1、BRITISH STANDARD BS EN 13687-2:2002 Products and systems for the protection and repair of concrete structures Test methods Determination of thermal compatibility Part 2: Thunder-shower cycling (thermal shock) The European Standard EN 13687-2:2002 has the status of a British Standard ICS 91.080.40 BS
2、 EN 13687-2:2002 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 19 September 2002 BSI 19 September 2002 ISBN 0 580 40423 4
3、National foreword This British Standard is the official English language version of EN 13687-2:2002. 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, which has the responsibility to: A
4、 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 section entitled “International
5、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 responsible for its correct application. Compliance with a British Sta
6、ndard 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 interests informed; monitor related international and Europ
7、ean 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 cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendm
8、ents issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN136872 February2002 ICS91.080.40 Englishversion Productsandsystemsfortheprotectionandrepairofconcrete structuresTestmethodsDeterminationofthermal compatibilityPart2:Thundershowercycling(thermalshock)
9、 Produitsetsystmespourlaprotectionetlarparationdes structuresenbtonMthodesdessaiDterminationde lacompatibilitthermiquePartie2:Cyclesdaverses dorage(chocthermique) ProdukteundSystemefrdenSchutzunddie InstandsetzungvonBetontragwerkenPrfverfahren BestimmungderTemperaturwechselvertrglichkeitTeil2: Gewit
10、terregenbeanspruchung(Temperaturschock) ThisEuropeanStandardwasapprovedbyCENon23December2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalrefer
11、encesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementC
12、entrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION
13、 COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN136872:2002EEN136872:2002(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Te
14、rmsanddefinitions. .4 4 Principle4 5 Apparatus .4 6 Preparationoftestspecimens. .5 7 Procedure .5 8 Evaluationofresults. .6 9 Testreport . .7 AnnexA (normative) Summaryoftemperaturesandhumiditiesforthecuring,conditioningand testingofrepairproductsandsystems . .8EN136872:2002(E) 3 Foreword Thisdocume
15、ntEN136872:2002hasbeenpreparedbyTechnicalCommitteeCEN/TC104“Concreteandrelated products“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyAugust2002,andconflictingnationalstandardsshallbew
16、ithdrawnatthelatestby December2002. Ithasbeenpreparedbysubcommittee8“Productsandsystemsfortheprotectionandrepairofconcrete structures“,thesecretariatofwhichisheldbyAFNOR. ThisPartofthisEuropeanStandarddescribesamethodoftestfordeterminingthethermalcompatibilityofgrouts, mortarsandconcretesandsurfacep
17、rotectionsystemsappliedtoastandardconcrete,byshockdousingincold waterat12Cfollowedbyheatingto60C.Itisoneofaseriesofinterrelatedpartsdealingwiththethermal compatibilityofrepairproductsandsystems.Theotherpartsofthisstandardare: EN136871,ProductsandsystemsfortheprotectionandrepairofconcretestructuresTe
18、stmethods DeterminationofthermalcompatibilityPart1:Freezethawcyclingwithdeicingsaltimmersion . EN136873,ProductsandsystemsfortheprotectionandrepairofconcretestructuresTestmethods DeterminationofthermalcompatibilityPart3:Thermalcyclingwithoutdeicingsaltimpact. EN136874,Productsandsystemsfortheprotect
19、ionandrepairofconcretestructuresTestmethods DeterminationofthermalcompatibilityPart4:Drythermalcycling . EN136875,ProductsandsystemsfortheprotectionandrepairofconcretestructuresTestmethods DeterminationofthermalcompatibilityPart5:Resistancetotemperatureshock. AnnexAisnormative. AccordingtotheCEN/CEN
20、ELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdo
