BS EN 12503-7 2001

BRITISHSTANDARDBSEN12503-7:2001Sportsmats—Part7:DeterminationofstaticstiffnessTheEuropeanStandardEN12503-7:2001hasthestatusofaBritishStandardICS97.220.30NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWLicensedCopy::FULLNAME,:DATE,UncontrolledCopy,(c)BSIBSEN12503-7:2001ThisBritishStandard,havingbeenpreparedunderthedirectionoftheConsumerProductsandServicesSectorCommittee,waspublishedundertheauthorityoftheStandardsCommitteeandcomesintoeffecton15June2001©BSI06-2001ISBN058037288XNationalforewordThisBritishStandardistheofficialEnglishlanguageversionofEN12503-7:2001.TogetherwithBSEN12503-1:2001,BSEN12503-2:2001,BSEN12503-3:2001,BSEN12503-4:2001,BSEN12503-5:2001andBSEN12503-6:2001,itsupersedesBS1892-2.10:1990whichwillbewithdrawnon15August2001.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeSW/14,Gymnasiumandsportsequipment,whichhastheresponsibilityto:Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Cross-referencesTheBritishStandardswhichimplementinternationalorEuropeanpublicationsreferredtointhisdocumentmaybefoundintheBSIStandardsCatalogueunderthesectionentitled“InternationalStandardsCorrespondenceIndex”,orbyusingthe“Find”facilityoftheBSIStandardsElectronicCatalogue.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.—aidenquirerstounderstandthetext;—presenttotheresponsibleEuropeancommitteeanyenquiriesontheinterpretation,orproposalsforchange,andkeeptheUKinterestsinformed;—monitorrelatedinternationalandEuropeandevelopmentsandpromulgatethemintheUK.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,theENtitlepage,pages2to5andabackcover.TheBSIcopyrightdatedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.AmendmentsissuedsincepublicationAmd.No.DateCommentsLicensedCopy::FULLNAME,:DATE,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN12503-7April2001ICS97.220.30EnglishversionSportsmats-Part7:DeterminationofstaticstiffnessTapisdesport-Partie7:DéterminationdelarigiditéstatiqueSportmatten-Teil7:BestimmungderstatischenSteifigkeitThisEuropeanStandardwasapprovedbyCENon21January2001.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:ruedeStassart,36B-1050Brussels©2001CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.Ref.No.EN12503-7:2001ELicensedCopy::FULLNAME,:DATE,UncontrolledCopy,(c)BSIPage2EN12503-7:2001ContentsPageForeword.................................................21Scope.................................................32Normativereferences......................................33Principle...............................................34Apparatus..............................................35Testpiece..............................................36Conditioning............................................37Procedure..............................................58Expressionofresults......................................59Testreport..............................................5ForewordThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC136"Sports,playgroundandotherrecreationalequipment",thesecretariatofwhichisheldbyDIN.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyOctober2001,andconflictingnationalstandardsshallbewithdrawnatthelatestbyOctober2001.ThisstandardEN12503"Sportsmats"consistsof:Part1:Gymnasticmats,safetyrequirementsPart2:Polevaultandhighjumpmats,safetyrequirementsPart3:Judomats,safetyrequirementsPart4:DeterminationofshockabsorptionPart5:DeterminationofthebasefrictionPart6:DeterminationofthetopfrictionPart7:DeterminationofstaticstiffnessAccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom.LicensedCopy::FULLNAME,:DATE,UncontrolledCopy,(c)BSIPage3EN12503-7:20011ScopeThisEuropeanStandardspecifiesamethodoftestforthedeterminationofstaticstiffnessfortype12ofEN12503-3:2001.2NormativereferencesThisEuropeanStandardincorporates,bydatedorundatedreference,provisionsfromotherpublications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,thelatesteditionofthepublicationreferredtoapplies(includingamendments).EN12503-3:2001Sportsmats–Part3:Judomats,safetyrequirementsEN12503-4:2001Sportsmats–Part4:Determinationofshockabsorption3PrincipleAnindentorisappliedtothematunderaspecifiedmassandthedeflectionofthematnormalisedtothedeflectionatasetdistanceforthepointofindentationismeasured(seefigure1).4ApparatusMeansofapplyingaloadof(50±0,5)kgthroughanindentorverticallyontothematandameansofmeasuringthedifferencebetweenthedeflectionunderthecentreoftheindentorandthedeflectionatadiameterof(160±1)mm.Asuitableformofapparatusisshowninfigure1.Theindentorshallbe78mmdiameterandasspecifiedinfigure2ofEN12503-4:2001.Thedeflectionofthematisconvenientlymeasuredinmillimetresbymeansofascaleattachedtotheindentorandacircularaluminiumorrigidplasticplate160mmdiameterwithacentralhole80mmdiameter.5TestpieceThetestpieceshallbethecompletemat.6ConditioningConditionthetestpiecesforaminimumof24hat(21±3)°Cimmediatelybeforethetestandcarryoutthetestatthesametemperature.LicensedCopy::FULLNAME,:DATE,UncontrolledCopy,(c)BSIPage4EN12503-7:2001DimensionsinmillimetresKey1scale2judomatadifferencebetweenthedeflectionunderthecentreoftheindentorandthedeflectionatthecircularmeasurementplateFigure1-ApparatusLicensedCopy::FULLNAME,:DATE,UncontrolledCopy,(c)BSIPage5EN12503-7:20017ProcedurePlacetheindentoronthetopsurfaceofthematunderatotalloadof(50±0,5)kg.Measurethedifferencebetweenthedeflectionunderthecentreoftheindentorandthedeflectionatadiameterof(160±1)mm2min±5safterapplyingtheload.Repeatthemeasurementtoobtainreadingsatfourpositionswhichareapproximatelyatthecentreofeachquarterofthemat.NOTEThereadingsarenottobetakenatthesamepositionsasusedformeasurementofshockabsorption(seeEN12503-4:2001).8ExpressionofresultsDeterminethemeanofthemeasuresofdeflection.9TestreportThetestreportshallincludethefollowinginformation:a)thenumberofthisstandard,i.e.EN12503-7;b)completeidentificationofthemattestedincludingtype,manufacturer'sreferenceandprevioushistory;c)thetemperatureatwhichthetestwascarriedout;d)themeandeflection;e)theindividualtestvaluesifrequired;f)detailsofanydeviationfromtheprocedure.LicensedCopy::FULLNAME,:DATE,UncontrolledCopy,(c)BSIBSEN12503-7:2001BSI389ChiswickHighRoadLondonW44ALBSI—BritishStandardsInstitutionBSIistheindependentnationalbodyresponsibleforpreparingBritishStandards.ItpresentstheUKviewonstandardsinEuropeandattheinternationallevel.ItisincorporatedbyRoyalCharter.RevisionsBritishStandardsareupdatedbyamendmentorrevision.UsersofBritishStandardsshouldmakesurethattheypossessthelatestamendmentsoreditions.ItistheconstantaimofBSItoimprovethequalityofourproductsandservices.WewouldbegratefulifanyonefindinganinaccuracyorambiguitywhileusingthisBritishStandardwouldinformtheSecretaryofthetechnicalcommitteeresponsible,theidentityofwhichcanbefoundontheinsidefrontcover.Tel:02089969000.Fax:02089967400.BSIoffersmembersanindividualupdatingservicecalledPLUSwhichensuresthatsubscribersautomaticallyreceivethelatesteditionsofstandards.BuyingstandardsOrdersforallBSI,internationalandforeignstandardspublicationsshouldbeaddressedtoCustomerServices.Tel:02089969001.Fax:02089967001.StandardsarealsoavailablefromtheBSIwebsiteathttp://www.bsi-global.com.Inresponsetoordersforinternationalstandards,itisBSIpolicytosupplytheBSIimplementationofthosethathavebeenpublishedasBritishStandards,unlessotherwiserequested.InformationonstandardsBSIprovidesawiderangeofinformationonnational,EuropeanandinternationalstandardsthroughitsLibraryanditsTechnicalHelptoExportersService.VariousBSIelectronicinformationservicesarealsoavailablewhichgivedetailsonallitsproductsandservices.ContacttheInformationCentre.Tel:02089967111.Fax:02089967048.SubscribingmembersofBSIarekeptuptodatewithstandardsdevelopmentsandreceivesubstantialdiscountsonthepurchasepriceofstandards.FordetailsoftheseandotherbenefitscontactMembershipAdministration.Tel:02089967002.Fax:02089967001.FurtherinformationaboutBSIisavailableontheBSIwebsiteathttp://www.bsi-global.com.CopyrightCopyrightsubsistsinallBSIpublications.BSIalsoholdsthecopyright,intheUK,ofthepublicationsoftheinternationalstandardizationbodies.ExceptaspermittedundertheCopyright,DesignsandPatentsAct1988noextractmaybereproduced,storedinaretrievalsystemortransmittedinanyformorbyanymeans–electronic,photocopying,recordingorotherwise–withoutpriorwrittenpermissionfromBSI.Thisdoesnotprecludethefreeuse,inthecourseofimplementingthestandard,ofnecessarydetailssuchassymbols,andsize,typeorgradedesignations.Ifthesedetailsaretobeusedforanyotherpurposethanim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