堆積岩の真三軸応力下における強度特性と

DOI Web Site 被引用文献1件

書誌事項

タイトル別名
  • Characteristics of Strength in Sedimentary Rocks under True
  • タイセキガン ノ シン3ジク アッシュク オウリョクカ ニ オケル キョウド
  • Triaxial Compressional Stress State and the Increase of Brittleness on the Intermediate Stress
  • 中間主応力による脆性化について

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説明

Five sandstones, one shale, one limestone, and one marble in Japan were deformed experimentally for a study of the intermediate principal stress effect with a servo-controlled Mogi-type true triaxial compressional apparatus which allow us to control the three principal stresses, independently.<BR>The intermediate principal stress changes the strength of rocks up to 30% but affects little on the residual strength. It was found that the increase of the intermediate principal stress induces the transition from the ductile to the brittle fracturing or the increase of brittleness with reduction of the plastic component of volumetric strain. It was newly observed that the effect of the intermediate principal stress on the strength increased with increase of the minimum principal stress, and that ultimate strength decreased with increase of the intermediate principal stress beyond a certain value.

収録刊行物

  • 応用地質

    応用地質 24 (4), 150-157, 1983

    一般社団法人 日本応用地質学会

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