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BS EN 12775-2001 Solid wood panels - Classification and terminology《固体木镶材 分类和术语》.pdf

1、BRITISH STANDARD BS EN 12775:2001 Solid wood panels Classification and terminology The European Standard EN 12775:2001 has the status of a British Standard ICS 79.060.99 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 12775:2001 This British Standard, having been prepared

2、 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 March 2001 BSI 03-2001 ISBN 0 580 37056 9 National foreword This British Standard is the official English language version of EN 1

3、2775:2001. The UK participation in its preparation was entrusted to Technical Committee B/541, Wood-based panels, 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

4、 international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport t

5、o 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 itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European comm

6、ittee 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 cover, the EN title page, pages 2 to

7、7 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 EN12775 January2001 ICS01.040.79;79.060.99 Englishversion SolidwoodpanelsClassif

8、icationandterminology BoispanneautsClassificationetterminologie MassivholzplattenKlassifizierungundTerminologie ThisEuropeanStandardwasapprovedbyCENon1January2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanat

9、ionalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation underther

10、esponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,

11、SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN12775:2001EPage2 EN12775:2001

12、 Contents Page Foreword. 2 1 Scope. 3 2 Normativereferences. 3 3 Classification 3 3.1 Accordingtothecompositionofthepanel 3 3.2 Accordingtotheirprincipalcharacteristics 3 3.3 Accordingtotheirsurfacecondition 4 3.4 Accordingtotheultimateuserrequirements 4 4 Termsanddefinitionsrelatingto solidwoodpane

13、ls 4 4.1 Solidwoodpanel 4 4.2 Largesizedpanel. 4 4.3 Mediumsizedpanel . 5 4.4 Panelcuttosize 5 4.5 Lengthofpanel. 5 4.6 Widthofpanel 5 4.7 Layer 5 4.8 Face 5 Page 4.9 Back 5 4.10Strip. 5 4.11Board 6 4.12Lamella 6 4.13Blank 6 4.14Plank 6 4.15 Structureofwood. 6 4.16 Narrowringedwood . 6 4.17 Widering

14、edwood. 6 4.18 Straightgrainwood 6 4 . 1 9 P r e s e n c e o f k n o t s . 6 4 . 2 0 B l a c k k n o t 6 4.21Patch 6 4 . 2 2 N a t u r a l p l u g . 7 4.23 Serialplugging . 7 4 . 2 4 C h e m i c a l p a t c h i n g . 7 4 . 2 5 W o r m h o l e 7 4.26 Fungalattack 7 4 . 2 7 F i n e s a w n t i m b e r

15、 7 4.28 Sandedtimber . 7 4 . 2 9 E n d j o i n t 7 4 . 3 0 S i m p l e b u t t 7 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC112“Woodbasedpanels“,the secretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical

16、text orbyendorsement,atthelatestbyJuly2001,andconflictingnationalstandardsshallbewithdrawnatthelatest byJuly2001. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsof thefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finla

17、nd, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom. NoexistingEuropeanStandardissuperseded.Page3 EN12775:2001 1Scope ThisEuropeanstandardgivesaclassificationforsolidwoodpanelsanddefinestermsusedwithsolidwood panels. 2No

18、rmativereferences ThisEuropeanStandardincorporates,bydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEu

19、ropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,thelatesteditionofthe publicationreferredtoapplies(includingamendments). EN8443 RoundandsawntimberTerminologyPart3:Generaltermsrelatingtosawntimber EN8447 RoundandsawntimberTerminologyPart7:Termsrelatingtoanatomicalstr

20、uctureoftimber EN8449 RoundandsawntimberTerminologyPart9:Termsrelatingtofeaturesofsawntimber EN84410 RoundandsawntimberTerminologyPart10:Termsrelatingtostainandfungalattack EN84411 RoundandsawntimberTerminologyPart11:Termsrelatingtodegradebyinsects 3Classification 3.1Accordingtothecompositionofthepa

21、nel a)Singlelayerpanels b)Multilayerpanels 3.2Accordingtotheirprincipalcharacteristics 3.2.1Accordingtotheirconditionsofuse a)Panelsforuseindryconditions b)Panelsforuseinhumidconditions c)Panelsforuseinexteriorconditions 3.2.2Accordingtotheirmechanicalproperties a)Panelsforgeneralpurposes b)Panelsfo

22、rstructuraluses 3.2.3Accordingtotheirsurfaceappearance 3.2.3.1Accordingtothegroupofwoodspeciesintheouterlayer a)Softwoodpanels b)HardwoodpanelsPage4 EN12775:2001 3.2.3.2Accordingtothelengthofpiecesintheouterlayer a)Panelswithpiecescuttolength(“SC“showingcuts). b)Panelswithpiecesnotcuttolength(“NCnoc

23、uts) 3.3Accordingtotheirsurfacecondition a)Rawpanels b)Sandedpanels c)Panelswithtexturedsurfaces d)Finishedpanels(e.g.overlaid,coated,primed,varnished,oiltreated) 3.4Accordingtotheultimateuserrequirements 4Termsanddefinitionsrelatingtosolidwoodpanels Forthepurposeofthisstandard,thetermsanddefinition

24、sgiveninEN8443,EN8447,EN8449,EN84410 andEN84411andthefollowingapply. NOTE Inthefollowingdefinitions“piecesoftimber“meanstimberintheformofboards,lamellas, blanks,stripsorplanks. 4.1Solidwoodpanel Panelthatconsistsofpiecesoftimbergluededgetoedgeand,ifmultilayer,facetoface. 4.1.1Singlelayersolidwoodpan

