応力解放法による岩盤内の応力の測定に関する研究

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タイトル別名
  • Studies on the Stress Measurement by Stress Relief Technique
  • オウリョク カイホウホウ ニ ヨル ガンバン ナイ ノ オウリョク ノ ソクテイ ニ カンスル ケンキュウ

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抄録

Recently, in order to clarify earth pressure phenomena, the stress in rock has been frequently measured by stress relief technique. The measured stress, however, is the-disturbed stress by the opening in which the measuring apparatus is placed. As it is supposed that the knowledge of the original stress, the stress that, would exist if the opening were not made, will be helpful to the investigation of earth pressure phenomena, the authors have studied theoretically the method to find the original stress. It is found that the measurements of principal stress at more than three points on the wall surface of a drift or the measurements of deformation of a bore hole in more than six directions enable to determine the original state of stress The detailed method of calculation with an example of its application are suggested in this paper.

収録刊行物

  • 日本鑛業會誌

    日本鑛業會誌 79 (906), 1016-1022, 1963

    一般社団法人 資源・素材学会

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