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Calculation model for breaking a lump off a rock mass by an impact of a blunt wedge-like tool

  • Rock Failure
  • Published:
Journal of Mining Science Aims and scope

Abstract

A mathematical model has been developed for the layer-by-layer fracture of a rock by a blunt wedge. The reduced efficiency of breaking by the blunt tool is estimated. It has been shown that there exists a limiting impact angle that confines the lump breaking off the rock mass.

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Authors and Affiliations

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

    G. V. Basheev, P. A. Martynyuk & E. N. Sher

Authors
  1. G. V. Basheev
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  2. P. A. Martynyuk
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  3. E. N. Sher
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Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 5, pp. 28–40, September–October, 2007.

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Basheev, G.V., Martynyuk, P.A. & Sher, E.N. Calculation model for breaking a lump off a rock mass by an impact of a blunt wedge-like tool. J Min Sci 43, 477–488 (2007). https://doi.org/10.1007/s10913-007-0050-2

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  • DOI: https://doi.org/10.1007/s10913-007-0050-2

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