtozerostressafter theelasticrecovery(seeFigure1) 3.10 creeprecoverycoefficient theratioofcreeprecoverystraintoelasticrecoverystrain 4Principle Inthetestforcreepin

28、compression,aprismof4:1aspectratioissubjectedtoaconstantcompressiveloadandthe changeincompressivestrainwithtimeismeasuredduringthecreepphase.Afterunloadingthechangeofstrain withtimeismeasuredduringthecreeprecoveryphase.Theeffectofsuperimposedshrinkageistakeninto considerationinthecalculationofcreeps

29、train,elasticcompressivestrainetc. 5Apparatus 5.1 Compressivecreeprig: comprisingasupportframeandflatjackarrangementcapableofmaintainingthe creepload(see 3.1)alongthelongitudinalaxisofthecompressivecreeptestspecimens(see 5.5)foratleast 26weeksandbecapableofapplyingaloadatarateofbetween200N/sand1000N

30、/s.Theverticalpillars connectingtheplatensoftherig(see5.2)shallhaveastiffness(axialload/axialdeflection)ofnotlessthan 250kN/mm.Theyincorporateameansofadjustmenttoprovideaparallelismtolerancebetweentheupperand lowerplatenof0,06mm. NOTE Asuitablehydrauliccompressivecreeprigcapableoftestingtwotestspeci

31、menssimultaneouslyisillustratedin Figure2 .Theincorporationofagas/oilaccumulatorinthehydraulicsystemservestoextendthetimebetweenoccasionswhen itwillbenecessarytopumpoilinordertomaintaintheconstantvaluesforthedurationofthetest.Thecompressiveloadan d hencethecompressivestressappliedtothetestspecimensc

32、anthenbemonitoredbyaloadcellconformingtoISO376 insertedbetweentheuppertestspecimensandtheupperplatenoftherig. 5.2 Loadplatens incontactwiththespecimens(see 5.5)shallhaveastiffness(axialload/centraldeflection)of notlessthan2500kN/mmtoavoidexcessivedeformationduringloadings.Theflatnesstoleranceforthea

33、reaof theplatenincontactwiththeloadcellshallconformtoEN123901 . 5.3 Spacingblocks usedbetweenthetestspecimenandtheflatjack(see 5.1)toreducethetestspaceandto compensateforanybowdevelopedinthefacesoftheflatjackwhenunderpressure.Thespacingblocksareeither circularorsquareinsection,toenablethetestspecime

34、nstobecorrectlycentredandsupportthemoverthewhole areaoftheirends.Thepropertyofthematerial,thesurfaceflatnessandthesurfacetextureofthecontactfacesof allspacingblocksshallconformtoEN123901 . 5.4 Sphericalseating isincorporatedbetweentheloadcell(see 5.1)andthetopendpieceofthecompressive creeptestspecim

35、en(see 5.5)topreventeccentricloading. 5.5 Moulds shallbeofmetalandsuitableforthecastingofthecompressivecreeptestspecimensintheformof prisms40mmx40mmx160mmwithinthetolerancesfordimensionsandshapeofEN123901. Page5 EN13584:2003:48531NE3002(E) 6 5.6 Straingauges, withagaugelengthof100mmandamaximumsensit

36、ivityof20 m m/m.Thestraingauges shallbeconnectedtoequipmentcapableofprovidingreadingsofthestrainatanytime.Theyshallbecalibratedby amethodtraceabletoanationalorinternationalstandardoflengthmeasurement.Theerrorshallnotexceed2% oftheactualstrain. 5.7 Standardlaboratoryclimate ,inaccordancewithannexA. 5

37、.8 Mixer ofthestandardtypespecifiedforproducingcementmortarsinEN1961or forcedactionpanmixer formixingtheconstituentsoftherepairmortarorconcrete. 6Preparation 6.1General Thefollowingprocedureshallbeusedtoprepareaminimumofthreespecimensforthetest,conformingto EN123901. 6.2 Castingoftestspecimens Theco

38、mponentsoftheproductundertestshallbemaintainedatthestandardlaboratoryclimate(see 5.7)forat least24hoursbeforemixing.Therepairproductorsystemshallbemixedinaccordancewiththemanufacturers recommendationsandthencompactedinthemouldstoformthecompressivecreeptestspecimens.The specimensshallthenbecuredinacc

39、ordancewithannexAuntilreadyfortesting. NOTE Forpreference,asupplierscompletepackofpreweightedcomponentsshouldbeused,butwherethisisnot practicabletheproportioningofthecomponentsshouldbestrictlyinaccordancewiththemanufacturersrecommended procedure. 6.3Conditioning Oncompletionofcuring,thespecimensshal

40、lbeconditionedforatleast24hoursinthestandardlaboratoryclimate (see 5.7).Forthetotalperiodoftest,thetestspecimensandallpartsofthetestequipmentinclosecontactwith them,ifnottheentiretestequipment(see 5.1to 5.4),shallbemaintainedunderthestandardlaboratoryconditions (see 5.7). 6.4Measurement Measurethehe

41、ight,widthandlengthofeachspecimenatthemidpointofeachsidetoanaccuracyof0,1mm andcalculateitscrosssectionalareafromtheheightandwidth 7Procedure Thefollowingprocedureshallbeusedformeasuringthecompressivecreepofeachspecimen. 7.1 Preparationfortesting Fittwostraingauges(see 5.6)tooppositecastsidesofthete

42、standcontrolspecimens,theirgaugelengthsbeing centrallylocatedoverthelongitudinalaxisofthespecimens. Wipecleanthebearingsurfacesoftheloadplatens(see 5.2)andspacingblocks(see 5.3)ofthecreeprig,andthe endsofthetestspecimens.Placethetestspecimensinthetestrigsuchthattheloadisappliedthroughthe longitudina

43、laxisandcentrethewholeassemblycarefully. Donotusepackingatanyoftheinterfacesbetweenthetestspecimens,spacingblocks,loadcellorplatens. Page6 EN13584:2003:48531NE3002(E) 7 7.2 Preloadingcycle Applytheloadsmoothlywithintherequiredrate(see 5.1)untilthespecifiedcreeploadP 1 (see 3.1)isindicatedfor theproductundertest. Smoothlyreducetheloadto0,1P 1 andreapplythecreeploadP 1 atleasttwicetoensurethespecimensand platensarewellseatedandthatthestraingaugesareindicatingconsistent