EN 387:2001
(Main)Glued laminated timber - Large finger joints - Performance requirements and minimum production requirements
Glued laminated timber - Large finger joints - Performance requirements and minimum production requirements
This standard specifies requirements for large finger joints and minimum requirements for the production of these in structural members of glued laminated timber also with corner pieces of laminated veneer lumber or plywood with a finger length of at least 45 mm. The glued laminated timber and the laminated veneer lumber shall be made from conifers and poplar. Such finger joints may be employed for joints in straight beams or for frame corners, see Figure 1.
Brettschichtholz - Universal-Keilzinkenverbindungen - Leistungsanforderungen und Mindestanforderungen an die Herstellung
Diese Norm legt Anforderungen an Universal-Keilzinkenverbindungen und Mindestanforderungen an die Herstellung dieser Verbindungen in BSH-Bauteilen, auch mit Eckstücken aus Furnierschichtholz oder Baufurnier-Sperrholz, mit einer Zinkenlänge von mindestens 45 mm fest. Das verwendete Brettschichtholz oder Furnier-schichtholz ist aus Nadelholz oder Pappelholz herzustellen. Derartige Keilzinkenverbindungen dürfen für Verbin-dungen in geraden Balken oder für Rahmenecken verwendet werden, siehe Bild 1.
Bois lamellé collé - Aboutages à entures multiples de grandes dimensions - Exigences de performance et exigences minimales de fabrication
La présente norme définit des exigences pour les aboutages à entures multiples de grandes dimensions et des exigences minimales pour leur fabrication dans les membrures de structure en bois lamellé-collé, avec également des pièces d'angle en lamibois ou en contreplaqué avec une longueur d'enture d'au moins 45 mm. Le bois lamellé-collé et le lamibois doivent être réalisés à partir de résineux et de peuplier. De tels aboutages à entures multiples peuvent être utilisés pour les assemblages dans les poutres droites ou pour des assemblages de crosses, voir Figure 1.
Lepljeni lamelirani les - Polni zobati spoji - Zahteve za uporabo in minimalne zahteve za proizvodnjo
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Lepljeni lamelirani les - Polni zobati spoji - Zahteve za uporabo in minimalne zahteve za proizvodnjoBrettschichtholz - Universal-Keilzinkenverbindungen - Leistungsanforderungen und Mindestanforderungen an die HerstellungBois lamellé collé - Aboutages a entures multiples de grandes dimensions - Exigences de performance et exigences minimales de fabricationGlued laminated timber - Large finger joints - Performance requirements and minimum production requirements79.060.99Other wood-based panelsICS:Ta slovenski standard je istoveten z:EN 387:2001SIST EN 387:2002en01-julij-2002SIST EN 387:2002SLOVENSKI
STANDARDSIST ENV 387:20001DGRPHãþD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 387October 2001ICS 79.060.99Supersedes ENV 386:1999English versionGlued laminated timber - Large finger joints - Performancerequirements and minimum production requirementsBois lamellé collé - Aboutages à entures multiples degrandes dimensions - Exigences de performance etexigences minimales de fabricationBrettschichtholz - Universal-Keilzinkenverbindungen -Leistungsanforderungen und Mindestanforderungen an dieHerstellungThis European Standard was approved by CEN on 3 September 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 386:2001 ESIST EN 387:2002
(informative)
The tasks of the third party certification body.13Bibliography.14SIST EN 387:2002
Direction of grainFigure 1 - Large finger joints in a beam and at frame cornersSIST EN 387:2002
Finger lengthp
Pitchbt
Tip widthlt
Tip gap1)
Finger symmetry directionFigure 2 - Typical profile of finger joint3.2finger lengthdistance between the slot base and the tip of the finger, measured along the centre line of the finger, see Figure 23.3glued laminated timber (glulam)structural member formed by bonding together timber laminations with the grain running essentially parallelSIST EN 387:2002
In service class 1 the average equilibrium moisture content in most softwoods will not exceed 12 %.3.7service class 2service class characterized by a moisture content in the materials corresponding to a temperature of 20 C and therelative humidity of the surrounding air only exceeding 85 % for a few weeks per yearNOTE
In service class 2 the average equilibrium moisture content in most softwoods will not exceed 20 %.3.8service class 3service class characterized by climatic conditions leading to higher moisture contents than service class 23.9tip widthdistance between finger faces, measured at the tip of the finger, see Figure 23.10tip gapdistance between finger tip and finger base in a bonded finger joint, see Figure 24 Symbolsbwidth of cross section, in millimetres;bttip width, in millimetres;ddiameter of cylindrical specimen, in millimetres;fmbending strength, in newtons per square millimetre;fm,kcharacteristic bending strength, in newtons per square millimetre;fm,dc,kcharacteristic bending strength declared by the manufacturer, in newtons per square millimetre;hdepth of cross section, in millimetres;lfinger length, in millimetres;lttip gap, in millimetres;Mbending moment, in newton millimetres;ppitch, in millimetres;angle between the cross section at the joint and the grain direction, see Figure 1.SIST EN 387:2002
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