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Scientific, Technological and Production Journal
ISSN 2079–3332 (print)
ISSN 3034-6835 (online)
founded in 2001

Optimization of dimension ratios of supporting enclosing structures for the protection of mining excavations

Original articles: 2026 No 1

Optimization of dimension ratios of supporting enclosing structures for the protection of mining excavations

DOI: 10.56195/20793332-2026-26-1-13-19

Read in pdf V. A. Kanin, Yu. A. Piven, B. V. Khokhlov, A. V. Antypenko
  1. Federal State Budgetary Scientific Institution “Republican Academic Scientific, Research and Design Institute for Mining Geology, Geomechanics, Geophysics and Mine Surveying”, Donetsk, Russian Federation
p. 13-19, No.1/2026
Abstract:
The article presents the results of studies aimed at solving the scientific and technical problem of protecting seam extraction roadways servicing high-load longwall faces under conditions of unstable surrounding rocks. It has been established that with increasing mining depth, the number of faces with a stable roof decrease significantly. It has been determined that the effectiveness of roadway protection under unstable rock conditions largely depends on the characteristics of the stress-strain state of the rock mass and the nature of its interaction with supporting structures. It is shown that the formation of zones of ultimate (limit) state around extraction roadways is determined by the combined influence of the strength properties of the surrounding rocks and the parameters of the applied support systems. It has been revealed that the behavior of supporting structures under ultimate deformation conditions follows a regular pattern and is governed by the ratio between their stiffness and the strength of the rock mass. It has been found that different combinations of the strength of supporting structures and surrounding rocks lead to the formation of failure zones that differ in configuration and scale. An assessment of the conditions of deformation of supporting structures and the development of failure in the surrounding rocks has been carried out. The regularities of the formation of failure zones around seam extraction roadways are presented. The research results may be useful for substantiating parameters and selecting support systems for seam extraction roadways in unstable surrounding rocks, as well as for developing measures to improve roadway stability in underground coal mining.
Keywords:
rock pressure, mining excavation, mine support, cast strips made of fast-setting mixtures
For citation:
Kanin V.A., Piven Yu A., Khokhlov B.V., Antypenko A.V. Optimization of dimension ratios of supporting enclosing structures for the protection of mining excavations. Mine Surveying and Subsurface Use. 2026;26(1):13-19. (In Russ.). https://doi.org/10.56195/20793332-2026-26-1-13-19.
Information about the authors:
  1. Vladimir A. Kanin – Dr. Sci. (Eng.), Leading Researcher of the Rock Pressure Department, Republican Academic Scientific, Research and Design Institute for Mining Geology, Geomechanics, Geophysics and Mine Surveying”, Donetsk, Russian Federation; Scopus Author ID 50961141800; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
  2. Yuri A. Piven – Cand. Sci. (Eng.), Leading Researcher of the Rock Pressure Department, Republican Academic Scientific, Research and Design Institute for Mining Geology, Geomechanics, Geophysics and Mine Surveying”, Donetsk, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
  3. Boris V. Khokhlov – Cand. Sci. (Eng.), Leading Researcher of the Rock Pressure Department, Republican Academic Scientific, Research and Design Institute for Mining Geology, Geomechanics, Geophysics and Mine Surveying”, Donetsk, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
  4. Anton V. Antypenko – Junior Researcher of the Rock Pressure Department, Research and Design Institute for Mining Geology, Geomechanics, Geophysics and Mine Surveying”, Donetsk, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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