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Intensity of dust formation under permafrost conditions

  • Mine Aerodynamics
  • Published:
Soviet Mining Aims and scope

Summary

  1. 1.

    During roadway drivage in the permafrost zone, the yield of fine dust fractions increases with falling temperature and we therefore observe an increase in the dust-formation intensity.

  2. 2.

    The increase in dust-formation intensity is due to a change in the frozen rock's physicomechanical properties (hardness, brittleness, viscosity and moisture content).

  3. 3.

    The authors' empirical equations can be used for forecasting the dust-formation intensity during mining of different zones and horizons with different geocryological conditins, so as to calculate the optimal ventilation conditions.

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Literature Cited

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Authors
  1. V. V. D'yakov
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  2. E. T. Voronov
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Additional information

ZabNII, Chita. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 4, pp. 121–125, July–August, 1967.

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D'yakov, V.V., Voronov, E.T. Intensity of dust formation under permafrost conditions. Soviet Mining Science 3, 414–417 (1967). https://doi.org/10.1007/BF02497568

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  • DOI: https://doi.org/10.1007/BF02497568

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