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NFB 52 001 : 2007 AMD 1 2009

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

REGULATIONS GOVERNING THE USE OF TIMBER IN STRUCTURE - VISUAL CLASSIFICATION FOR THE USE OF FRENCH CONIFEROUS AND DECIDUOUS SAWN TIMBER IN STRUCTURES

Superseded date

01-08-2011

Published date

12-01-2013

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Avant-propos
1 Domaine d'application
2 Références normatives
3 Définitions
4 Règles de classement visuel des pièces de bois
  4.1 Principe
  4.2 Méthode
      4.2.1 Critères visuels
      4.2.2 Méthode de mesure des singularités
      4.2.3 Bois de réaction
5 Classement visuel
  5.1 Règles générales
  5.2 Critères de classement visuel selon les essences
      5.2.1 Critères de classement visuel du sapin-épicéa
      5.2.2 Critères de classement visuel du Douglas
      5.2.3 Critères de classement visuel des pins
            (< 20000 mm[2])
      5.2.4 Critères de classement visuel des mélèzes
            (< 20000 mm[2])
      5.2.5 Critères de classement visuel du peuplier
            (< 20000 mm[2])
6 Marquage
Annexe A (normative) Correspondance entre les catégories
         visuelles et les classes de résistance mécanique
Annexe B (informative) Règles de classement visuel pour
         le chêne
Annexe C (informative) Critères de classement visuel de
         l'épicéa de Sitka
Annexe D (informative) Critères de classement visuel de
         bois de Guyane le Gonfolo et l'Angélique

Le présent document a pour objet de définir un classement visuel des bois sciés résineux et feuillus provenant de forêts françaises destinés à une utilisation en structure et faisant l'objet de justifications par calcul. Il ne s'applique pas aux bois importés. Il s'applique aux bois dont la section est supérieure à 2200 mm[2], dont une dimension inférieur ou égal à 22 mm.

DevelopmentNote
Indice de classement: B52-001. PR NFB 52 001 March 2005. (03/2005) PR NFB 52 001 May 2006. (05/2006)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Superseded

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NFP 32 201-1 : 1993 BUILDING WORKS - ROOF COVERING MADE OF SLATES - PART 1: TECHNICAL SPECIFICATIONS
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DTU P 92-703 : 1988 RULES WOOD FIRE 88 - CALCULATED JUSTIFICATION OF FIRE RESISTANCE OF WOOD STRUCTURES
NFB 52 010 : 2006 STRUCTURE TIMBER - GLUED LAMINATED SOLID TIMBER (BMR) - STRAIGHT MEMBERS MADE UP BY GLUING HIGH THICKNESS SOLID TIMBER LAMINATIONS - DEFINITIONS, REQUIREMENTS AND CHARACTERISTICS

NF EN 384 : 2016 STRUCTURAL TIMBER - DETERMINATION OF CHARACTERISTIC VALUES OF MECHANICAL PROPERTIES AND DENSITY
NF EN 1912 : 2012 STRUCTURAL TIMBER - STRENGTH CLASSES - ASSIGNMENT OF VISUAL GRADES AND SPECIES
NF EN 408 : 2010 + A1 2012 TIMBER STRUCTURES - STRUCTURAL TIMBER AND GLUED LAMINATED TIMBER - DETERMINATION OF SOME PHYSICAL AND MECHANICAL PROPERTIES
NF EN 1310 : 1997 ROUND AND SAWN TIMBER - METHOD OF MEASUREMENT OF FEATURES
NF EN 1611-1 : 99 AMD 1 2003 SAWN TIMBER - APPEARANCE GRADING OF SOFTWOODS - PART 1: EUROPEAN SPRUCES, FIRS, PINES AND DOUGLAS FIRS
NF EN 844-9 : 1997 ROUND AND SAWN TIMBER - TERMINOLOGY - PART 9: TERMS RELATING TO FEATURES OF SAWN TIMBER
NF EN 844-10 : 1998 ROUND AND SAWN TIMBER - TERMINOLOGY - PART 10: TERMS RELATING TO STAIN AND FUNGAL ATTACK
NF EN 14081-1 : 2016 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 1: GENERAL REQUIREMENTS
NF EN 338 : 2016 STRUCTURAL TIMBER - STRENGTH CLASSES
NF EN 844-7 : 1997 ROUND AND SAWN TIMBER - TERMINOLOGY - PART 7: TERMS RELATING TO ANATOMICAL STRUCTURE OF TIMBER
NF EN 844-11 : 1998 ROUND AND SAWN TIMBER - TERMINOLOGY - PART 11: TERMS RELATING TO DEGRADE BY INSECTS
NFP 21 400 : 2012 STRUCTURAL TIMBER AND WOOD-BASED PRODUCTS - RESISTANCE CLAUSES AND RELATED PERMISSIBLE STRESSES
NF EN 844-3 : 1995 ROUND AND SAWN TIMBER - TERMINOLOGY - PART 3: GENERAL TERMS RELATING TO SAWN TIMBER

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