21、m.EN136872:2002(E) 4 1Scope Thisstandardisthesecondinaseriesoffivepartstoassessthethermalcompatibilityofrepairproductsand systems,comprisinggrouts,mortarsandconcretesandsurfaceprotectionsystems,usedfortherepairand protectionofconcretestructures.Themethodmeasurestheeffectofshockcooling(thundershower)
22、froman elevatedtemperature.ThemethodissuitableforrepairproductsandsystemsbasedonCC,PCCandPCbinders andforsurfaceprotectionsystems. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesin
23、thetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN1961, Met
24、hodsoftestingcementPart1:Determinationofstrength. EN15041, ProductsandsystemsfortheprotectionandrepairofconcretestructuresDefinitions,requirements, qualitycontrolandevaluationofconformityPart1:Definitions. prEN15042, ProductsandsystemsfortheprotectionandrepairofconcretestructuresDefinitions,requirem
25、ents, qualitycontrolandevaluationofconformityPart2:Surfaceprotectionsystems. prEN15043, ProductsandsystemsfortheprotectionandrepairofconcretestructuresDefinitions,requirements, qualitycontrolandevaluationofconformityPart3:Structuralandnonstructuralrepair. EN1766, Productsandsystemsfortheprotectionan
26、drepairofconcretestructuresTestmethodsReference concretesfortesting. EN1542, ProductsandsystemsfortheprotectionandrepairofconcretestructuresTestmethodsMeasurement ofbondstrengthbypulloff. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionscontainedinEN15041apply. 4Princ
27、iple Alayeroftherepairproductorsystemorsurfaceprotectionsystemisappliedtoareferenceconcretetest specimenpreparedaccordingtoEN1766.Aftercuring,thetestspecimenissubjectedtothermalshockcycling between60Cand12C.Followingthetemperaturecycling,visibledefectsarerecordedandtheadhesionofthe repairproductorsy
28、stemtotheconcretesubstrateisdeterminedbypullofftest. 5Apparatus 5.1 Laboratory maintainedatthestandardlaboratoryclimateof(212) Cand(6010)%RH(seeannexA). 5.2 Mixer, formixingtheconstituentsofthemortar.Unlessstatedotherwisebythemanufacturer,useaforced actionpanmixer. 5.3 Concretetestspecimens, ofdimen
29、sionsof300mmx300mmx100mmtoEN1766andtypeasspecified inprEN15042orprEN15043. 5.4 Coredrillingmachine withadiamondtool,internaldiameter50mmasspecifiedinEN1542.EN136872:2002(E) 5 5.5 Pulloffequipment, formeasuringthepulloffstrengthaccordingtoEN1542. 5.6 Equipmentforthundershowersimulation ,comprisingano
30、pentestcabinetwithradiantsurfaceheater (e.g.quartzbeam)andwatersprinklersystem,suchthatthetemperatureonthespecimensurfacecanbeelevated to(60+5) Cwithin(45 15)min,verifiedbyathermocoupleplacedonthesurface. 5.7 Watersupply forthethundershowercabinet(see5.6)at(12 3) C,capableofsupplyingataminimum rateo
31、f10l/minperm 2 ofspecimensurface. Thetemperaturedifferencebetweentheradiantheattemperatureandthedousingwatershallbe(485)C. 6 Preparationoftestspecimens Threeconcretetestspecimens(see5.3)arerequiredforeachtest,withoneservingasareferencespecimen.Prior toapplicationoftherepairproductorsystemorsurfacepr
32、otectionsystem,allmaterialsshallbestoredinthe standardlaboratoryclimate(see5.1)foratleast24h.Therepairgrout,mortarorconcreteand/orthesurface protectionsystemshallbepreparedandappliedtotheconcretetestspecimensinaccordancewithmanufacturers instructionsatthestandardlaboratoryclimate(see5.1)orsuchaltern
33、ativeenvironmentsasmaybespecifiedfor theintendeduse. Afterapplicationofthematerialundertest,thesamplesshallbecuredinaccordancewiththerequirementsof annexA. 7Procedure Aftercompletingthepreparation,twoofthetestspecimensshallbetakenfortest.Aspecimenshallbepositioned inthethundershowercabinet(see5.6),w
34、iththetestsurfaceuppermostandpositionedwithaslightslopeofthe surface(approx.3degreestothehorizontal)sothatthewatercanflowoffrapidly.The6htestcycleshownin Figure1shallthenstart,comprisingthefollowingstages: storageunderradiantheatat(605)Cfor5hand45min. dousingwithwateratatemperatureof(123)Cfor15min.
