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PREN 14081-2 : DRAFT 2016

Current
Current

The latest, up-to-date edition.

TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 2: MACHINE GRADING, ADDITIONAL REQUIREMENTS FOR INITIAL TYPE TESTING
Published date

23-05-2016

European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Requirements for strength grading machines
6 Derivation of settings for machine controlled systems
7 Introduction of a new grading machine and
  change in scope of existing grading
  machines for machine controlled systems
8 Derivation of settings for output controlled systems
9 Requirements for adaptive settings
Annex A (informative) - Guidance on sampling for
        machine controlled systems
Annex B (informative) - Prediction limit method
Annex C (normative) - Calculation of elementary cost
        matrix values
Annex D (informative) - Critical values for the rejection of
        the null hypothesis (one tail)

Describes requirements, additional to those in EN 14081-1, for type testing of machine graded structural timber with rectangular cross-sections shaped by sawing, planing or other methods, and having deviations from the target sizes corresponding to EN 336.

Committee
TC 124
DocumentType
Draft
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
16/30338540 DC : 0 Identical
16/30338540 DC : DRAFT MAY 2016 Identical

DIN EN 386:2002-04 GLUED LAMINATED TIMBER - PERFORMANCE REQUIREMENTS AND MINIMUM PRODUCTION REQUIREMENTS
01/107225 DC : DRAFT OCT 2001 PREN 14250 - TIMBER STRUCTURES - PRODUCT REQUIREMENTS FOR PREFABRICATED TRUSSES USING PUNCHED METAL PLATE FASTENERS
03/310463 DC : DRAFT JUNE 2003 EN 14081-4 - TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 4: MACHINE GRADING - GRADING MACHINE SETTINGS FOR MACHINE CONTROLLED SYSTEMS
BS EN 386:2001 Glued laminated timber. Performance requirements and minimum production requirements
EN 386:2001 Glued laminated timber - Performance requirements and minimum production requirements

EN 14081-1:2016 Timber structures - Strength graded structural timber with rectangular cross section - Part 1: General requirements
EN 408:2010+A1:2012 Timber structures - Structural timber and glued laminated timber - Determination of some physical and mechanical properties
EN 338:2016 Structural timber - Strength classes
EN 14358:2016 Timber structures - Calculation and verification of characteristic values
EN 384:2016 Structural timber - Determination of characteristic values of mechanical properties and density

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