全国炭鉱切羽炭壁の破砕性調査結果について

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タイトル別名
  • On the Results of Investigation for the Friability of Coal Face Underground in Japan
  • ゼンコク タンコウ キリハ タンペキ ノ ハサイセイ チョウサ ケッカ ニ ツイテ

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抄録

In this report, the results of investigation for the friability of coal face underground, which wouldbe the most useful index for the anticipation of face workability, at 141 working faces (62 coal mines) in Japan are descrived.<BR>These results were classified separately for each districts or working systems, i.e., blasting, coal pick, , coal cutter and planer mining, and then the friability measured at each coal face were compared with the working efficiency. Furthermore, from these results, we proposed the method of designation for the workability of coal face by the friability.

収録刊行物

  • 日本鑛業會誌

    日本鑛業會誌 75 (854), 519-526, 1959

    一般社団法人 資源・素材学会

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