35、Thetemperaturedifferencebetweentheradiantheattemperatureandthedousingwatershallbe(485)C.EN136872:2002(E) 6 Key 1 Temperature(degC) 2T i m e ( h ) Figure1Thundershowercycle Thethundershowercabinet(see5.6)shallbeequippedwithasufficientsourceofradiantheatsuchthatthe surfaceofthespecimenreachesthespecif
36、iedtemperature.Thedousingdeviceshallensureuniformsprinklingof waterontothesurfaceofthespecimens. ThecompletesixhourcycleshallberepeatedforthenumbercyclesspecifiedinprEN15042orprEN15043.The referencespecimenshallbestoredinthestandardlaboratoryclimate. 8 Evaluationofresults Aftereverytencycles,thespec
37、imensshallbevisuallyinspected: forscalingand/orcrackingifaPC,PCCorCCproductistested; forsurfacealterations(cracks,peeling,blistering,delamination,bubblingorothersurfacedefects)ifasurface protectionsystemistested. Cracks0,05mmandanyobservedsurfacealterationsshallbereported.Thefinalvisualinspectionsho
38、uldbe performedatleast16haftertheendofthecycling. Thepulloffstrengthoftherepairproductorsystemappliedtothereferencespecimenandthetwotestspecimens shallbedeterminedaccordingtoEN1542afterconditioningatthestandardclimateconditionsfornotlessthan sevendaysaftercompletionofcycling.EN136872:2002(E) 7 9 Tes
39、treport Thetestreportshallincludethefollowinginformation: a) areferencetothisEuropeanStandard,includingthenumber,titleanddateofissue; b) nameandaddressofthetestlaboratory; c) identificationnumberanddateofthetestreport; d) nameandaddressofthemanufacturerorsupplieroftheproduct(s); e) nameandidentifica
40、tionmarksorbatchnumber(s)oftheproduct(s); f) dateofsupplyoftheproduct(s); g) dateofpreparationofthetestspecimens; h) conditionsofstorageofpreparedspecimenspriortotest; i) dateoftestanddetailsoftestequipmentusedincludingthemake,typeandcapacityandcalibrationdetailsor identificationnumberoftheapparatus
41、; j) thetotalnumberofcyclescarriedout; k) theresults(singlevalues,meanvaluesandstandarddeviations)ofthepullofftestincludingindividualformsof fracture,andanyobservedsurfacealterationsafterremovalfromthetestcabinet; l) thetypeanddimensionoftheconcretetestspecimensaccordingtoEN1766; m) adescriptionofth
42、eproduct,systemorsurfaceprotectionsystemundertestandwhetheritisasingleormulti layersystem; n) precisiondata; o) dateoftestreportandsignature.EN136872:2002(E) 8 Annex A (normative) Summaryoftemperaturesandhumiditiesforthecuring,conditioningand testingofrepairproductsandsystems A.1Curing A.1.1 CC(grou
43、ts,mortarsandconcretes) PrepareasEN1961,coverinfilmfor24h; demouldafter24h; cureunderwaterat(212)Cfor27days. A.1.2 PCC(grouts,mortarsandconcretes) PrepareasEN196,coverinfilmfor24h; demouldafter24handwrapinfilmfor48h; unwrapandcurefor25daysinastandardlaboratoryclimateof(212)Cand(6010)%RH. A.1.3 PC(grouts,mortarsandconcretes)andsurface
