BS EN 13872-2004 Method of test for smoothing and or levelling compounds - Determination of dimensional change《平整和 或找平复合物的试验方法 尺寸变化的测定》.pdf

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1、BRITISH STANDARD BS EN 13872:2004 Incorporating Corrigendum No. 1 Method of test for smoothing and/or levelling compounds Determination of dimensional change The European Standard EN 13872:2004 has the status of a British Standard ICS 91.100.99 BS EN 13872:2004 This British Standard was published un

2、der the authority of the Standards Policy and Strategy Committee on 19 February 2004 BSI 25 May 2004 ISBN 0 580 43452 4 National foreword This British Standard is the official English language version of EN 13872:2004. CEN letter of correction May 2004 made a correction to the title. The UK particip

3、ation in its preparation was entrusted to Technical Committee PRI/52, Adhesives, 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 European public

4、ations 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 the nece

5、ssary 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 the inte

6、rpretation, 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 14, an inside back cover and a

7、back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments 15192 Corrigendum No. 1 25 May 2004 Implementation of CEN letter of correction May 2004EUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENOR

8、M EN13872 February2004 ICS91.100.99 Englishversion Methodsoftestforhydraulicsettingfloorsmoothingand/or levellingcompoundsDeterminationofdimensionalchange Mthodedessaipourlesmortiersdelissageet/ou dgalisationprisehydrauliqueDterminationdes variationsdesdimensions PrfverfahrenfrhydraulischerhrtendeBo

9、den SpachtelmassenBestimmungderManderung ThisEuropeanStandardwasapprovedbyCENon10December2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalrefe

10、rencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralS

11、ecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain

12、,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13872:2004:EEN13872:2

13、004(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Principle4 5 Safety 4 6 Apparatusandmaterial .5 7 Standardtestconditions .12 8 Procedure .12 8.1 Preparationofthemoulds . .12 8.2 Testprocedure .12 8.3 Dimensionalchangeafterwaterimmersion .13 9 Evaluation

14、andexpressionofresults 13 10 Testreport 14EN13872:2004(E) 3 Foreword Thisdocument(EN13872:2004)hasbeenpreparedbyTechnicalCommitteeCEN/TC193,“Adhesives“,the secretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorseme

15、nt,atthelatestbyAugust2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby August2004. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Cyprus,CzechRepublic,Denmark, Estonia,Finl

16、and,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta, Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EN13872:2004(E) 4 1Scope ThisEuropeanStandardspecifiesthemeasurementofdimensionalchangeofahydraulicsettingsmoothing

17、and/or levellingcompoundwhichisreferredtointhefollowingas“smoothingand/orlevellingcompound“. 2 Normativereferences ThisEuropeanStandardincorporates,bydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedher

18、eafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN1961, MethodsoftestingcementPart1:Determination

19、ofstrength. EN1937:1999,Testmethodforhydraulicsettingfloorsmoothingand/orlevellingcompoundsStandardmixing procedures ISO554, Standardatmospheresforconditioningand/ortestingSpecifications. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN1937:1999andthefollowi

20、ng apply. 3.1 dimensionalchange differenceinlengthofatestspecimenofasmoothingand/orlevellingcompoundafterspecifiedtimeandconditions. 3.2 shrinkage negativedimensionalchange. 3.3 expansion positivedimensionalchange. 4Principle Thistestmethodiscarriedouttoassesstheshrinkageandexpansionpropertiesofsmoo

21、thingandlevelling compoundsbymeasuringthedimensionalchangesinlengthoftestspecimens10mmx40mmx160mmat predeterminedstoragetimesandconditions. 5Safety Theusersofthisstandardshallbefamiliarwiththenormallaboratorypractice. Thisstandarddoesnotpurporttoaddressallsafetyproblems,ifany,associatedwithitsuse. I

22、tistheresponsibilityoftheusertoestablishsafetyandhealthpracticesandtoensurecompliancewithany Europeanandnationalregulatoryconditions.EN13872:2004(E) 5 6 Apparatusandmaterial 6.1 Measuringapparatusforthedeterminationofdimensionalchange,capableofmeasuringthetestspecimen withanaccuracyof0,005mm. Anexam

