Effect of basic density and growth ring width on the bending strength of Norway spruce wood from southern and northern Finland

A population consisting of 450 Norway spruce ( (L.) H. Karst.) samples was gathered from northern and southern Finnish wood. The static bending strength was affected greatly by the density of the wood. However, keeping the density constant, the bending strength was higher in northern than in souther...

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Bibliographic Details
Published in:Silva Fennica
Main Authors: Kärkkäinen, Matti, Dumell, Olle
Format: Article in Journal/Newspaper
Language:English
Published: Finnish Society of Forest Science 1983
Subjects:
Online Access:https://doi.org/10.14214/sf.a15097
https://doaj.org/article/7348e8a211454811b75ecb73fcbdd06b
Description
Summary:A population consisting of 450 Norway spruce ( (L.) H. Karst.) samples was gathered from northern and southern Finnish wood. The static bending strength was affected greatly by the density of the wood. However, keeping the density constant, the bending strength was higher in northern than in southern Finnish wood. The reason was the effect of the growth ring width.Picea abies3