1、BRITISH STANDARD BS EN 12833:2001 Skylight and conservatory roller shutters Resistance to snow load Test method The European Standard EN 12833:2001 has the status of a British Standard ICS 91.060.50 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 12833:2001 This British S
2、tandard, having been prepared under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 June 2001 BSI 06-2001 ISBN 0 580 37153 0 National foreword This British Standard is the official Engl
3、ish language version of EN 12833:2001. The UK participation in its preparation was entrusted by Technical Committee B/538, Doors, windows, shutters, hardware and curtain walling, to Subcommittee B/538/3, Domestic shutters and blinds, which has the responsibility to: A list of organizations represent
4、ed 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 Standards Catalogue under the section entitled “International Standards Corresponden
5、ce Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of it
6、self confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible 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 th
7、em 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. Amendments issued since publication Amd.
8、 No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12833 April2001 ICS91.010.30;91.060.50 Englishversion SkylightandconservatoryrollershuttersResistancetosnow loadTestmethod Voletsroulantspourfentresdetoitetvranda RsistancelachargedeneigeMthodedessai RolldenfrDachflchenfensterundWint
9、ergrten WiderstandgegenSchneelastPrfverfahren ThisEuropeanStandardwasapprovedbyCENon7March2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalref
10、erencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagemen
11、tCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COM
12、ITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN12833:2001EPage2 EN12833:2001 CONTENTS Page Foreword3 1 Scope.3 2 Normativereferences .3 3 Termsa
13、nddefinitions. 4 4 Testconditions . 4 4.1 Testprinciple 4 4.2 Sampledimensions . .5 4.3 Preparationofthetest. .6 5 Testmethods 7 6 Expressionofresults . 7 7 Testreport. 8Page3 EN12833:2001 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC33“Doors, windows,shutters,buildinghardwa
14、reandcurtainwalling”,thesecretariatofwhichisheldby AFNOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationof anidenticaltextorbyendorsement,atthelatestbyOctober2001,andconflictingnational standardsshallbewithdrawnatthelatestbyOctober2001. Itispartofaseriesofstandardsd
15、ealingwithblindsandshuttersforbuildingsasdefinedin prEN12216:1995. Snoweffectsonslopingshuttersresultinpressureswhicharereproducedbythefollowingtests. ThetestmethodislinkedtoperformancerequirementsforshuttersspecifiedinprEN13659:1999. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandards
16、organizationsofthe followingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Czech Republic,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg, Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdom. 1 Scope ThisEuropeanStandardspecifiesthemethods
17、oftesttobeappliedtoevaluatethesnowload resistanceperformancesofshuttersinclinedlessthan60fromthehorizontal,thoseresistant eitheraloneorinmechanicalassociationwiththeglazing. Itappliesto skylightrollershutters; conservatoryrollershutters. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedo
18、rundatedreference,provisionsfromother publications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthe publicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsof anyofthesepublicationsapplytothisEuropeanStandardonlywhenincorporatedinitby amendmentorrevisi
19、on.Forundatedreferences,thelatesteditionofthepublicationreferredto applies(includingamendments). EN 1932 “ExternalblindsandshuttersResistancetowindloadsMethodof testing“ prEN 12216:1995 “Shutters,externalblinds,internalblindsTerminology,glossaryand definitions” EN13527 “ShuttersandblindsMeasuremento
20、foperatingforceTestmethods“ prEN13659:1999 “ShuttersPerformancerequirementsincludingsafety”Page4 EN12833:2001 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninprEN12216:1995 andthefollowingapply. 3.1 directnominaltestpressure p N uniformpressureorloadsreproduci
21、ngauniformpressure,exertedontheexternalfaceofthetest sample 3.2 safetypressure p s uniformpressureorloadssetoutreproducingauniformpressureunderwhichthereshallbeno ruptureoftheproduct.Thesafetypressure p S islinkedtothenominalpressure p N bythe coefficient f S 3.3 dimensions 3.3.1 height H visiblehei
22、ghtofthecurtainincludingthebottomlath 3.3.2 width L visiblewidthofthecurtain 3.3.3 surfaceofloading givenby Lx H 3.4 distance d distancebetweentheinternalfaceofthecurtainandtheglazing,measuredwiththecurtaininthe fullyextendedposition 4 Testconditions 4.1 Testprinciple Toverifytheholdingofshuttersund
23、ernominalpressure p N andsafetypressure p S representing theparticularapplicablesnowpressure. Twoformsofresistancetosnowloadareenvisaged. a)Theshutterresistsalonethesnowpressurewithoutcontactwiththeglazing, Thepressureisappliedgraduallyto p N andthecorrespondingdisplacementinthecenterofthe curtainme
24、asured. b)Theshutterresiststhesnowpressuretogetherwiththemechanicalassociationwiththe glazing.Page5 EN12833:2001 Theshutteristestedinassociationwitharigidpanel,paralleltothecurtain,representingthe glazing,sufficientlyrigidtowithstandthetestpressureswithoutsustainingdamagethatcould interferewiththere
