EN 1912:2004+A1:2007
(Main)Structural timber - Strength classes - Assignment of visual grades and species
Structural timber - Strength classes - Assignment of visual grades and species
This document lists visual strength grades, species and sources of timber, and specifies the strength classes from EN 338, to which they are assigned.
NOTE For the grades, species and sources included, there is long experience of use and/or satisfactory test data. The sources listed are therefore largely determined by existing commercial practice.
Bauholz für tragende Zwecke - Festigkeitsklassen - Zuordnung von visuellen Sortierklassen und Holzarten
Bois de structure - Classes de résistance - Affectation des classes visuelles de des essences
Le présent document répertorie les classes visuelles de résistance, les essences et les origines de bois et spécifie les classes de résistance, fixées par l’EN 338, auxquelles elles se rapportent.
NOTE Pour les classes, essences et origines d’approvisionnement incluses, on doit pouvoir justifier d’une grande expérience d’utilisation et/ou de données d’essais satisfaisantes. Les origines sont donc largement déterminées par la pratique commerciale existante.
Konstrukcijski les - Trdnostni razredi - Določitev trdnostnih razredov na podlagi vizualnega razvrščanja in vrste lesa
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Structural timber - Strength classes - Assignment of visual grades and speciesBois de structure - Classes de résistance - Affectation des classes visuelles de des essencesBauholz für tragende Zwecke - Festigkeitsklassen - Zuordnung von visuellen Sortierklassen und HolzartenTa slovenski standard je istoveten z:EN 1912:2004+A1:2007SIST EN 1912:2005+A1:2007en;fr;de79.040Les, hlodovina in žagan lesWood, sawlogs and sawn timberICS:SLOVENSKI
STANDARDSIST EN 1912:2005+A1:200701-julij-2007
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1912:2004+A1
February 2007 ICS 79.040 Supersedes EN 1912:2004English Version
Structural timber - Strength classes - Assignment of visual grades and species
Bois de structure - Classes de résistance - Affection des classes visuelles de des essences
Bauholz für tragende Zwecke - Festigkeitsklassen - Zuordnung von visuellen Sortierklassen und Holzarten This European Standard was approved by CEN on 10 September 2004 and includes Amendment 1 approved by CEN on 28 December 2006.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN 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 translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36
B-1050 Brussels © 2007 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1912:2004+A1:2007: E
EN 1912:2004+A1:2007 (E) 2 Contents page Foreword.3 1 Scope.4 2 Normative references.4 3 Terms and definitions.4 4 Symbols and abbreviations.4 5 Requirements.5 6 Assignments to strength classes.5 Annex A (informative)
Grading standards.14 Bibliography.16
EN 1912:2004+A1:2007 (E) 3 Foreword This document (EN 1912:2004+A1:2007) has been prepared by Technical Committee CEN/TC 124 “Timber structures”, the secretariat of which is held by SFS. This document shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2007 and conflicting national standards shall be withdrawn at the latest by August 2007. This document includes Amendment 1, approved by CEN on 2006-12-28. This document supersedes EN 1912:2004. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! ". This revised version contains assignments of additional grades and species. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingd
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