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EN 14374:2004

EN 14374:2004

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The latest, up-to-date edition.

Timber structures - Structural laminated veneer lumber - Requirements

Published date

11-24-2004

Publisher

Comite Europeen de Normalisation

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Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Requirements
  4.1 Veneers
  4.2 Bonding quality
  4.3 Dimensions and tolerances
  4.4 Strength
       4.4.1 General
       4.4.2 Bending strength edgewise
       4.4.3 Bending strength flatwise
       4.4.4 Tension strength parallel to the grain
       4.4.5 Tension strength perpendicular to the grain
       4.4.6 Compression strength parallel to the grain
       4.4.7 Compression strength perpendicular to the grain
       4.4.8 Shear strength related to edgewise bending
       4.4.9 Shear strength related to flatwise bending
  4.5 Stiffness
       4.5.1 General
       4.5.2 Modulus of elasticity parallel to the grain
       4.5.3 Modulus of elasticity perpendicular to the grain
       4.5.4 Shear modulus related to edgewise bending
       4.5.5 Shear modulus related to flatwise bending
  4.6 Density
  4.7 Moisture content
  4.8 Reaction to fire
  4.9 Release of formaldehyde
  4.10 Natural durability against biological attack
5 Evaluation of conformity
  5.1 General
  5.2 Initial type testing or assessment
       5.2.1 General
       5.2.2 Sampling
       5.2.3 Characteristics to be initial type tested or assessed
  5.3 Factory production control
       5.3.1 General
       5.3.2 Characteristics of the finished product to be control
             tested
6 Marking
      Z.1 Scope and relevant characteristics
      Z.2 Procedure for attestation of conformity of laminated
          veneer lumber
          Z.2.1 System of attestation of conformity
          Z.2.2 EC Certificate and Declaration of conformity
      Z.3 CE Marking
Bibliography

This document specifies the requirements for laminated veneer lumber for structural applications. The tests to be used, methods to carry out the evaluation of conformity and content of the marking of the product are given.This document does not cover laminated veneer lumber treated against biological attack or fire.

Committee
CEN/TC 124
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

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DIN EN 16351:2015-12 Timber structures - Cross laminated timber - Requirements
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UNE-EN 1995-1-2:2016 Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire design.
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EN 322:1993 Wood-based panels - Determination of moisture content
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ENV 717-1 : 1998 WOOD-BASED PANELS - DETERMINATION OF FORMALDEHYDE RELEASE - FORMALDEHYDE EMISSION BY THE CHAMBER METHOD
EN 350-2:1994 Durability of wood and wood-based products - Natural durability of solid wood - Part 2: Guide to natural durability and treatability of selected wood species of importance in Europe
EN 323:1993 Wood-based panels - Determination of density
EN 408:2010+A1:2012 Timber structures - Structural timber and glued laminated timber - Determination of some physical and mechanical properties
EN 1438:1998 Symbols for timber and wood-based products
PREN 14358 : DRAFT 2013 TIMBER STRUCTURES - CALCULATION OF CHARACTERISTIC 5-PERCENTILE AND MEAN VALUES FOR THE PURPOSE OF INITIAL TYPE TESTING AND FACTORY PRODUCTION CONTROL
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