軟岩トンネルの膨圧現象の挙動と地質特性

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書誌事項

タイトル別名
  • Behavior of Tunnel and Geological Property in the Squeezing Ground
  • ナンガン トンネル ノ ボウアツ ゲンショウ ノ キョドウ ト チシツ トクセイ

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説明

This report deals with the behavior of tunnel and the simple test in the squeezing ground. It is concluded from thecase analysis of tunneling and model experiments that squeezing pressure occurs when overburden pressure exceeds the rock strength, time dependency of squeezing pressure is not so large, and the concentration of stress in the ground around tunnel causes squeezing pressure at muddy ground only. From this point of view, I think that angle of internal friction in residual strength calculated by the cyclic box shear test is the main index for the estimate of squeezing pressure.

収録刊行物

  • 応用地質

    応用地質 44 (5), 294-302, 2003

    一般社団法人 日本応用地質学会

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