Justification of a method and equipment for construction of water-proof bulkheads in potash mines
D.I. Shishlyannikov1, K.A. Prosovskiy2, I.H. Tubeev1, D.S. Gribov2
1 Perm National Research Polytechnic University, Perm, Russian Federation
2 VNII Galurgii JSC, Saint Petersburg, Russian Federation
Russian Mining Industry №5 / 2025 p. 113-118
Abstract: The paper discusses issues related to protection of mine workings in salt mines from flooding. It is noted that the salt rock mass has a layered structure, and water-saturated rocks are often found above the productive strata. The productive strata and the water-saturated rocks are separated by a water-protective stratum (WPS), which prevents water from entering the mine workings. In most cases, water inflow into the mine workings occurs due to disintegration of the water-protective stratum, which makes it possible for the water to get from the aquifers into the mined-out space through the cracks. It is indicated that water-proof bulkheads are used to eliminate water inflow into the underground mine workings. A method to create water-proof bulkheads in potash mines is described, according to which a temporary bulkhead is erected first, then a permanent one is built, and the space between them is backfilled with salt wastes. The process of a water-proof bulkhead construction is shown to be characterized by high labour intensity and considerable time required due to the lack of mechanization means to perform these works. The urgency of developing mechanization means for construction of water-proof bulkheads has been justified. A design of a mobile rock-breaking machine is suggested, which allows to reduce labour intensity of the works to create niches for erection of the water-proof bulkheads at covering the driven mine workings.
Keywords: water-proof bulkhead, water-protective stratum, elimination of water inflow, mine workings, rock-breaking machine, niche for construction of water-proof bulkhead, salt mine, flooding of mine workings, support pillar
Acknowledgements: The research was carried out with the support of the Ministry of Science and Higher Education of the Russian Federation (Project No. FSNM-2023-0005).
For citation: Shishlyannikov D.I., Prosovskiy K.A., Tubeev I.H., Gribov D.S. Justification of a method and equipment for construction of water-proof bulkheads in potash mines. Russian Mining Industry. 2025;(5):113–118. (In Russ.) https://doi.org/10.30686/1609-9192-2025-5-113-118
Article info
Received: 19.05.2025
Revised: 09.07.2025
Accepted: 14.07.2025
Information about the authors
Dmitriy I. Shishlyannikov – Dr. Sci. (Eng.), Associate Professor, Professor of Mining Electromechanics Department, Perm National Research Polytechnic University, Perm, Russian Federation; https://orcid.org/0000-0002-7395-6869
Konstantin A. Prosovskiy – Leading Engineer, VNII Galurgii JSC in Saint-Petersburg, Saint-Petersburg, Russian Federation
Ibragim K. Tubeev – Postgraduate Student of Department of Mining Electromechanics, Perm National Research Polytechnic University, Perm, Russian Federation
Dmitry S. Gribov – Head of the Mining Department, VNII Galurgii JSC in Saint-Petersburg, Saint-Petersburg, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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