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Features of forming a charge column using packaged explosives in flooded holes in open mining

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Abstract

The results are presented for stand testing of processes that take place in charging holes by cartridges of hydrolabile explosives with permeating and insulating covers. Parameters of hole capacity, water level rise at charging, contact ratio for water and charge column, no-break term for hole charging are determined, and costs of blasting are estimated. Based on commercial test data, a conclusion is drawn on expediency of turbo-blasting of charges with smaller diameter in flooded sections of a rock massif.

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References

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Authors and Affiliations

  1. “Novosibirskvzryvprom” Joint-Stock Company, Novosibirsk, Russia

    A. N. Grishin

  2. Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    S. V. Muchnik

Authors
  1. A. N. Grishin
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  2. S. V. Muchnik
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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 3, pp. 56–62, May–June, 2006.

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Grishin, A.N., Muchnik, S.V. Features of forming a charge column using packaged explosives in flooded holes in open mining. J Min Sci 42, 251–256 (2006). https://doi.org/10.1007/s10913-006-0053-4

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  • DOI: https://doi.org/10.1007/s10913-006-0053-4

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