異方性を考慮した孔変形方式の応力解放地圧測定法の開発および等方解析の誤差 Development of Overcoring Stress Measurement Method Based on Borehole Deformation Taking into Account the Anisotropy and the Error by Assuming Isotropy

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Overcoring rock stress measurement method has been used in most of projects of constructing large rock caverns for hydro-power plants and oil storage in Japan. This is because the principle of the method is clear and reliable measurement devices have been developed. Overcoring stress measurement method is applicable to both isotropic and anisotropic rocks, but only methods assuming isotropy have been actually available in engineering. Rock is sometimes very anisotropic and the importance of considering anisotropy in rock stress measurement has been pointed out by several authors. One of the major reasons for the fact that there has been no practical method taking into account the anisotropy is that it has been very difficult to determine anisotropy of the rock at the location of the overcoring.<BR>In this paper, adopting a new method for determining orthotropic anisotropy by pressurizing a hollow cylinder, a practically applicable rock stress measurement method is developed. Then an example of applying the method to a field data is shown. Further, the error in the resultant stress state when isotropy is assumed for anisotropic rock is discussed through many simulations.

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 120(2), 79-84, 2004-02-25

    The Mining and Materials Processing Institute of Japan

参考文献:  11件中 1-11件 を表示

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  • 円錐孔底ひずみ法の異方性岩盤への適用に関する研究

    尾原 祐三 , 張 鉉國 , 村上 邦博 , 菅原 勝彦

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 111(13), 919-924, 1995-11-25

    参考文献9件 被引用文献2件

  • 地盤の異方弾性係数の実用的な測定解析法 : 中空円筒試料を用いて

    新 孝一

    土木学会論文集 = Proceedings of JSCE 722, 231-243, 2002-12-21

    J-STAGE 参考文献18件 被引用文献3件

各種コード

  • NII論文ID(NAID)
    10012099507
  • 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
    6868187
  • 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  NDL  J-STAGE 
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