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Elastoplastic problem for noncircular openings under Coulomb’s criterion

  • Geomechanics
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Journal of Mining Science Aims and scope

Abstract

An elastoplastic problem is considered for elliptical, arched, square and polygonal cross-section openings on the assumption of Coulomb’s limit equilibrium and varied lateral earth pressure coefficients in intact rock mass. The problem is solved using the method of small parameters and the finite element method. The elastoplastic solutions are obtained for mutually influencing underground openings. The mechanisms of concentration of vertical stresses in a pillar established between mutually influencing openings are determined.

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Authors and Affiliations

  1. National Mineral Resources University—Mining University, V.O. 21-aya liniya 2, Saint-Petersburg, 199026, Russia

    A. G. Protosenya, M. A. Karasev & N. A. Belyakov

Authors
  1. A. G. Protosenya
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  2. M. A. Karasev
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  3. N. A. Belyakov
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Correspondence to M. A. Karasev.

Additional information

Original Russian Text © A.G. Protosenya, M.A. Karasev, N.A. Belyakov, 2016, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2016, No. 1, pp. 71–81.

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Protosenya, A.G., Karasev, M.A. & Belyakov, N.A. Elastoplastic problem for noncircular openings under Coulomb’s criterion. J Min Sci 52, 53–61 (2016). https://doi.org/10.1134/S1062739116010125

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  • DOI: https://doi.org/10.1134/S1062739116010125

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