25、el Solidwoodpanel,consistingofseveralpiecesoftimberwhicharegluedtogethertoformonelayer. 4.1.1.1Solidwoodpanelwithpiecescuttolength Solidwoodpanelwithpiecesoftimberwhichshowcutsacrosstheirlengthand,asarule,aregluedtogetherat theirendsorfingerjointed(Type“SC“). 4.1.1.2Solidwoodpanelwithpiecesnotcuttol

26、ength Solidwoodpanelconsistingofpiecesoftimberwhichareundividedforthefulllengthofthepanel(Type“NC“). 4.1.2Multilayersolidwoodpanel Solidwoodpanel,consistingoftwoouterlayerswiththeirgraindirectionrunningparallelandatleastoneinner layerwithitsgraindirectionat90totheouterlayers. 4.2Largesizepanel Panel

27、withdimensionsequaltoorgreaterthan3minlengthandequaltoorgreaterthan1minwidth.Page5 EN12775:2001 4.3Mediumsizedpanel Panelwithdimensionslessthan3minlengthorlessthan1minwidth. 4.4Panelcuttosize Panelwhichconformstothesizespecifiedbythepurchaser. 4.5Lengthofpanel Thepaneldimensioninthedirectionofthegra

28、inoftheouterlayers. 4.6Widthofpanel Thepaneldimensionatrightanglestothelength 4.7Layer Flatcompositionofpiecesoftimberwhichcanbegluededgetoedgeandeventuallyendtoend. 4.7.1Outerlayer Outsidestratumofamultilayersolidwoodpanel. 4.7.2Innerlayer Anystratumofamultilayersolidwoodpanelwhichisnotanouterlayer

29、. 4.7.3Middlelayer Centralstratumofamultilayersolidwoodpanel. 4.8Face Thesurfaceswhichfallinthebetterappearanceclass. NOTE Ifbothsurfacesfallinthesameclass,thepanelcanbeconsideredtohavingtwofacesandno back. 4.9Back Thesurfaceofthepanelwhichfallsinthelowerappearanceclass(comparedtotheface). 4.10Strip

30、 Pieceofsawntimberoflongishform,lessthan40mminthicknessandlessthan80mminwidth.Page6 EN12775:2001 4.11Board Pieceofsawntimberoflongishform,lessthan40mminthickness(butnotlessthan10mmthick)andmore than80mminwidth. 4.12Lamella Pieceofsawntimberoflongishformbetween3mmand10mminthicknessandof25mmormoreinwi

31、dth. 4.13Blank Pieceofsawntimberoflongishformwhichismorethan40mminthicknessandnotexceeding80mminwidth. 4.14Plank Pieceofsawntimberoflongishformwhichis40mmormoreinthicknessandmorethan80mminwidth. 4.15Structureofwood Anatomiccompositionofwood,determinedbythesizeandtypeofcells,poresandthewidthandregula

32、rityof growthrings. 4.16Narrowringedwood Woodwithclosegrowthrings.Withsoftwoodspecies,thewoodisnarrowringedifithasanaverageof6or moregrowthringsper1cmoverthewholecrosssection. 4.17Wideringedwood Woodwithlargegrowthrings.Woodiswideringediftheaveragewidthofthegrowthrings(measuredradiallyat thecrosssec

33、tion)exceeds6mm. 4.18Straightgrainwood Woodwithaslopeofgrainoflessthan2cm/m. 4.19Presenceofknots Termwhichdescribestheexistenceofknotsinapieceoftimber. 4.20Blackknot Unsoundknotordeadknotwithblackdiscolourationatthewholeorinpart(ringshaped)ofitscrosssection. 4.21Patch Smallflatpieceofwoodusedforinse

34、rtingintoapieceofsawntimber,orasolidwoodpanel,toreplacevisible partsoffeaturessuchasknotsordefects.Page7 EN12775:2001 4.22Naturalplug Plugwhichhasbeenproducedfromanaturalbranchandthereforeshowsthecompletecirculargrowthrings acrossitssurface. 4.23Serialplugging Insertionofplugsseparatedbyadistanceles

35、sthantheirindividualwidthorevenoverlapping. 4.24Chemicalpatching Defectfilledwithachemicalcompound. 4.25Wormhole Boreholeinwoodwithadiameterofmorethan2mm. 4.26Fungalattack Discolourationand/orstructuralalterationofwoodbytheattackofwooddestroyingorwooddiscolouringfungi. 4.27Finesawntimber Timberwhich

36、hasbeenworkedwithafinecutcircularsaworfinecutbandsawinsuchawaythattherough nessdepthdoesnotexceed0,5mm. 4.28Sandedtimber Timberwhichhasbeenfinishedbymachinewithsandingbelts. 4.29Endjoint Connectionoftwopiecesoftimberendtoendeitherbyglueing(fingerorbuttjointed)orbymechanicalfasteners (e.g.corrugatedf

37、asteners). 4.30Simplebutt Jointingoftwopiecesoftimberwithoutgluedormechanicalconnection.BS EN 12775:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards i

38、n 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

39、 products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI off

40、ers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8

41、996 7001. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provide

42、s a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: 02

43、0 8996 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Further

44、 information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior writ

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