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Journal of Mining Science

, Volume 54, Issue 2, pp 226–236 | Cite as

Substantiation of Protective Cushion Thickness in Mining under Open Pit Bottom with the Caving Methods at Udachnaya Pipe

  • I. V. SokolovEmail author
  • A. A. Smirnov
  • Yu. G. Antipin
  • I. V. Nikitin
  • M. V. Tishkov
Mineral Mining Technology
  • 2 Downloads

Abstract

The results of the research aimed to substantiate parameters of loose ore and rock mass (protective cushion) formed to protect and isolate underground mines from the open pit mine at Udachnaya kimberlite pipe under mining with the caving methods are presented. The thickness of the cushion is determined based on the effect of an impact of caved rocks and the resultant air blast, and is meant to isolate aerodynamically and thermally the open pit and underground mines. The thickness of the protective cushion is calculated with regard to an increase in the depth of mining down to a level of –680 m.

Keywords

Kimberlite deposit protective rock mass caving methods mine ventilation ore drawing 

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Copyright information

© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  • I. V. Sokolov
    • 1
    Email author
  • A. A. Smirnov
    • 1
  • Yu. G. Antipin
    • 1
  • I. V. Nikitin
    • 1
  • M. V. Tishkov
    • 2
  1. 1.Institute of Mining, Ural BranchRussian Academy of SciencesYekaterinburgRussia
  2. 2.Yakutniproalmaz InstituteMirny, Republic of Sakha (Yakutia)Russia

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