Prerequisites for the field forecast of hazardous geomechanical phenomena during the construction of subway structures in St. Petersburg
Lebedev M.O.1, Romanevich V.K.1, Mulev S.N.2, Starnikov V.N.2
1 JSC “Research, Design and Survey Institute “Lenmetrogiprotrans”, St. Petersburg, Russian Federation
2 Research Institute of Mining Geomechanics and Mine Surveying – Interdisciplinary Research Center “VNIMI”, St. Petersburg, Russian Federation
Russian Mining Industry №1S / 2023 р. 150-158
Abstract: The article provides a brief description of St. Petersburg city geological structure, discusses the main features of the engineering-geological conditions of the bedrock clay strata and their impact on the safety of construction and operation the subway underground structures. The features of the mining method of excavation during the construction of capital and auxiliary mine workings are considered, also given some examples of emergency situations during their construction. It emphasizes the need to improve methods for preventing and predicting dangerous geomechanical processes and phenomena, when assessing the stability of the tunnel face and calculating the parameters of the lining. As a promising method for predicting dangerous geomechanical phenomena, the article considers a method for recording natural electromagnetic radiation of rocks, which is used to solve similar problems in other geological conditions. The results of experimental measurements of natural electromagnetic radiation of rocks are given. They were made during the construction of auxiliary mine workings and track tunnels of the St. Petersburg subway in the layers of Upper Kotlin bedrock clays. The results of laboratory experiments on uniaxial compression of Upper Kotlin bedrock clays samples before their destruction with simultaneous registration of acoustic and electromagnetic emission are presented. As a result of the field and experimental work carried out, unambiguous prerequisites were obtained for the possibility of the field forecast of dangerous geomechanical phenomena during the construction of subway structures in St. Petersburg.
Keywords: Upper Vendian Upper Kotlin clays, mining method of construction, mine working, track tunnel, subway, rock fall out, uniaxial compression, natural electromagnetic radiation
For citation: Lebedev M.O., Romanevich V.K., Mulev S.N., Starnikov V.N. Prerequisites for the field forecast of hazardous geomechanical phenomena during the construction of subway structures in St. Petersburg. Russian Mining Industry. 2023; (1 Suppl.):150–158. https://doi.org/10.30686/1609-9192-2023-S1-150-158
Article info
Received: 15.12.2022
Revised: 23.01.2023
Accepted: 26.01.2023
Information about the authors
Mikhail O. Lebedev – Cand. Sci. (Eng.), Deputy General Director for Research Work OJSC “Scientific Research, Design and Survey Institute “Lenmetrogiprotrans”, St. Petersburg, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Kirill V. Romanevich – Cand. Sci. (Eng.), Senior Researcher of the Research Department of OJSC “Scientific Research, Design and Survey Institute “Lenmetrogiprotrans”, St. Petersburg, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Sergey N. Mulev – Director for Science, JSC “Research Institute of Mining Geomechanics and Mine Surveying – Interdisciplinary Research Center “VNIMI”, St. Petersburg, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Valery N. Starnikov – Engineer, Geophysical Laboratory, JSC “Research Institute of Mining Geomechanics and Mine Surveying – Interdisciplinary Research Center “VNIMI”, St. Petersburg, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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