Skipochka S., Krukovskyi O., Serhiienko V. Classification and rating of the main factors influenced on the mine working stability in uranium mines

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Parent Category: Geo-Technical Mechanics, 2025

Category: Geo-Technical Mechanics, 2025, Issue 173

Geotech. meh. 2025, 173, 22-38

 

CLASSIFICATION AND RATING OF THE MAIN FACTORS INFLUENCED ON THE MINE WORKING STABILITY IN URANIUM MINES

Skipochka S.

Krukovskyi O.

Serhiienko V.

M.S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine

UDC 622.83:539.2

Language: English

Abstract. The subject of the research is geomechanical processes in the rock massif during uranium mining and their impact on the stability of mine workings. The aim of the work is to assess the negative impact of mining enterprises on the environment, to classify the main factors influencing the stability of uranium mine workings and to determine the directions for increasing their stability. Research methods – analysis and generalization of the results of our own research, as well as data obtained by specialists from other scientific institutions in the mining sector. A classification of the impact of uranium ore mining and processing on the environment is developed. It is shown that the main role in the negative manifestations of mining production in the environment falls on geomechanical processes that provoke failures, subsidence and landslides of the earth's surface, as well as disruption of water circulation. To prevent or significantly reduce them, a number of modern effective means and technologies for mine working support are recommended. The main factors influencing the stability of workings are identified, and a block diagram of their interrelations is constructed. The classification is made, and the rating of the main elements of geological, geomechanical, technological and human factors influencing the stability of workings in uranium mines is determined. It is shown that in vertical shafts special attention should be concentrated on the areas of water inflows and zones of tectonic disturbances, and methods of non-destructive instrumental testing should be used for this purpose. In chambers, special attention should be paid to the justification of their sizes taking into account the rock physical and mechanical characteristics at the stage of preparing a block for its development. In development workings, especially with a long service life, it is necessary: at the stages of prospecting and design - to take into account data on tectonics, fracturing, stress-strain state of the massif, physical and mechanical properties of rocks, parameters of workings, their service life, type of support and depth of the deposit; at the driving stage – to observe strictly the technology and charts of support; during operation: to monitor regularly the state of the workings and supports and to control massif in order to identify hidden breaks and disintigrations. To reduce the costs of working support, it is recommended to use technologies based on synergetic effects in the rock massif.

Keywords: uranium deposits, mines, mine workings, sustainability, influencing factors, classification, rating, negative impact, prevention, recommendations.

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Skipochka Serhii, Doctor of Technical Sciences, Professor, Leading Researcher in Department of Rock Mechanics, M.S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine (IGTM of the NAS of Ukraine), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. (Corresponding author).

Krukovskyi Oleksandr, Corresponding Member of the National Academy of Sciences of Ukraine, Doctor of Technical Sciences, Deputy Director, M.S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine (IGTM of the NAS of Ukraine), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

Serhiienko Viktor, Candidate of Technical Sciences, Senior Researcher in Department of Rock Mechanics, M.S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine (IGTM of the NAS of Ukraine), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

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