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Stress State of Support System in Temporary Roadway in Unstable Rock Mass

  • GEOMECHANICS
  • Published:
Journal of Mining Science Aims and scope

Abstract

The authors estimate stress state in the support system and in rocks nearby a roadway driven in unstable rock mass and when the voids and cavities in the roadway roof are filled with hardening foam. The calculation includes an assumption that the support system, rocks and the hardening foam deform elastically. The stress distribution in the support system is determined at different heights of the rock cavity in the roof rocks in the roadway and at different initial stress state of rocks. The zones of potentially hazardous stress concentration in the support system are identified.

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Authors and Affiliations

  1. Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, 630091, Novosibirsk, Russia

    V. M. Seryakov & A. A. Krasnovsky

Authors
  1. V. M. Seryakov
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  2. A. A. Krasnovsky
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Correspondence to V. M. Seryakov.

Additional information

Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2022, No. 6, pp. 43-52. https://doi.org/10.15372/FTPRPI20220605.

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Seryakov, V.M., Krasnovsky, A.A. Stress State of Support System in Temporary Roadway in Unstable Rock Mass. J Min Sci 58, 911–919 (2022). https://doi.org/10.1134/S1062739122060059

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  • DOI: https://doi.org/10.1134/S1062739122060059

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