NEN EN 518 : 1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
STRUCTURAL TIMBER - GRADING - REQUIREMENTS FOR VISUAL STRENGTH GRADING STANDARDS
31-08-2007
12-01-2013
Committees responsible
National foreword
Foreword
Introduction
1. Scope
2. Normative references
3. Definitions
4. Requirements for standards on visual strength grading
5. Limitations for strength-reducing characteristics
5.1 Knots
5.2 Slope of grain
5.3 Density and rate of growth
5.4 Fissures
6. Limitations for geometrical characteristics
6.1 Wane
6.2 Distortion
7. Limitations for biological characteristics
8. Other characteristics
8.1 Reaction wood
8.2 Mechanical damage
8.3 Other criteria
9. Marking
10. Compliance statement
Annex A (informative) Examples of grading standards
Annex B (informative) Recommended layout of visual strength
grading standards
Deals with visual strength grading rules for timber in use in Europe. Applies to hardwood rules and softwood rules and covers visual strength grading of sawn timber of all species likely to be used for load bearing structural purposes.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Superseded
|
| Standards | Relationship |
| BS EN 518:1995 | Identical |
| EN 518 : 1995 | Identical |
| I.S. EN 518:1995 | Identical |
| DIN EN 518:1996-07 | Identical |
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