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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vrgup</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Ростовского государственного университета путей сообщения</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Rostovskogo gosudarstvennogo universiteta putej soobŝeniâ</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0201-727X</issn><publisher><publisher-name>Ростовский государственный университет путей сообщения</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.46973/0201-727X_2026_2_48</article-id><article-id custom-type="elpub" pub-id-type="custom">vrgup-329</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЖЕЛЕЗНОДОРОЖНЫЙ ПУТЬ И ТРАНСПОРТНОЕ СТРОИТЕЛЬСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RAIL TRACK AND TRANSPORT CONSTRUCTION</subject></subj-group></article-categories><title-group><article-title>Обоснование целесообразности адаптационных мероприятий при деградации многолетнемерзлых грунтов в основании транспортных сооружений</article-title><trans-title-group xml:lang="en"><trans-title>Justification of the feasibility of adaptation measures for permafrost degradation in the foundations of transport structures</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нагаев</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Nagaev</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нагаев Егор Игоревич, кафедра «Путь и путевое хозяйство», аспирант</p></bio><bio xml:lang="en"><p>Nagaev Egor Igorevich, Chair “Railway Track and Track Facilities”, Postgraduate Student</p></bio><email xlink:type="simple">einagaev@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Усов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Usov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Усов Дмитрий Андреевич, кафедра «Путь и путевое хозяйство», кандидат технических наук, доцент</p></bio><bio xml:lang="en"><p>Usov Dmitry Andreevich, Chair “Railway Track and Track Facilities”, Candidate of Engineering Sciences, Associate Professor</p></bio><email xlink:type="simple">usovda96@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ланис</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Lanis</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ланис Алексей Леонидович, кафедра «Путь и путевое хозяйство», доктор технических наук, профессор</p></bio><bio xml:lang="en"><p>Lanis Alexey Leonidovich, Chair “Railway Track and Track Facilities”, Doctor of Engineering Sciences, Professor</p></bio><email xlink:type="simple">alangeo@bk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Величко</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Velichko</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Величко Дмитрий Валерьевич, кафедра «Путь и путевое хозяйство», кандидат технических наук, доцент</p></bio><bio xml:lang="en"><p>Velichko Dmitry Valerievich, Chair “Railway Track and Track Facilities”, Candidate of Engineering Sciences, Associate Professor,</p></bio><email xlink:type="simple">velichko@stu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский государственный университет путей сообщения (СГУПС)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian Transport University (STU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Сибирский государственный университет путей сообщения (СГУПС)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian Transport University (SТU)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>29</day><month>07</month><year>2026</year></pub-date><volume>0</volume><issue>2</issue><fpage>48</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нагаев Е.И., Усов Д.А., Ланис А.Л., Величко Д.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Нагаев Е.И., Усов Д.А., Ланис А.Л., Величко Д.В.</copyright-holder><copyright-holder xml:lang="en">Nagaev E.I., Usov D.A., Lanis A.L., Velichko D.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestnik.rgups.ru/jour/article/view/329">https://vestnik.rgups.ru/jour/article/view/329</self-uri><abstract><p>В условиях изменения климата особую актуальность приобретает обеспечение устойчивой эксплуатации транспортной инфраструктуры, расположенной в зоне распространения многолетнемерзлых грунтов (ММГ). Для сооружений, эксплуатируемых по I принципу, повышение среднегодовых температур создает предпосылки для деградации ММГ, что приводит к развитию криогенных деформаций, снижению надежности и безопасности сооружения. В статье представлены результаты геокриологического моделирования системы «сооружение – основание» на участке железной дороги Чум – Лабытнанги в Ямало-Ненецком автономном округе, выполненного с использованием специализированных программных комплексов. Подтверждена возможность распространения базовой геокриологической модели на другие участки транспортной инфраструктуры путем сопоставления результатов численного моделирования с данными инженерно-геокриологического мониторинга, включая термометрические измерения в скважинах, не превышающих 0,1 °C. На основе анализа температурного поля и деформаций обоснован критерий целесообразности адаптационных мероприятий. Полученные результаты имеют практическое значение для обоснования долгосрочной стратегии адаптации транспортной инфраструктуры к климатическим изменениям.</p></abstract><trans-abstract xml:lang="en"><p>In the context of climate change, ensuring the sustainable operation of transport infrastructure located in permafrost zones has become particularly urgent. For structures operated according to Principle I (maintaining the frozen state of the ground), rising average annual temperatures create the conditions for permafrost degradation. This leads to the development of cryogenic deformations and reduction in the reliability and safety of the structures. This article presents the results of geocryological modeling of the "structure-foundation" system on the Chum-Labytnangi railway section in the Yamalo-Nenets Autonomous Okrug, conducted using specialized software packages. The possibility of extending the basic geocryological model to other sections of transport infrastructure was confirmed by comparing numerical modeling results with engineering-geocryological monitoring data; including temperature measurements in boreholes not exceeding 0.1°C. Based on the analysis of temperature fields and deformations, a criterion for the feasibility of adaptation measures is substantiated. The obtained results have practical significance for substantiating a long-term strategy for adapting transport infrastructure to climate change.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>деградация многолетнемерзлых грунтов</kwd><kwd>прогнозное моделирование</kwd><kwd>железнодорожный путь</kwd><kwd>криогенные деформации</kwd><kwd>изменения климата</kwd></kwd-group><kwd-group xml:lang="en"><kwd>degradation of permafrost soils</kwd><kwd>predictive modeling</kwd><kwd>railway track</kwd><kwd>cryogenic deformations</kwd><kwd>climate change</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Андреева, Т. С. Цена курса не изменит / Т. С. 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