Forecast temperature regime of Northern Railway embankment (in tundra near Hanovey station)
https://doi.org/10.33623/0579-9406-2022-2-49-58
Abstract
The article presents the results of field studies near Northern Railway embankment (Hanovey station) in fieldwork area of Geocryology Department (Lomonosov Moscow State University), where performed: cone penetration test, measuring thickness of active layer of and soil temperatures, monitoring settlement of embankment, laboratory tests. Mathematical model was compiled in the Qfrost program based on these data taking into account the unevenness of the snow cover in the study area. Calculations of the temperature regime of the embankment until 2050, carried out taking into account climatic changes (according to the RCP 4.5 scenario), showed that the thickness of the talik at the embankment will increase 40% in 30 years and without taking this factor into account — 17%. The article also discusses the features of the position and structure of the embankment, the composition and properties of frozen soils, which significantly affect the stability of the embankment.
About the Authors
P. I. Kotov
Lomonosov Moscow State University
Russian Federation
Russian Federation
Pavel I. Kotov
Moscow
V. S. Isaev
Lomonosov Moscow State University
Russian Federation
Russian Federation
Vladislav S. Isaev
Moscow
E. N. Ospennikov
Lomonosov Moscow State University
Russian Federation
Russian Federation
Evgeniy N. Ospennikov
Moscow
E. P. Sсibilia
Norwegian University of Science and Technology
Russian Federation
Russian Federation
Elena P. Sсibilia
Trondheim
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Review
For citations:
Kotov P.I., Isaev V.S., Ospennikov E.N., Sсibilia E.P. Forecast temperature regime of Northern Railway embankment (in tundra near Hanovey station). Moscow University Bulletin. Series 4. Geology. 2022;(2):49-58. (In Russ.) https://doi.org/10.33623/0579-9406-2022-2-49-58
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