Konstrukční dřevo - Vizuální pevnostní třídění tropického tvrdého dřeva (Norma k přímému použití jako ČSN).
NORMA vydána dne 1.9.2016
Designation standards: ČSN EN 16737
Classification mark: 731720
Catalog number: 500334
Publication date standards: 1.9.2016
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN
This European Standard specifies a method of strength grading tropical hardwood visually for structural use. The permissible limits of characteristics for a single visual strength grade of timber are specified, designated "Structural Tropical Hardwood" (STH) grade. The method is only suitable for pieces of timber with a rectangular cross-section that is constant along their lengths. Characteristics related to durability are not covered in this standard. For some end uses, additional requirements may be specified at the time of grading, e.g. sapwood exclusion. This standard gives grading methods, definitions and criteria as required in EN 14081 1 for a visual strength grading standard