Analysis of the factors of loss of stability of vertical shaft lining during long-term operation in the Far North

The scientific article is aimed at studying the processes that lead to the loss of stability and support damage during long-term operation of a vertical shaft in the Arctic region. The knowledge of the main factors leading to the degradation of shaft lining material will allow to develop more effective methods and technologies to maintain their stability over a long period of operation. Important aspects of the research are the study of various environmental factors on the physical and mechanical properties of materials used for shaft lining, as well as the analysis of the behavior of geological layers in the Far North. The project includes an assessment of the impact of technological processes and operating conditions on the safety of shafts. The main objective of this study is to analyze the causes of loss of stability and failure of vertical shaft lining. Recommendations for improving the stability of vertical shafts are developed, which contributes to the effective development of the Far North regions, primarily in the resource extraction industry. The research includes the study of climatic factors, hydrogeological factors, cryolithozone conditions, the impact of freezing processes, historical aspects of site construction, and the impact of blasting. In addition to the study of archival documents, statistical information, field measurements, photo-documentation and studies of the construction material were carried out. The results of the study can be used in the mining industry, especially in the context of field development and design of underground structures in extreme climatic conditions.

Kotikov D. A., Veselova A. V., Romanova E. L., Demenkov P. A. Analysis of the factors of loss of stability of vertical shaft lining during long-term operation in the Far North. MIAB. Mining Inf. Anal. Bull. 2024;(11−1):57—80. [In Russ]. DOI: 10.25018/0236_1493_2024_111_0_57.

Kotikov D. A.¹, Cand. Sci. (Eng.), head of laboratory, https://orcid.org/0009−0006−8445−2689, e-mail: hromokot@list.ru;
Veselova A. V.¹, post-graduate student, https://orcid.org/0009−0004−6450−183X, e-mail: s225061@stud.spmi.ru;
Romanova E. L.¹, post-graduate student, https://orcid.org/0000−0002−4448−4292, e-mail: ekaterina.romanova.1997@mail.ru;
Demenkov P. A.¹, Dr. Sci. (Eng.), professor, dean of the Faculty of Construction, https:// orcid.org/0000−0003−1599−8080, e-mail: demenkov_pa@pers.spmi.ru;
¹ Empress Catherine II Saint-Petersburg Mining University, 199106, St. Petersburg, St. Petersburg, line 21-aya V. O., dom 2.

Veselova A. V., e-mail: s225061@stud.spmi.ru.

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