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Specific surface energy: A new index of rock crushability and its application to blasting calculations

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Summary

  1. 1.

    A calorimetric method can, in principle, be used to determine a physical constant of the rock—its specific surface energy of fragmentation.

  2. 2.

    Since the specific surface energy of fragmentation of a rock should not depend on the method of fragmentation, its value, found by the calorimetric method, can serve as the principal physical index of the rock's resistance to mechanical fragmentation.

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Literature Cited

  1. L. I. Baron, Yu. G. Konyashin, and Z. M. Kurbatov, The Crushabilities of Rocks [in Russian], Moscow, Izd. An SSSR (1963).

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  2. L. I. Baron, B. M. Loguntsov, and E. Z. Pozin, Determining the Properties of Rocks [in Russian], Moscow, Gosgortekhizdat (1962).

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  3. V. V. Rzhevskii and G. Ya. Novik, Basic Physics of Rocks [in Russian], Moscow, Nedra (1964).

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Authors
  1. Yu. M. Michik
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  2. K. A. Dolgov
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Additional information

Mining Institute, Leningrad. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 2, pp. 104–107, March–April, 1967.

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Michik, Y.M., Dolgov, K.A. Specific surface energy: A new index of rock crushability and its application to blasting calculations. Soviet Mining Science 3, 186–188 (1967). https://doi.org/10.1007/BF02497286

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  • DOI: https://doi.org/10.1007/BF02497286

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