木材の弾性定数および降伏応力の決定法

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c0040031r016.pdf 368 KB エンバーゴ : 2002-05-18
タイトル
木材の弾性定数および降伏応力の決定法
タイトル
Detemination Method of the Elastic Modulus and Yield Stress of Wood
タイトル 読み
モクザイ ノ ダンセイ テイスウ オヨビ コウフク オウリョク ノ ケッテイホウ
著者
太田 正光
収録物名
島根大学総合理工学部紀要. シリーズA
31
開始ページ 259
終了ページ 263
収録物識別子
ISSN 13427113
内容記述
抄録・要旨
In this paper, we formulated the stress-strain and stress-plastic strain relationships, and examined the determination method of the Young's modulus and the yield stress which dominate the stress-strain property.
Agathis (Agathis sp.) and katsura (Cercidiphyllum japonicum Sieb. and Zucc.) with various grain orientations were used for the specimens. These specimens were uniaxially compressed, and the stress-strain relationship was formulated by Ramberg-Osgood's power function. Then, the strain component was separated into the elastic and the plastic parts, and the stress-plastic strain relationship was formulated by Ludwik's power function. The yield stress was obtained by extrapolating the plastic strain to zero. The obtained Young's moduli and the yield stresses were compared with those determined visually, and the validity of our proposal was examined.
From the experimental results, we concluded that the Young's modulus and the yield stress were determined properly by the formulation process proposed here.
言語
英語
資源タイプ 紀要論文
出版者
島根大学総合理工学部
Interdisciplinary Faculty of Science and Engineering, Shimane University
発行日 1997-12-26
アクセス権 オープンアクセス
関連情報
[NCID] AA11157087
備考 30-41+ / 1997-2007