Compressive and Bending Strength Variations in the Properties of Portuguese Clear Oak Wood

被引：3

作者：

Knapic, Sofia ^{[1
,2
]}

Linhares, Camila S. F. ^{[1
,2
]}

Machado, Jose S. ^{[3
]}

机构：

[1] SERQ Innovat & Competence Forest Ctr, P-6100711 Serta, Portugal

[2] Univ Coimbra, ISISE UC Inst Sustainabil & Innovat Struct Engn, P-3030788 Coimbra, Portugal

[3] Dept Mat, Lab Nacl Engn Civil, P-1700066 Lisbon, Portugal

来源：

FORESTS | 2022年 / 13卷 / 07期

关键词：

mechanical properties; modulus of elasticity; wood density; variation of properties; Quercus faginea; MECHANICAL-PROPERTIES; DENSITY COMPONENTS; RING WIDTH; ELASTICITY; MODULUS; TREES; HEARTWOOD; SAPWOOD;

D O I：

10.3390/f13071056

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Within-stem variation in the mechanical properties of Portuguese oak wood was analysed, considering different locations (three sites in the centre and north of Portugal-Site 1, Site 2, Site 3) and positions within the tree (two distances to pith-P1, P2). The study comprised compression parallel to the grain, bending strength and modulus of elasticity. Ultimately, this study aims at assuring the building of a body of knowledge on the technological quality and processing options for this species. The results showed for one provenance, Site 1, a significant effect of the distance to pith in the mechanical properties, which can be related to a different soil composition. For this provenance, a decrease in the compression and bending strength was verified from pith to bark. For the other provenances (Site 2 and Site 3), no effect was noticed. The overall behaviour showed noticeable correlations between the mechanical properties and density.

引用

页数：10

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