BS EN 14272:2011 - Plywood. Calculation method for some mechanical properties

BS EN 14272:2011

Plywood. Calculation method for some mechanical properties

Status : Confirmed, Current   Published : January 2012



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.

Standard NumberBS EN 14272:2011
TitlePlywood. Calculation method for some mechanical properties
StatusConfirmed, Current
Publication Date31 January 2012
Confirm Date23 May 2018
Normative References(Required to achieve compliance to this standard)EN 12369-2, EN 789, EN 1058, EN 325, EN 14358, EN 408, EN 384, EN 338:2009
Informative References(Provided for Information)EN 635-3, EN 310, EN 635-2, EN 1995-1-1
ReplacesDD ENV 14272:2002
International RelationshipsEN 14272:2011
Draft Superseded By09/30211230 DC
DescriptorsWood, Modulus of rigidity, Plywood, Mechanical properties of materials, Strength of materials, Stiffness, Formulae (mathematics), Mathematical calculations
Title in FrenchContreplaqué. Méthode de calcul pour certaines caractéristiques mécaniques
Title in GermanSperrholz. Rechenverfahren für einige mechanische Eigenschaften
ISBN978 0 580 69385 4
File Size591 KB

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