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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">mirtr</journal-id><journal-title-group><journal-title xml:lang="ru">Мир транспорта</journal-title><trans-title-group xml:lang="en"><trans-title>World of Transport and Transportation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1992-3252</issn><publisher><publisher-name>Russian University of Transport (RUT)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30932/1992-3252-2022-20-6-4</article-id><article-id custom-type="elpub" pub-id-type="custom">mirtr-2403</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>НАУКА И ТЕХНИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SCIENCE AND ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Анализ взаимосвязи подуклонки рельсов и ширины колеи на основании данных вагонов-путеизмерителей</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of the Relationship between Rail Cant and Track Gauge Based on the Data Obtained by Track Recording Cars</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>Галлямов</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gallyamov</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Галлямов Дамир Ильдарович – преподаватель кафедры пути и путевого хозяйства</p><p>Самара </p></bio><bio xml:lang="en"><p>Gallyamov, Damir I., Lecturer at the Department of Track and Track Facilities</p><p>Samara </p></bio><email xlink:type="simple">d.gallyamov@samgups.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>Овчинников</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ovchinnikov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Овчинников Дмитрий Владиславович – кандидат технических наук, доцент, заведующий кафедрой пути и путевого хозяйства</p><p>Самара </p></bio><bio xml:lang="en"><p>Ovchinnikov, Dmitry V., Ph.D. (Eng), Associate Professor at the Department of Track and Track Facilities</p><p>Samara </p></bio><email xlink:type="simple">ovchinnikov@samgups.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Самарский государственный университет путей сообщения (СамГУПС)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Samara State Transport University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>19</day><month>07</month><year>2023</year></pub-date><volume>20</volume><issue>6</issue><fpage>27</fpage><lpage>34</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Галлямов Д.И., Овчинников Д.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Галлямов Д.И., Овчинников Д.В.</copyright-holder><copyright-holder xml:lang="en">Gallyamov D.I., Ovchinnikov 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://mirtr.elpub.ru/jour/article/view/2403">https://mirtr.elpub.ru/jour/article/view/2403</self-uri><abstract><p>Увеличение срока службы верхнего строения пути всегда было и остаётся актуальной задачей, так как это позволяет снизить издержки на ремонт и текущее содержание пути.</p><p>Целью данной работы является определение взаимного влияния подуклонки рельсов и ширины колеи на основании результатов измерений, проведённых вагоном-путеизмерителем, а также их влияния на напряжённо-деформированное состояние рельса. Для анализа использовались статистические методы и метод конечных элементов. Используя статистические методы, было определено, что величины подуклонки и ширина колеи не имеют нормального распределения и характеризуются слабой обратной связью. Сделаны выводы о причинах данных результатов.</p><p>Для определения методом конечных элементов контактных напряжений в головке рельса на участках пути, имеющихся в выборке, с различной комбинацией подуклонки и ширины колеи, была разработана модель с полным геометрическим подобием. Результаты, полученные в ходе расчётов, демонстрируют, что отклонение подуклонки в интервале от 1/15 до 1/30 приводит к росту напряжений более чем на 20 %, при этом изменение ширины колеи имеет слабое влияние на напряжённо-деформированное состояние головки рельса. Максимальный рост контактных напряжений на анализируемом участке составил 97 % при подуклонке 1/990 и ширине колеи 1526 мм.</p><p>Рост контактных напряжений приводит к образованию усталостных трещин и, как следствие, к образованию дефектов и замене рельса. Для увеличения срока службы рельсов рекомендуется следить за состоянием скреплений и соблюдением технологии выполнения работ по текущему содержанию, а также пересмотреть допуск отклонения подуклонки рельсов как в большую, так и в меньшую стороны.</p></abstract><trans-abstract xml:lang="en"><p>The increase in the service life of track superstructure has always been an important task since this allows reduction in the cost of repairs and current maintenance of the track.</p><p>The objective of the work is to determine the mutual influence of the rail cant and the track gauge based on the results of measurements carried out by track recording cars, as well as their impact on the stress-strain state of the rail. The analysis was based on statistical and the finite element methods. Using statistical methods, it was determined that the rail cant and track gauge values do not have a normal distribution and have a weak feedback. The reasons were explained in the conclusions.</p><p>To determine with the finite element method contact stresses in the rail head on the track sections available in the sample, with different combinations of rail cant and track gauge, a model with full geometric similarity was developed.</p><p>The results obtained from the calculations demonstrate that the deviation of the cant within the range from 1/15 to 1/30 leads to an increase in stresses by more than 20 %, while changing the track gauge has a weak effect on the stress-strain state of the rail head. The maximum increase in contact stresses, at the analysed section, was 97 %, with a cant of 1/990 and a track gauge of 1526 mm.</p><p>The growth of contact stresses leads to the formation of fatigue cracks and, as a consequence, to the defects and then to replacement of the rail. To increase the service life of the rails, it is recommended to monitor the condition of fasteners and compliance with the technology of current maintenance works, as well as to reconsider tolerance of the deviation of the cant both upward and downward.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>железнодорожный транспорт</kwd><kwd>ширина колеи</kwd><kwd>подуклонка рельсов</kwd><kwd>контакт колеса и рельса</kwd><kwd>контактные напряжения</kwd><kwd>метод конечных элементов</kwd><kwd>срок службы рельса</kwd></kwd-group><kwd-group xml:lang="en"><kwd>railway transport</kwd><kwd>track gauge</kwd><kwd>rail cant</kwd><kwd>wheel-rail contact</kwd><kwd>contact stresses</kwd><kwd>finite element method</kwd><kwd>rail service life</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">данная статья была написана в рамках научно-исследовательской и опытно-конструкторской работы «Влияние подуклонки рельсов на условия взаимодействия колеса и рельса с разработкой прибора определения статического угла наклона рельса» (№ 122022200418-2).</funding-statement><funding-statement xml:lang="en">the article was written within the framework of research and development work «Influence of rail cant on the conditions of interaction of wheel and rail followed by the development of the device to define statical angle of rail cant» (No. 122022200418–2).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Сычев В. 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