Soviet Mining

, Volume 15, Issue 1, pp 27–28 | Cite as

Influence of breakdown direction on blasting efficiency and degree of nonuniform crushing of hard rock

  • K. A. Dolgov
Rock Breaking


Crushing Hard Rock Ledge Rock Rock Blasting Column Charge 
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Literature Cited

  1. 1.
    K. N. Tkachuk, G. D. Mazai, and V. P. Parshin, “Utilization of the geological structure of the rock to increase blasting efficiency,” in: Razrab. Rudn. Mestorozhd. [Mining], No. 4, Kiev (1967).Google Scholar
  2. 2.
    A. V. Shamurin, A. A. Eshchenko, and O. G. Shekun, “Influence of breakdown direction and structure of rocks on quality of blasting,” in: Vzryv. Delo [Blasting], No. 70/27, Nedra, Leningrad (1971).Google Scholar
  3. 3.
    V. N. Kalinchenko, I. N. Usik, V. I. Il'in, et al., “Investigation of the interrelations between the properties of the rocks and the parameters of drilling and blasting operations in an open-cut mine of the Dneprovskii GOK,” in: Mekhan, i Razrush. Gorn. Porod [Rock Mechanics and Rock Breaking], No. 4, Kiev (1976).Google Scholar
  4. 4.
    Methodological Instructions on Blasting in Fractured Ledge Rock [in Russian], Apatity, Izd. KF Akad. Nauk SSSR (1975).Google Scholar
  5. 5.
    K. A. Dolgov, “Influence of jointing of the rock on the efficiency of rock crushing by blasting,” Fiz.-Tekh. Probl. Razrab. Polezn. Iskop., No. 4 (1976).Google Scholar
  6. 6.
    K. A. Dolgov, “Choice of optimum grades of explosive for breaking hard rocks,” Izv. Vyssh. Uchebn. Zaved., Gorn. Zh., No. 9 (1976).Google Scholar
  7. 7.
    K. A. Dolgov, “Determination of degree of nonuniform crushing of hard rocks by blasting,” Izv. Vyssh. Uchebn. Zaved., Gorn. Zh., No. 2 (1977).Google Scholar
  8. 8.
    Provisional Classification of Rocks by Degree of Jointing [in Russian], Izd. IGD im. A. A. Skochinskogo, Moscow (1963).Google Scholar
  9. 9.
    V. N. Mazanik, V. N. Kotyakov, and G. I. Sablin, “Rational schemes of short-delay blasting in jointed rocks for trench cutting,” Tsvetn. Metal., No. 19 (1969).Google Scholar
  10. 10.
    V. G. Zoteev, L. V. Mozhaev, and V. N. Morozov, “On the question of classification of iron-ore deposits in terms of block structure of the rocks and ores,” Tr. IGD Minchermet, No. 38 (1972).Google Scholar

Copyright information

© Plenum Publishing Corporation 1979

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  • K. A. Dolgov

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