• DIN EN 14374:2016-07 (Draft)

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Timber structures - Laminated veneer lumber (LVL) - Requirements; German and English version prEN 14374:2016

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  25-05-2022

    Language(s):  German, German - English

    Published date:  01-07-2016

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    This standard is included in DIN Handbook 80 and 359. Describes 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.

    General Product Information - (Show below) - (Hide below)

    Comment Closes On
    Development Note DRAFT 2016 issued in July 2016. (07/2016)
    Document Type Draft
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Withdrawn

    Standards Referenced By This Book - (Show below) - (Hide below)

    DIN 18203-3:2008-08 TOLERANCES IN BUILDING CONSTRUCTIONS - PART 3: BUILDING COMPONENTS OF WOOD AND DERIVED TIMBER PRODUCTS
    DIN 4102-4:2016-05 FIRE BEHAVIOUR OF BUILDING MATERIALS AND BUILDING COMPONENTS - PART 4: SYNOPSIS AND APPLICATION OF CLASSIFIED BUILDING MATERIALS, COMPONENTS AND SPECIAL COMPONENTS

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 717-2:1994/AC:2002 WOOD-BASED PANELS - DETERMINATION OF FORMALDEHYDE RELEASE - PART 2: FORMALDEHYDE RELEASE BY THE GAS ANALYSIS METHOD
    EN 322:1993 Wood-based panels - Determination of moisture content
    EN 789:2004 Timber structures - Test methods - Determination of mechanical properties of wood based panels
    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
    EN 314-1:2004 Plywood - Bonding quality - Part 1: Test methods
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