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Article

Geomechanical Substantiation of the Technology of Constructing Modular Pile Foundations of Technological Platforms in Permafrost Rocks

by
Vladimir Leonidovich Trushko
1,
Vladimir Yakovlevich Klimov
2,
Elena Konstantinovna Baeva
3,* and
Anatoly Yurievich Ozhigin
4
1
Research Institute “Deep Metageology”, St. Petersburg Mining University of Empress Catherine II, 199106 St. Petersburg, Russia
2
Department of Supplementary Professional Skills, St. Petersburg Mining University of Empress Catherine II, 199106 St. Petersburg, Russia
3
Department of Construction of Mining Enterprises and Underground Structures, St. Petersburg Mining University of Empress Catherine II, 199106 St. Petersburg, Russia
4
The Research Center “Arctica”, St. Petersburg Mining University of Empress Catherine II, 199106 St. Petersburg, Russia
*
Author to whom correspondence should be addressed.
Geotechnics 2025, 5(4), 79; https://doi.org/10.3390/geotechnics5040079
Submission received: 14 October 2025 / Revised: 24 November 2025 / Accepted: 25 November 2025 / Published: 27 November 2025
(This article belongs to the Special Issue Recent Advances in Geotechnical Engineering (3rd Edition))
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Abstract

Existing pile foundations in the Arctic face significant limitations regarding bearing capacity, environmental impact, and dismantling capabilities. This study proposes and geomechanically justifies a novel technology for constructing dismantlable modular pile foundations in permafrost using a pile with a dome-plug (PDP). Comparative numerical modeling was conducted to analyze the bearing capacity of the proposed PDP versus a conventional pile without a dome-plug (PWDP) across six types of frozen rocks (clays, loams, sandy loams), specifically accounting for salinity. The results indicate that the dome-plug effectively transforms the shell pile into a combined pile-column, providing a bearing capacity increase ranging from 35% to 63%. Notably, the highest relative improvement was observed in the weakest saline rocks. The proposed technology serves as a superior alternative to traditional piling methods, enabling the deployment of modular foundations as a cost-effective and eco-friendly substitute for artificial soil islands.
Keywords: permafrost; piles; modular foundations; bearing capacity; Yamal Peninsula; numerical modeling; Arctic; Symmetrix technology permafrost; piles; modular foundations; bearing capacity; Yamal Peninsula; numerical modeling; Arctic; Symmetrix technology

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MDPI and ACS Style

Trushko, V.L.; Klimov, V.Y.; Baeva, E.K.; Ozhigin, A.Y. Geomechanical Substantiation of the Technology of Constructing Modular Pile Foundations of Technological Platforms in Permafrost Rocks. Geotechnics 2025, 5, 79. https://doi.org/10.3390/geotechnics5040079

AMA Style

Trushko VL, Klimov VY, Baeva EK, Ozhigin AY. Geomechanical Substantiation of the Technology of Constructing Modular Pile Foundations of Technological Platforms in Permafrost Rocks. Geotechnics. 2025; 5(4):79. https://doi.org/10.3390/geotechnics5040079

Chicago/Turabian Style

Trushko, Vladimir Leonidovich, Vladimir Yakovlevich Klimov, Elena Konstantinovna Baeva, and Anatoly Yurievich Ozhigin. 2025. "Geomechanical Substantiation of the Technology of Constructing Modular Pile Foundations of Technological Platforms in Permafrost Rocks" Geotechnics 5, no. 4: 79. https://doi.org/10.3390/geotechnics5040079

APA Style

Trushko, V. L., Klimov, V. Y., Baeva, E. K., & Ozhigin, A. Y. (2025). Geomechanical Substantiation of the Technology of Constructing Modular Pile Foundations of Technological Platforms in Permafrost Rocks. Geotechnics, 5(4), 79. https://doi.org/10.3390/geotechnics5040079

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