水分含量对香柏木种强度和刚度特性的影响分析

IF 0.9 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD

Wood Research Pub Date : 2022-04-19 DOI:10.37763/wr.1336-4561/67.2.231240

Vinícius Borges de Moura Aquino, Larissa Soriani ZANINI RIBEIRO SOARES, H. Ruthes, F. Arroyo, I. F. Fraga, A. Christoforo, H. F. dos Santos, E. Chahud, Luiz Antônio Melgaço Nunes Branco, F. A. Rocco Lahr

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引用次数: 0

摘要

以12%至纤维饱和点(FSP)为含水率，分析了香檀材料含水率变化对其强度和刚度性能的影响。根据统计分析，所分析的大部分强度和刚度性能受含水率的影响显著。采用方差分析、Anderson Darling检验和多重比较检验，显著性水平为5%。考虑到木材的大部分性能都受到含水率的影响，根据含水率减少估算木材性能的公式是相当精确的，但在含水率为12%时，大多数估算值都高于实验值，这表明需要对这些估算值进行标准审查，这可能导致木结构设计不安全。

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ANALYSIS OF MOISTURE CONTENT VARIATION ON STRENGTH AND STIFFNESS PROPERTIES OF CEDRELLA ODORATA WOOD SPECIES

In order to analyze the influence of moisture content variation on Cedrella odoratawood specie on strength and stiffness properties, considering 12% moisture content up to fiber saturation point (FSP). Most of strength and stiffness properties analyzed were significantly influenced by moisture content according statistical analysis. ANOVA, Anderson Darling and Multiple comparison tests were used at 5% significance level. Considering that most of properties were affected by moisture content, the equations to estimate wood properties according moisture decrease are quite precise, but most of estimations were higher than experimental values at 12% moisture content, indicating the need of a standard review for such estimators, which may lead to an unsafe timber structure design.

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来源期刊

Wood Research 工程技术-材料科学：纸与木材

CiteScore

2.40

自引率

15.40%

发文量

审稿时长

5.4 months

期刊介绍： Wood Research publishes original papers aimed at recent advances in all branches of wood science (biology, chemistry, wood physics and mechanics, mechanical and chemical processing etc.). Submission of the manuscript implies that it has not been published before and it is not under consideration for publication elsewhere.