Journal of Mining Science

, Volume 53, Issue 1, pp 77–83 | Cite as

Technology of Backfill Preparation Based on Cement-and-Slag Binder in Orlov Mine

  • L. A. Krupnik
  • Yu. N. Shaposhnik
  • S. N. Shaposhnik
  • G. T. Nurshaiykova
  • Z. K. Tungushbaeva
Mineral Mining Technology

Abstract

Geological characteristics of ore and enclosing rock mass at Orlov deposit, including Severnoe body of Novaya ore shoot, are given. The ore is extracted by underground method, with slicing and roomand- pillar, and sublevel caving. The technology of backfill preparation based on cement–slag binder is evaluated. After lab experimentation, the rational compositions of the backfill have been developed for Orlov Mine. It is found that activity of granular blast-furnace slag is conditioned by chemical composition, structure and, to a wide extent, by grinding fineness (specific surface). The technical-and-economic assessment of the new technology of backfill preparation has been carried out.

Keywords

Backfilling backfill granular blast-furnace slag backfill preparation flow charts 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • L. A. Krupnik
    • 1
  • Yu. N. Shaposhnik
    • 2
  • S. N. Shaposhnik
    • 3
  • G. T. Nurshaiykova
    • 3
  • Z. K. Tungushbaeva
    • 3
  1. 1.Kazakh National Technical UniversityAlmatyKazakhstan
  2. 2.Chinakal Institute of Mining, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  3. 3.East-Kazakhstan State Technical UniversityUst-KamenogorskKazakhstan

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