23、pleofameasuringdeviceisshowninFigure1withasuitablecupandpegshowninFigure2andFigures 5to8respectively.AnalternativedeviceisshowninFigure3. Key 1lockingdevice 2holder Figure1ExampleofmeasuringapparatusforatestspecimenintheverticalpositionEN13872:2004(E) 6 Dimensionsinmillimetres Key 1hardenedandpolish

24、ed Figure2ExampleoflowermeasurementcupformeasuringapparatusshowninFigure1EN13872:2004(E) 7 Dimensionsinmillimetres SectionAB Adjustmentrange164to170 Key 1horizontalline 2measurementaxis 3bearingblock1 4bearingblock2 Figure3Exampleofmeasuringapparatusforatestspecimeninthehorizontalposition 6.2 Moulds

25、providedwithinternaldimensions(100,5)mmwidth,(400,5)mmdepthand(1601,0)mm lengthtoenablethreetestspecimenstobepreparedsimultaneously; eitherEN13872:2004(E) 8 a) mouldswithhorizontalcompartments10mmx40mmx160mm(seeEN1961inprinciple) or b) mouldsinaccordancewithEN1961withhorizontalcompartments40mmx40mmx

26、160mmandwidth reducingplasticormetalinserts, twoforeachmould. IfshapeAorBmeasuringpegsaretobeused,aholeshallbeprovidedcentrallyinbothendsofthemould(see Figure4). Dimensionsinmillimetres Key 1widthreducinginserts Figure4Exampleofmouldenddetail;endfaceofthespecimenmouldwithdetailsoftheholefor receivin

27、gashapeApeg 6.3 Joltingapparatusfortestingamixtureofasmoothingand/orlevellingcompoundwithpoorflow,ajolting apparatusinaccordancewithEN1961maybeused. 6.4 Measuringpegs eitherembeddedinthetestspecimensorbondedsecurelyontheendsafterdemoulding. Theyshallprovidethecontactbetweenthetestspecimenandthemeasu

28、ringdevice. Theembeddedpegsshallbedesignedtoensurethattheyremainsecurewhilstbeingremovedfromthemould. Thebondedpegsshallusearapidsettingstructuraladhesivealsocapableofwithstandingthe28daywater immersiontestifrequired. ExamplesofsuitablemeasuringpegsareshowninFigures5to8.EN13872:2004(E) 9 Dimensionsi

29、nmillimetres Key 1Sphere 2Lateralnotch Figure5Exampleformeasuringpeg,shapeApegEN13872:2004(E) 10 Dimensionsinmillimeters Key 1Sphere 2Groundatside Figure6Exampleformeasuringpeg,shapeBpeg AlternativedesigntoshapeApeg Dimensionsinmillimetres Key 1Sphere Figure7Exampleformeasuringpeg,shapeCpeg Exampleo

30、fameasuringpegtobebondedontothetestspecimenEN13872:2004(E) 11 Dimensionsinmillimetres Key 1Sphere Figure8Exampleofmeasuringpeg,shapeDpeg AlternativedesigntoshapeCpeg 6.5 Referencespecimen madeofsteelwithalowcoefficientofthermalexpansionandwhichcanexpandfreely alongitslongitudinalaxis.Forhandlingitsh

31、allbeprotectedwithwoodorotherthermalinsulatingmaterial.Atypical designtomatchtheshapeAmeasuringpegsisshowninFigure9.EN13872:2004(E) 12 Dimensionsinmillimetres Key 1Lockingscrew Figure9TypicalreferencespecimentomatchshapeAmeasuringpegs 6.6 Coverplateofglass, plasticorotherimpermeablematerialofsuitabl

32、edimensionstocoverthemould. 6.7 Smoothingand/orlevellingcompound mixtureinaccordancewithEN1937. 7Standard test conditions Thestandardtestatmosphereshallbe(232) Cand(505)%relativehumidityinaccordancewithISO554. 8Procedure 8.1 Preparationofthemoulds Inassemblingthecleanedmouldreadyforuse,asuitableseal

