炭層ガス抜孔におけるガス湧出量・ガス圧の実測結果の解析

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タイトル別名
  • Analyses of In-situ Measurements of Gas Emission and Gas Pressure in Pre-drainage Boreholes in Coal Seams.
  • タンソウ ガス ヌキコウ ニ オケル ガス ユウシュツリョウ ガスアツ ノ ジ

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抄録

The pre-drainage of methane gas from coal seams is adopted in cases where high emissions during development of headings and at the longwall result in stoppages at the face, or in seams where outbursts of gas and coal endanger workers and materials. The authors have proposed the approximate calculation method of unsteady gas pressure distribution in coal seams and gas emission into boreholes in cases of pre-drainage of gas. The paper shows some analyses of in-situ data with this C-function method.

収録刊行物

  • 資源と素材

    資源と素材 109 (5), 331-335, 1993

    一般社団法人 資源・素材学会

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