Journal of Mining Science

, Volume 36, Issue 1, pp 42–46 | Cite as

Formation of a borehole charge cavity in permanently frozen rocks

  • Yu. A. Khokholov
  • P. N. Vasilyev
  • A. P. Yefremov
  • S. M. Ognev
Rock Breaking
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  • 26 Downloads

Abstract

A method is considered for borehole charge cavity formation in permanently frozen rocks by delivering a heat carrier into the borehole under pressure in order to thaw the rocks. The calculation of time required for thawing of the latter is provided.

Keywords

Heat Carrier Thermal Conductivity Coefficient Cavity Radius Charge Shape Borehole Diameter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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References

  1. 1.
    E. I. Yefremova (ed.),Breaking of Rocks by Explosive Energy [in Russian], Nauk. Dumka, Kiev (1987).Google Scholar
  2. 2.
    RF Patent No. 2083949, 6 F 42 D 1/100 (1997).Google Scholar
  3. 3.
    E. A. Bondaryev, T. A. Kapitonova, and F. S. Popov, “Estimate of the accuracy of integral methods for solving the Stefan problem,” in:Thermophysical and Mass Exchange Properties of Hygroscopic Materials [in Russian], Izd. YaF SO RAN SSSR, Yakutsk (1977).Google Scholar
  4. 4.
    B. N. Yudayev,Heat Transfer [in Russian], Vysshaya Shkola, Moscow (1973).Google Scholar

Copyright information

© Kluwer Academic/Plenum Publishers 2000

Authors and Affiliations

  • Yu. A. Khokholov
  • P. N. Vasilyev
  • A. P. Yefremov
  • S. M. Ognev

There are no affiliations available

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