1、BRITISH STANDARD BS EN 13893:2002 Resilient, laminate and textile floor coverings Measurement of dynamic coefficient of friction on dry floor surfaces The European Standard EN 13893:2002 has the status of a British Standard ICS 59.080.60; 97.150 BS EN 13893:2002 This British Standard, having been pr
2、epared under the direction of the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 28 November 2002 BSI 28 November 2002 ISBN 0 580 40862 0 National foreword This British Standard is the official English
3、 language version of EN 13893:2002. The UK participation in its preparation was entrusted to Technical Committee PRI/60, Resilient floor coverings, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The
4、 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 Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standard
5、s 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 Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the res
6、ponsible international/European committee 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 c
7、over, the EN title page, pages 2 to 10, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13893 November2002
8、ICS59.080.60;97.150 Englishversion Resilient,laminateandtextilefloorcoveringsMeasurementof dynamiccoefficientoffrictionondryfloorsurfaces Revtementsdesolrsilients,stratifisettextiles Dterminationducoefficientdefrottementdynamiquesur lasurfacedessolssecs Elastische,laminierteundtextileBodenbelgeMessu
9、ng desGleitreibungskoeffizientenvontrockenen Bodenbelagsoberflchen ThisEuropeanStandardwasapprovedbyCENon26August2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelis
10、tsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguagean
11、dnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCO
12、MMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13893:2002EEN13893:2002(E) 2 Foreword Thisdocument(EN13893:2002)hasb
13、eenpreparedbyTechnicalCommitteeCEN/TC134“Resilient,textileand laminatefloorcoverings“,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2003,andconflictingnationalstandardsshallbewithdra
14、wnatthelatestby May2003. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation. InthisEuropeanStandardtheannexAisnormative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplement
15、thisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN13893:2002(E) 3 Introduction Dynamicfrictiontestingisameansofassessingtheslipperinessoffloors.Ma
16、nytestdeviceshavebeen constructedbutthesegivedifferentresultssincethedesignandconstructionmethodsdifferandbecausedifferent testparametersarechosen. CEN/TC134thereforedecidednottostandardizeaparticulardevicefortestingslipperinesspropertiesoffloor coverings.Theaimistofixandstandardizetheprincipleoftes
17、tingandspecifytheparameterstobefollowedwhen designingatestdeviceandwhentestingwithit.EN13893:2002(E) 4 1Scope ThisEuropeanStandardspecifiesthemethodforthemeasurementofdynamiccoefficientoffriction()onsurfaces ofresilient,laminateandtextilefloorcoverings,usuallywalkedonwithshoes. Relieffloorcoveringsw
18、ithadisplacementvolume 4cm/dmarecoveredbythisstandard. Themeasurementsaremadeinalaboratoryonexfactorydryfloorcoveringsurfacesonly.Themethoddescribed isnotsuitablefortestingonwetorcontaminatedsurfaces. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromother
19、publications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatestediti
20、onofthe publicationreferredtoapplies(includingamendments). EN522:1998,AdhesivesforleatherandfootwearmaterialsBondstrengthMinimumrequirementsand adhesiveclassification. EN12466:1998, ResilientfloorcoveringsVocabulary. ENISO868,PlasticsandeboniteDeterminationofindentationhardnessbymeansofadurometer(Sh
