NF EN 28970 : 1991

Superseded

TIMBER STRUCTURES - TESTING OF JOINTS MADE WITH MECHANICAL FASTENERS - REQUIREMENTS FOR WOOD DENSITY

Superseded date

08-01-2010

Published date

01-12-2013

Publisher

Association Francaise de Normalisation

Cooperating organizations
National foreword
Foreword
Text of EN 28970 (no contents section)
National annex NA (informative)

Describes two methods for selection of wood density for specimens to be used in testing strength and stiffness properties of joints made with mechanical fasteners. Both methods are equally suitable. Wood density is assumed to be normally distributed with a coefficient of variation of about 0.15. Density is only one property influencing strength of a joint. Other relevant properties include growth ring size and slope of grain.

DevelopmentNote	INDICE DE CLASSEMENT: P21313
DocumentType	Standard
PublisherName	Association Francaise de Normalisation
Status	Superseded

Standards	Relationship
I.S. EN 28970:1991	Identical
DIN EN 28970:1991-07	Identical
UNE-EN 28970:1992	Identical
EN 28970 : 1991	Identical
BS EN 28970:1991	Identical

NFP 30 316 : 2009	ROOFING AND WALL CLADDING - FASTENERS - DETERMINATION OF THE CHARACTERISTIC RESISTANCE OF THE ASSEMBLY - TEST METHOD FOR SHEARING BY TRANSVERSE TENSILE TESTING
NF EN 14545 : 2009	TIMBER STRUCTURES - CONNECTORS - REQUIREMENTS