NFB 52 001 : 2007 AMD 1 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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
01-08-2011
12-01-2013
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)
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DocumentType |
Standard
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PublisherName |
Association Francaise de Normalisation
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Status |
Superseded
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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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