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A.M. Borgonutdinov, S.E. Rudov, I.V. Grigorev, D.S. Efimov, V.V. Shvetsova Complete text of the article:Download article (pdf, 1.9MB )UDС625.852DOI:10.37482/0536-1036-2022-2-146-158AbstractEconomic and social development of both the country as a whole and its individual regions is impossible without maintaining the required level of development and technical condition of the road network. This also applies directly to agricultural producers. Despite the fact that considerable funds are allocated for the construction and repair of roads, the service life of roads often does not meet the standard values. One of the reasons for the low service life of road structures are design errors related to the lack of data on the thermal conductivity of road construction materials, seasonal freezing of the roadbed, which together with unsatisfactory soil and hydrological conditions contribute to significant deformations. One of the main problems in the road industry at present is insufficient consideration of soil and hydrological conditions of the area, which are estimated approximately from topographic maps and materials of old documents or, at best, from the results of reconnaissance surveys. At the same time, it is often difficult to provide the required load-bearing capacity and frost resistance of road structures with an unsuccessfully selected, even short route, since when designing the roadbed, soil and hydrological conditions are secondary, and the choice of the route location is primary. It is well known effect when periodic freezing and thawing of the road surface leads to the appearance of alternating stresses, which significantly accelerate the destruction of the road surface and sometimes the foundation. A thorough understanding of the processes of freezing and thawing of the roadbed makes it possible to avoid design errors, and the significant financial losses associated with them, in the construction of long-distance forest roads. The article presents the features of processes occurring in the layers of road construction during seasonal freezing. Hypotheses about the processes of moisture migration in seasonally frozen soils, the influence of heat capacity and thermal conductivity of road construction materials on the course of these processes, as well as methods for modeling processes occurring in road structures under the influence of natural and climatic conditions are considered, and the results of the field experimental studies are presented.This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) license • The authors declare that there is no conflict of interest AuthorsAlbert M. Borgonutdinov1, Doctor of Engineering, Prof.; ORCID: https://orcid.org/0000-0002-7489-791XSergey E. Rudov2, Candidate of Engineering; ResearcherID: AAC-9563-2020, ORCID: https://orcid.org/0000-0002-9900-0929 Igor V. Grigorev3, Doctor of Engineering, Prof.; ResearcherID: S-7085-2016, ORCID: https://orcid.org/0000-0002-5574-1725 Denis S. Efimov4, Candidate of Engineering, Assoc. Prof.; ORCID: https://orcid.org/0000-0001-5684-9968 Affiliation1Perm National Research Polytechnic University, Komsomol’skiy prosp., 29, Perm, 614990, Russian Federation; е-mail: burgonutdinov.albert@yandex.ru2Military Academy of Communications named after Marshal of the Soviet Union S.M. Budyonny, Tikhoretskiy prosp., 3, K-64, Saint Petersburg, 194064, Russian Federation; e-mail: 89213093250@mail.ru 3Arctic State Agrotechnological University, sh. Sergelyakhskoye, 3-y km, 3, Yakutsk, 677007, Russian Federation; e-mail: silver73@inbox.ru 4Novocherkassk Engineering and Reclamation Institute named after A.K. Kortunov, ul. Pushkinskaya, 111, Novocherkassk, 346428, Russian Federation; e-mail: efimow.denis809@yandex.ru 5Saint Petersburg State University of Architecture and Civil Engineering, 2-ya Krasnoarmeyskaya ul., 4, Saint-Petersburg, 190005, Russian Federation; e-mail: viktoria.shvetsova20@mail.ru Keywordslong-distance forest roads, water and heat regime, forest roads, road structure, seasonal freezing, freezing zone, moisture sources, moisture migration, temperature sensorsFor citationBorgonutdinov A.M., Rudov S.E., Grigorev I.V., Efimov D.S., Shvetsova V.V. Experimental Studies of the Thermal Regime in the Pavement Layers of Long-Distance Forest Roads. Lesnoy Zhurnal [Russian Forestry Journal], 2022, no. 2, pp. 146–158. DOI: 10.37482/0536-1036-2022-2-146-158References
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