大深度に対応できる底面摩擦模型実験装置の開発　新しい底面摩擦模型実験装置の開発とその応用　（第１報）

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タイトル別名
  • Development of the Base Friction Model Testing Apparatus for Underground Utilization at a Depth. Development and application of a new base friction model testing apparatus. (1st Report).
  • ダイシンド ニ タイオウデキル テイメン マサツ モケイ ジッケン ソウチ ノ
  • Development and application of a new base friction model testing appamtus (1stReport)
  • 新しい底面摩擦模型実験装置の開発とその応用 (第1報)

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抄録

The base friction technique is one of the effective and quantitative experimental methods to predict the behavior of rock structures under gravity field. Many kinds of original base friction apparatuses have been developed and effectively used for studying stability of roof and settlement of ground surface due to shallow underground excavation.<BR>This study describes a trial production of the newbase friction apparatus for underground utilization at a depth, though current base friction apparatuses have been limited for fitting within shallow depth. In the newly developed base friction apparatus, friction force on the plate and external forces by jacks and rubber bags in vertical and horizontal directions, respectively, are simultaneously applied to produce a high stress field. Air pressure working on the model surface can be increased up to 600 kPa. Urethane or teflon base can be selected as frictional plate according to the purpose of tests.<BR>It is concluded, by some illustrative experiments, that this development of the new base friction apparatus enables quantitative research on stability of opening in the deep underground.

収録刊行物

  • 資源と素材

    資源と素材 109 (7), 537-542, 1993

    一般社団法人 資源・素材学会

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