21、ore hardness)(ISO868:1985). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsofEN12466:1998togetherwiththe followingapply. 3.1 dynamiccoefficientoffriction, quotientofthehorizontalfrictionalforceandtheverticalloadduringmotionataconstantspeedbetw eentheslider andthehor
22、izontalfloorcovering 3.2 displacementvolume openvolumeofarelieffloorcoveringbeneaththewearsurface NOTE ThemethodfordeterminationofthispropertyisgiveninannexA. 4Principle Slidersmadefromthedefinedmaterialandhavingadefiniteshapeareloadedtoimposeaspecifiedforceonthe floorcovering.Theloadedslidersarepul
23、ledparalleltothesurfaceofthefloorcoveringataconstantspeed.The horizontalforceappliedtopulltheslidersisrecordedoverthelengthofatrace.Thehorizontalforceisdividedby theverticalforcetoobtainthedynamiccoefficientoffriction.EN13893:2002(E) 5 5 Apparatusandmaterials 5.1Apparatus 5.1.1 Apullingdevice, ablet
24、opullaloadedsliderassemblyataconstantspeed,toatoleranceof0,01m/s, withintherangeof0,20m/sto0,30m/salongalengthwhichallowsastablemeasurementreadingforatleast 0,30m. 5.1.2 Ameasuringdevice, capableofmeasuringthehorizontalforcewithanerrorlimitof1%. 5.1.3 Asliderassembly, withtwoleatherslidersandoneshoe
25、rubbersliderofshapeanddimensionsspecified inFigure1,arrangedontheassemblyasshowninFigure2.Thethreeslidersshallbeofsimilarthicknesswithin therange2mmto6mm,toensurethattheyareallcapableofbeingincontactwithaflatsurface,andshallbe firmlyfixedtotheassemblybymeansofacontactadhesive . Thesliderassemblyshal
26、lbeloadedwithamasssuch thatthetotalmass oftheloadedsliderassemblyis(10,0 0,1)kg. Dimensionsinmillimetres L 1 L 2 L 2 L 3 L 3 a D Key D Directionofmovement L 1 Length (37,5 2,5)mm L 2 Width (10 0,5)mm L 3 Uniformthickness withintherange2mmto6mm a Chamferangle (35 5) Figure1SlidershapeanddimensionsEN1
27、3893:2002(E) 6 2 1 1 L 4 L 5 L 3 L 1 L 2 L 6 L 7 D Key 1 Leathersliders 2 Shoerubberslider D Directionofmovement L3 (46 2)mm L4 (130 3)mm L1 minus L2 (0 0,3)mm L4 minus L5 (0 0,3)mm L6 minus L7 (0 0,3)mm Figure2Typicalarrangementofslidersonsliderassembly(bottomview) NOTE Theuseofatemplateisrecommend
28、edtoensurethesliderdimensionsfallwithinthestatedtolerances. 5.2Sliders 5.2.1 Leatherslider, consistingofpittannedleatherofdensity(1,0 0,1)g/cmandShoreDhardness60 10 accordingtoENISO868. 5.2.2 Shoerubberslider ,consistingofreferencetestmaterialSBR1basedonstyrenebutadienerubberof ShoreAhardness95,assp
29、ecifiedinEN522:1998. 5.3Balance Thebalanceshallbecapableofmeasuringthemassoftheloadedsliderassemblytothenearest10g. 5.4Calibrated weights Threecalibratedweightswithdifferentmasseswithintherange2kgto7kg,(e.g.2kg,4kgand7kg)for calibratingthetestdevice. 5.5 Abrasivepaper 60gradeand320gradeabrasivepaper
30、sfittedtoaplainrigidsurfacewithawidthgreaterthanthatoftheslider assembly.EN13893:2002(E) 7 5.6 Cleancottonclothand/orbrush 6Calibration 6.1 Calibrationbyweights Measureandrecordthemassoftheloadedsliderassemblyusingthebalance( 5.3). Placethetestdeviceinaverticalpositiontoallowittopullacalibratedweigh
31、t( 5.4)againstthemeasuringdevice (5.1.2)withoutfriction,paralleltothebottomofthedevice. Takethreemeasurementswitheachofthethreecalibratedweights.Recordthethreeaverageresults(calculated andindicatedbythetestdevice). Compareeachofthesethreeaverageresultswiththetheoreticalvalue.i.e.: Theaveragedeviatio
