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.
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页数：10
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