33、ingmaterial,suchasbutylrubberputty,shallbe usedtocoatthejointsofthemould.Athinfilmofmouldoilshallbeappliedtotheinternalfacesofthemould. Preconditionthemouldsforatleast24hinthestandardtestatmosphere. Aminimumofthreetestspecimensisrequired.Thecorrespondingnumberofwidthreducinginserts,pegs,and coversas

34、appropriateshallbeprepared. 8.2 Testprocedure Measurementsarecarriedoutusingthemeasuringdevicesasdescribedin6.1.Placethemouldhorizontallyand,if required,insertthepegsaccordingto6.2.EN13872:2004(E) 13 Fillthemixtureintothemouldsimmediatelyaftermixingwithoutanyfurthertreatment.Ifcompactingisnecessary,

35、e.g. ifthemixturedoesnotflowsufficiently,usethejoltingapparatusinaccordancewithEN1961.Removethesurplusof themixturewithametalfloatinordertoobtaincompletelyfilledmouldswithanevensurface.Coverthefilledmoulds withacoverplateinordertoavoidpreliminarydryingofthespecimenssurface.Storethefilledmouldsinthe

36、standardtestconditions. Removethespecimensfromthemoulds24haftermixing.Iftheshape“B“or“D“pegsaretobeusedimmediately, bondthemcentrallyontheendsofthetestspecimen.Insertthereferencespecimeninthemeasuringdeviceusing thespringforceofthedialgaugeandwithoutadditionalpressuretolocatethespecimen.Setthegauget

37、ozero. Insertthespecimeninthemeasuringdevice,rotateandnotethelength l 1 .Reinsertthereferencespecimen. Ifthevaluesduringrotationorbetweenreferencemeasurementsexceeds0,01mmdiscardtheresult,checkthe cleanliness,fitandalignmentofthespecimenintheapparatusandrepeatthetest. Recordtheinitiallengthofl 1 oft

38、hethreespecimenswithin30minfollowingremovalfromthemould.Anytime deviationstotheprocedurearetobenotedinthereport. Storethespecimensatleast20mmapartonthearea10mmx160mminthestandardtestconditionsontwonon corrodibleroundortriangularrodstoenablefreeaircirculation.Furthermeasurementsshallbecarriedoutafter

39、3,7, 14and28daysaftermixing(storageA). 8.3 Dimensionalchangeafterwaterimmersion Optionaltest:Followingthe28daysinthestandardtestatmosphere,thetestspecimensmaybeimmersedinclean waterforafurther28daysandmeasuredwhilstwet(storageB). Theinitiallengthisthelengthimmediatelypriortoimmersion,i.e.the28daysme

40、asurementin8.2. NOTETheresultsofthistestshouldnotbeusedtoimplywaterresistancebecausethisisdependantonseveralotherfactors. Withtheresultsnoteanysampleswhichcurl,twistorshowothersignsofdistortion. 9 Evaluationandexpressionofresults Dimensionalchangeofatestspecimenshallbestatedasthenegative(shrinkage)o

41、rpositive(expansion) differenceinlengthafterstorageinrelationtothereferencelengthinpercentimmediatelyafterdemoulding,using theequationsfor D l A and D l B : where: l t isthelengthatstoragetime tinmillimetres 100 x 160 l l = l 1 t A D 100 x 160 l l = l 28 t B D EN13872:2004(E) 14 l 1 isthelengthatone

42、dayinmillimetres l 28 isthelengthinmillimetresatdaytwentyeight D l A and D l B arethedimensionalchangesofthetestspecimeninpercentforstorageAandstorageB respectively. Thetestresultsareexpressedasthearithmeticmeanofthethreeindividualvaluesandgiveninpercentrounded tothenearest0,01%. 10 Testreport Thete

43、streportshallinclude: a) referencetothisEuropeanStandard; b) designationofthesmoothingand/orlevellingcompoundundertest,thedateofmanufactureand/orbatch numberifknown; c) methodofmixingthesmoothingand/orlevellingcompoundandthetotaltimeinminutesinaccordancewith EN1937; d) dimensionalchangevaluesinaccordancewithclause9; e) reportofanyindicationsofcurl,twistordistortion; f) anyfactorsthatmayhaveaffectedthetes

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