宮崎県椎葉村における伝統的木材利用樹種の物理的・機械的特性および耐久性評価

Translated title of the contribution: Evaluation of Physical and Mechanical Properties and Durability of Wood in Traditionally Used Trees in Shiiba Village, Miyazaki Prefecture

内海 泰弘, 椎葉 康喜, 村田 育恵, 安田 悠子, 古賀 信也, 永井 智, 井上 晋

Research output: Contribution to journalArticle

Abstract

<p>In Shiiba Village, Miyazaki Prefecture, people have used many trees growing in their living area for their traditional life. We interviewed four elder informants who were expert in wood handling on wood physical and mechanical properties and durability in commonly used trees. The informants discriminated 99 tree species empirically and evaluated their toughness, cleavability, warping, checking, abrasion resistance, hardness, machinability, combustibility and durability. Overall the highest rated species were <i>Torreya nucifera</i> and <i>Sciadopitys verticillata</i>, and the next-best species were <i>Taxus cuspidata</i> and <i>Zelkova serrata</i>. On average, coniferous species were evaluated better than hardwood species, and in hardwood, the arbor trees were evaluated better than shrubs. Air-dry density from previous literature was correlated with empirical toughness, machinability, cleavability, hardness, abrasion resistance and combustibility. Brinell hardness in the literature was correlated with empirical hardness, and decay resistance in the literature was correlated with empirical wood decay and termite resistance.</p>
Translated title of the contributionEvaluation of Physical and Mechanical Properties and Durability of Wood in Traditionally Used Trees in Shiiba Village, Miyazaki Prefecture
Original languageJapanese
Pages (from-to)73-85
Number of pages13
JournalMokuzai Gakkaishi/Journal of the Japan Wood Research Society
Volume63
Issue number2
DOIs
Publication statusPublished - 2017

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