Перегляд Mining of Mineral Deposits по темі "stope face"

Зараз показуються 1-3 з 3

    • Experimental characteristics for deformation properties of backfill mass 

      Iordanov, Ihor; Novikova, Yuliia; Simonova, Yuliia; Yefremov, Oleh; Podkopayev, Yevgen; Korol, Anton (National Mining University, 2020-09-30)
      Purpose. Determining the deformation properties of backfill mass used to preserve the continuity of the coal-rock stratum enclosing mine workings. Methods. To achieve the purpose set, laboratory studies have been performed ...

    • Granulometric composition research of mine rocks as a material for backfilling the mined-out area in coal mines 

      Petlovanyi, Mykhailo; Malashkevych, Dmytro; Sai, Kateryna; Bulat, Ievgeniia; Popovych, Vasyl (Dnipro University of Technology, 2021-12-30)
      Purpose. Determination of the granulometric characteristics and loosening coefficient of mine rocks formed during stope operations from undercutting the bottom rocks as a potential backfill material based on a set of mine ...

    • Phenomena of stability of the coal seam roof with a yielding support 

      Podkopaiev, S; Gogo, V; Yefremov, I; Kipko, O; Iordanov, I; Simonova, Yu (National Mining University, 2019-12-30)
      Purpose. Determining the conditions and parameters for ensuring the stability of the coal seam roof with a yielding support in the area adjacent to face and behind it under the influence of dynamic loads based on the ...