Browsing Mining of Mineral Deposits by Author "Feldman, E"

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    • Evolution of cracks in selvedge of the coal bed during its stationary working 

      Feldman, E; Kalugina, N; Chesnokova, O (National Mining University, 2017-06-30)
      Purpose. To study rupturing of the coal/rock seam selvedge by natural gas-filled cracks as phenomena that prepare and initiate sudden outbursts of coal, rock, and gas during the steady movement of the face. Methods. The ...