岩石の時間依存性を考慮した3次元FEM解析 Three-dimensional Time-dependent Analysis of Rock by Finite Element Method

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A constitutive equation formerly proposed by Okubo et al for one- and two-dimensional analysis was extended to the three-dimensional. The constitutive equation was developed on the basis of the non-linear visco-elastic theory, and it was successfully applied to one- and two-dimensional problems such as long-term stability of circular tunnel. In the three-dimensional analysis, a constant volume-modulus was assumed, and analogy with equations by Levy-Mises and Prantl-Reuss was discussed theoretically. Comprehensive FEM analysis simulating constant-strain compression tests was carried out with tetrahedron, prism or brick elements changing number of elements, confinement of specimen ends, coefficient of variation of strength for each element and loading rate. The simulation was performed beyond the peak strength and the complete stress-strain curves were obtained for all cases. The three-dimensional results were analogous to the two-dimensional and conformed to the experimental results. For example, the peak and residual strengths were found to increase with loading rate.

収録刊行物

  • 資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 114(2), 79-85, 1998-02-25

    The Mining and Materials Processing Institute of Japan

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  • 岩石の寸法効果と時間依存性挙動の計算機シミュレ-ションによる検討

    趙 顕 , 福井 勝則 , 大久保 誠介

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 111(9), 595-600, 1995-08-25

    参考文献15件 被引用文献7件

被引用文献:  3件中 1-3件 を表示

各種コード

  • NII論文ID(NAID)
    10002467088
  • NII書誌ID(NCID)
    AN10062646
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09161740
  • NDL 記事登録ID
    4424594
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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