32、nfromthetheoreticalvalueshallbe 0,01. 6.2 Othercalibrationmethods Formachinesofspecialconstructionthatcannotbecalibratedbyweights,usethecalibrationprocedure recommendedbythemanufacturer. 7 Samplingandpreparationoftestpieces Taketestpieces,frombothproduction(machine)andcrossmachinedirections,ofdimens
33、ionsapproximately 100cmby50cmfromasampleofthefloorcovering.Ifknown,markthemachinedirectiononthetestpiece. Assemblepanelsandtilessoastoenablebothmachineandcrossmachinedirectionstobemeasured. Conditionthetestpiecesforatleast24hatthestandardatmosphere(23 2)Cand(50 5)%relativehumidity oralternativelyat(
34、20 2)Cand(65 5)%relativehumidity. Cleanthesurfaceoflaminateandresilientfloorcoveringtestpieceswiththecleandrycottonclothandusethe brushtocleanthesurfaceoftextilefloorcoverings.Donotuseanycleaningagent. RelieffloorcoveringswithinthescopeofCEN/TC134mayberegardedashavingadisplacementvolume of 4cm/dm.Fo
35、rverificationofthis,determinethedisplacementvolumeasspecifiedinannexA. 8 Preparationofsliders Planegrindthesurfaceofnewsliderswith60gradeabrasivepaper( 5.5)toensureuniformthicknessandthen cleanandplanegrindthesurfaceoftheslidersbeforetestingusinga320gradeabrasivepaper.Duringtheplane grindingtheabras
36、ivepapershallbeincontactwithallthreesliders.Theabrasivestrokesshallbeuniformlyto andfrominthelengthdirectionofthesliders,withthefinaltwostrokesagainstthedirectionofslidermotion. Removeanydustfromthesliders.Repeatthispreparationforeverynewsetof5measurements. sliders including load total known weight
37、calibrated of massEN13893:2002(E) 8 9 Procedure Conditionthetestdeviceinthestandardatmosphereforatleast24h. Takethemeasurementsinthemachinedirectionandthecrossmachinedirection.Ifthisisnotknown,take measurementsinthedirectionofthelowestdynamicfriction,verifiedbyasufficientnumberofpreliminarytests. Ta
38、kefivemeasurementsusingthetestdevice( 5.1).Foreachmeasurementpulltheslideralonganewtrace. Thefirsttwomeasurementscanbenonrepresentativeandtheyshallbeignored.Recordthehorizontalforces over0,30mforthe3 rd ,4 th and5 th measurementsforeachdirection. 10 Calculationandexpressionofresults Recordthevaluefo
39、rtraces3to5tothenearest0,01accordingtothefollowingequation: M F = m where isthe dynamiccoefficientoffriction; F istheaveragehorizontalforce(inNewton); M isthetotalverticalloadonthesliders(inNewton). Calculatethemeanofthethreemeasurementsineachdirectionandexpresstheresultasthelowerofthetwo meanvalues
40、 NOTE Thevaluecanbecalculateddirectlybythedeviceusingabuiltincomputer. 11Testreport Thetestreportshallcontainthefollowinginformation: a) referencetothisstandardi.e.EN13893:2002; b) completeidentificationoftheproducttested,includingtype,source,colour,andmanufacturersreference numbers; c) dateofthete
41、st; d) methodofsampling; e) temperatureandrelativehumidityforconditioningandduringthetests; f) thethreeindividualvaluesandtheaveragevalue; g) anydeviationfromthisstandardwhichcanhaveaffectedtheresults.EN13893:2002(E) 9 AnnexA (normative) Determinationofdisplacementvolumeofarelieffloorcovering A.1Pri
42、nciple Thereliefsurfaceofafloorcoveringisfilledupwithasuitablematerial(usuallyinpasteform)withaknowndensity totheupperlevelofthewearsurface.Thevolumeoftheprofileisdeterminedbydifferenceweighingwithoutand withthematerial. A.2 Samplingandpreparationoftestpieces Takefivetestpiecesapproximately100mmby10
43、0mmfromthesample.Takecarethattheprofileofthetest piecesisrepresentativeforthefloorcovering. A.3 Materialandapparatus A.3.1 Asuitablefillingmaterial(paste), tofillthedisplacementvolumeofthefloorcovering. A.3.2Balance,capableofmeasuringtothenearest0,05g A.3.3Plate, withasmoothsurface A.3.4Tape, tosealtheedgesofthetestpiece A.3.5 Anadjustableframe A.4 Determinationofthedensityofth
