Fundamental Research of an Evaluation Method of Splitting Failure in Timber I.

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  • Ochiai Yo
    Graduate School of Agricultural and Life Science, The University of Tokyo
  • Aoki Kenji
    Graduate School of Agricultural and Life Science, The University of Tokyo
  • Inayama Masahiro
    Graduate School of Agricultural and Life Science, The University of Tokyo

Bibliographic Information

Other Title
  • 木材の割裂破壊耐力推定のための基礎的研究（第一報）
  • 木材の割裂破壊耐力推定のための基礎的研究(第1報)CT試験における樹種の差異と耐力推定法
  • モクザイ ノ カツレツハカイ タイリョク スイテイ ノ タメ ノ キソテキ ケンキュウ(ダイ1ポウ)CT シケン ニ オケル ジュシュ ノ サイ ト タイリョク スイテイホウ
  • CT試験における樹種の差異と耐力推定法
  • Differences of wood species and evaluation method of splitting failure by the CT test specimen

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Description

<p>Splitting is known as a kind of brittle fracture in wood. Many researchers tried to clarify its mechanism, but it has not yet been made clear. In this research, compact tension tests on some wood species, such as Japanese cedar, Japanese cypress, Japanese larch and Douglas fir, were conducted and the fracture parameters Cγ of these woods were calculated. As a result, experimental values of Japanese larch were lower than calculated ones and were considered as unsafe. Furthermore, an evaluation method of splitting strength with compact tension test specimens was proposed. As a result, values calculated by the method for Japanese cedar and Japanese larch corresponded well to experimental ones, and the values by the proposed method for Japanese cypress and Douglas fir were judged to be on the safe side. </p>

Journal

  • Mokuzai Gakkaishi

    Mokuzai Gakkaishi 63 (6), 269-276, 2017

    The Japan Wood Research Society

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