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Homepage>BS Standards>79 WOOD TECHNOLOGY>79.060 Wood-based panels>79.060.10 Plywood>BS EN 14272:2011 Plywood. Calculation method for some mechanical properties
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immediate downloadReleased: 2012-01-31
BS EN 14272:2011 Plywood. Calculation method for some mechanical properties

BS EN 14272:2011

Plywood. Calculation method for some mechanical properties

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Standard number:BS EN 14272:2011
Pages:52
Released:2012-01-31
ISBN:978 0 580 69385 4
Status:Standard
DESCRIPTION

BS EN 14272:2011


This standard BS EN 14272:2011 Plywood. Calculation method for some mechanical properties is classified in these ICS categories:
  • 79.060.10 Plywood
This European Standard specifies, for plywood panels of any composition, symmetrical or not, a calculation method to derive some mechanical properties (strength and stiffness in bending, tension, compression, panel and planar shear) as well as density from the wood compounding the layers. NOTE Usually, the lay-up of the panels is symmetrical but, very often, the surface appearance of the face and the surface appearance of the back face differ, hence a difference between the mechanical properties of the respective veneers. Therefore, in this case, the composition is not mechanically symmetrical and a symmetry independent calculation method is needed. Provided that structural characteristic values are taken for the layers, the resulting values for the panels can be used as characteristic values as required by EN 1995-1-1. Conversely, Annex A defines the procedures to derive the veneer properties, in bending, tension and compression, either from testing panels according to EN 789 and EN 1058 or from timber testing according to EN 408 or from imposed values defined in EN 338. Annex B provides practical spreadsheets, which are applications of the equations in the main part of this standard. Annex C provide an example for the calculation of bending strength, in accordance with Annex B.