25、sults. Under p N ,thecurtainshallbeincontactwiththispanel. 4.2 Sampledimensions Thechosendimensionsarelinkedtothetypeofresistanceenvisaged: a)Theshutteraloneresiststhesnowloadwithoutcontactwiththeglazing Toberepresentativeofarangeofsizes,thesamplesubmittedshallbethemaximumwidth L 1 relativetothemaxi
26、mumheight H 1 possibleforthiswidth. Productslesswideandnogreaterinsurfaceareathanthesurfaceareaofthesampletested S 1 = L 1 x H 1 willbeassumedtoresistthesamesnowload, p (SeeFigure1) b)Theshutterresiststhesnowloadtogetherwiththemechanicalassociationoftheglazing. Toberepresentativeofarangeofsizes,thes
27、amplesubmittedshallbetheminimumwidth L 2, relativetoaheight H 2 possibleforthiswidth, ensuringthecontactbetweenthecurtainandtheglazingforthemaximumdistance d proposed. Widerproductsandwithasurfaceareaequalto S max = L 2 x H 0 ,willbeassumedtoresistthe samesnowpressure p,withthemaximumdistance d,betw
28、eenthecurtainandtheglazing (SeeFigure2) Figure1 Theshutterresistsalonethesnow load Areaofallowabledimensions Figure2 Theshutterresiststogether withthemechanicalassociationofthe glazingAreaofallowabledimensionsPage6 EN12833:2001 4.3 Preparationofthetest 4.3.1 Positioningoftheshutter a)theshutteralone
29、resiststhesnowloadwithoutcontactwiththeglazing Theshutterismountedonarigidframeandequippedwiththeoperatingmechanismandis installedusingthefixingsaccordingtomanufacturerinstruction. b)theshutterresiststhesnowloadtogetherwithmechanicalassociationoftheglazing Samemountingas a),theframebeingequippedwith
30、therigidpanelrepresentingtheglazing. Thispanelisplacedatadistance1,2dfromthecurtain,dbeingthemaximumdistance betweentheshutterandglazingstatedbythemanufacturer. 4.3.2 Carryingoutoftheloading Thecurtainisloadeduniformly: eitherinahorizontalpositioningsothattheeffectoftheloadingproducesauniform pressu
31、re.Inthecaseofuseofindividualloads,nineloadspermminimumshallbe distributedevenlyoverthecurtain; orinaverticalpositioningforthetestusingairpressureofapneumatictype.If necessary,theloadingisachievedwiththehelpofathinpolyesterfilmorsimilarmaterial whichwillnotaddtotheresistanceoftheshutter.Thetestappar
32、atusisthatdescribedin EN1932forwindtestforshutters(accuracy 5%of p N ). Iftheshutterresiststogetherwiththeglazing,therigidpanelrepresentingtheglazingshallbe perforated(5cminholesperm)nottoputunderpressurethespacebetweentheshutterand theglazing. 4.3.3 Testloads Fortheparticularapplicablesnowpressure
33、p,thenominalpressure p N andthesafetypressure p S areasfollows: Curtaininthehorizontalpositioning : Directnominalpressure p N = p Safetypressure p S = f S x p Curtaininaverticalpositioning :Itisnecessarytorealizeauniformpreloading,equaltothe weightofthecurtainbyapplicationofapressure p 0 sothat: Dir
34、ectnominalpressure p N = p+ p 0 Safetypressure p S = f S x p+ p 0Page7 EN12833:2001 where f S =safetyfactorstatedinprEN13659:1999 NOTEThetotalloadsappliedduringthetestare: Directnominalload F N = p N x Hx L Safetyload F S = f S x F N 5 Testmethods Theshutteraloneresiststhesnowwithoutcontactwiththegl
35、azing applythedirectnominalpressure p N for5min; measurethedeflectioninthecentreofthecurtain; 2minafterlifting,measuretheoperatingforceaccordingtoEN13257andrecordany faults; applyfor5minthesafetypressure p S .Recordanyresultingdamage. Theshutterresiststhesnowloadtogetherwiththemechanicalassociationo
36、ftheglazing applythedirectnominalpressure p N for5min.Ensurethecurtainisincontactwiththe panel; 2minafterlifting,measuretheoperatingforceaccordingtoEN13527andrecordany damages; applyfor5minthesafetypressure p S .Recordanyresultingdamage. 6 Expressionofresults Attheendofeachsequence,carryoutanexamina
37、tionoftheproductandnoteanyfaults. Afterapplyingthenominalpressure p N : Permanentdeformationofthelathsorguiderails yes/no Exitfromtheguiderails yes/no Fractureofthelathsorguiderails yes/no Variationasapercentageoftheoperatingforcecalculatedasfollows: 1 100 % i e P P V where P i and P e respectively,
38、arevaluesoftheoperatingforcebeforethetestandaftercarrying outthissequence.Page8 EN12833:2001 Afterapplyingthesafetypressure p S : Exitfromtheguiderails yes/no Fractureofthelathsorguiderails yes/no Arealsogiven Thesnowpressure pcorrespondingtothetest,expressedinN/m, Thetypeofresistanceoftheshuttertot
39、hesnowloads shutteralone,or shutterinassociationtogetherwithaglazinglocatedatthemaximumdistance dfrom theshutter,expressedinmm. Theassociateddimensionallimits shutteralone:maximumwidth L 1 andmaximumsurfacearea S 1 allowable,or shutterinassociationtogetherwithaglazingatthedistance d:minimumwidth L 2
40、 and maximumsurfacearea S max allowable. Forshutterresistingalone,thevalueofthedeflectionatthecentreofthecurtainforthe snowtestpressure. 7 Testreport Thetestreportcontainsthefollowinginformations: a)Thenecessarydescriptionstoallowidentificationoftheproduct(listofcomponentsofthe product,typeoflaths,e
41、tc.); b)Thedetailsrelativetothetype,dimensions,constituentmaterials,formandmakeupofthe productanditsconformitywithdrawingssuppliedbythemanufacturer; c)Completedetailsofaccessories,bracketryandoperatingmechanism; d)Dimensionallimitsoftheproductwidth,height,surfacearea,slopes,etc.); e)Dimensionsofthep
42、roducttested; f)Theresultsobtainedexpressedaccordingtoclause6; g)Thenameofthetestlaboratory(laboratoryorfirm),nameoftheresponsibleperson; h)Thedateofthetest; i)Referencetothisstandard.blankBS EN 12833:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independ
43、ent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard
