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Stress Intensity Factors of Semi-Circular Bend Specimens with Straight-Through and Chevron Notches
http://hdl.handle.net/2298/42022
http://hdl.handle.net/2298/42022d8151ff3-1a0f-4417-a3b6-ed091e01a04e
名前 / ファイル | ライセンス | アクション |
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177-RMRE-CNSCB-2016+Majid.pdf (1.7 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-04-01 | |||||
タイトル | ||||||
タイトル | Stress Intensity Factors of Semi-Circular Bend Specimens with Straight-Through and Chevron Notches | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Rock fracture mechanics, Semi-circular bend specimen, Chevron notch, Stress intensity factor, Finite element modeling | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
Majid, R. Ayatollahi
× Majid, R. Ayatollahi× E., Mahdavi× M., J. Alborzi× 尾原, 祐三 |
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別言語の著者 |
尾原, 祐三
× 尾原, 祐三 |
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内容記述 | ||||||
内容記述 | Semi-circular bend specimen is one of the useful test specimens for determining fracture toughness of rock and geo-materials. Generally, in rock test specimens, initial cracks are produced in two shapes: straight-edge cracks and chevron notches. In this study, the minimum dimensionless stress intensity factors of semi-circular bend specimen (SCB) with straight-through and chevron notches are calculated. First, using finite element analysis, a suitable relation for the dimensionless stress intensity factor of SCB with straight-through crack is presented based on the normalized crack length and half-distance between supports. For evaluating the validity and accuracy of this relation, the obtained results are then compared with numerical and experimental results reported in the literature. Subsequently, by performing some experiments and also finite element analysis of the SCB specimen with chevron notch, the minimum dimensionless stress intensity factor of this specimen is obtained. Using the new equation for the dimensionless stress intensity factor of SCB with straight-through crack and an analytical method, i.e., Bluhm’s slice synthesis method, the minimum (critical) dimensionless stress intensity factor of chevron notched semi-circular bend specimens is calculated. Good agreement is observed between the results of two mentioned methods. | |||||
書誌情報 |
Rock Mechanics and Rock Engineering 巻 49, 号 4, p. 1161-1172, 発行年 2015-09-02 |
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ISSN | ||||||
収録物識別子 | 07232632 | |||||
書誌レコードID | ||||||
収録物識別子 | AA10636222 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
関連識別子 | 10.1007/s00603-015-0830-y | |||||
権利 | ||||||
権利情報 | © Springer-Verlag Wien 2015 | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
1704801 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
日本十進分類法 | ||||||
主題 | 560 | |||||
出版者 | ||||||
出版者 | Springer Vienna | |||||
資源タイプ | ||||||
内容記述 | 論文(Article) | |||||
資源タイプ・ローカル | ||||||
雑誌掲載論文 | ||||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
資源タイプ・ローカル表示コード | ||||||
01 | ||||||
URL | ||||||
内容記述 | https://link.springer.com/article/10.1007/s00603-015-0830-y |