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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 Soobshcheniya</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_2023_2_51</article-id><article-id custom-type="elpub" pub-id-type="custom">vrgup-35</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>Корреляционные соотношения физико-механических характеристик грунтов, использованных при сооружении железнодорожного земляного полотна для развития транспортного комплекса в Азово-Черноморском регионе России</article-title><trans-title-group xml:lang="en"><trans-title>Correlation relations of physical and mechanical characteristics of soils used in the construction of a railway subgrade for the development of the transport complex in the Azov-Black Sea region of Russia</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>Окост</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Okost</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Окост Максим Викторович - кафедра «Путь и путевое хозяйство», кандидат технических наук, доцент</p></bio><bio xml:lang="en"><p>Okost Maksim Victorovich - Chair «Track and Track Facilities», Candidate of Engineering Sciences, Associated Professor</p></bio><email xlink:type="simple">cpd@rgups.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ростовский государственный университет путей сообщения (РГУПС)</institution></aff><aff xml:lang="en"><institution>Rostov State Transport University (RSTU)</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2023</year></pub-date><volume>0</volume><issue>2</issue><fpage>51</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Окост М.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Окост М.В.</copyright-holder><copyright-holder xml:lang="en">Okost M.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/35">https://vestnik.rgups.ru/jour/article/view/35</self-uri><abstract><p>Работа посвящена изучению физико-механических свойств глинистых и песчаных грунтов, использованных при строительстве нового и реконструкции существующего земляного полотна железных дорог по направлению Котельниково – Тихорецкая – Крымская для развития портов в Азово-Черноморском регионе России и построению корреляционных соотношений, полученных по результатам корреляционно-регрессионного анализа свойств грунтов. Такие соотношения могут оказаться востребованными при контроле точности лабораторных испытаний свойств грунтовых материалов и повысить скорость инженерно-геологических изысканий и подборе карьера при дальнейшем развитии дорожной сети в заданном регионе. Кроме того, регрессионные соотношения могут повысить скорость принятия решения о применении определенного вида грунта для восстановления земляного полотна с использованием некоторых характеристик, которые могут быть определены с наименьшими временными затратами.</p></abstract><trans-abstract xml:lang="en"><p>The work is devoted to the study of the physical and mechanical properties of clay and sandy soils used in the construction of a new and reconstruction of the existing railway subgrade in the direction of Kotelnikovo – Tikhoretskaya – Krymskaya for the development of ports in the Azov-Black Sea region of Russia and the construction of correlation ratios obtained from the results of correlation and regression analysis of soil properties. Such ratios may be in demand when monitoring the accuracy of laboratory tests of the properties of soil materials and increase the speed of engineering and geological surveys and the selection of a quarry with the further development of the road network in a given region. In addition, regression ratios can increase the speed of decision-making on the use of a specific type of soil for the reconstruction of the subgrade using certain characteristics that can be determined with the least time.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>земляное полотно</kwd><kwd>испытания</kwd><kwd>классификация грунтов</kwd><kwd>физико-механические характеристики</kwd><kwd>регрессионные соотношения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>subgrade</kwd><kwd>tests</kwd><kwd>classification of soils</kwd><kwd>physical and mechanical characteristics</kwd><kwd>regression relations</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда (проект №21-79-20005)</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">Захаров, С. М. 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