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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">mgssuvest</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник МГСУ</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik MGSU</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-0935</issn><issn pub-type="epub">2304-6600</issn><publisher><publisher-name>Moscow State University of Civil Engineering (National Research University) (MGSU)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/1997-0935.2023.12.1926-1936</article-id><article-id custom-type="elpub" pub-id-type="custom">mgssuvest-133</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>Строительное материаловедение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Construction material engineering</subject></subj-group></article-categories><title-group><article-title>Изменение состава и свойств дорожного битума при его термостабилизации</article-title><trans-title-group xml:lang="en"><trans-title>Changes in the structure and properties of road bitumen during its thermal stabilization</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6809-4993</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шестаков</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shestakov</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Игоревич Шестаков — кандидат технических наук, доцент, доцент кафедры градостроительства</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p>Scopus: 57205223447</p></bio><bio xml:lang="en"><p>Nikolay I. Shestakov — Candidate of Technical Sciences, Associate Professor of the Department of Urban Planning</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p><p>Scopus: 57205223447</p></bio><email xlink:type="simple">SHestakovNI@mgsu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4471-1827</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хохлова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Khokhlova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наталья Владимировна Хохлова — аспирант кафедры градостроительства, преподаватель специальных дисциплин</p><p>105082, г. Москва, Бакунинская, д. 81</p></bio><bio xml:lang="en"><p>Natalia V. Khokhlova — postgraduate, lecturer of special disciplines</p><p>81 Bakuninskaya st., Moscow, 105082</p></bio><email xlink:type="simple">Natalyahoh@bk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1634-0152</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васильев</surname><given-names>Ю. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasiliev</surname><given-names>Yu. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юрий Эммануилович Васильев — доктор технических наук, доцент, заведующий кафедрой дорожно-строительных материалов</p><p>125319, г. Москва, Ленинградский пр-т, д. 64</p><p>РИНЦ ID: 285866, Scopus: 57205604432, ResearcherID: I-8197-2013</p></bio><bio xml:lang="en"><p>Yuri E. Vasiliev — Doctor of Technical Sciences, Associate Professor, Head of of the Department of Road Construction Materials</p><p>64 Leningradsky prospect, Moscow, 125319</p><p>ID RSCI: 285866, Scopus: 57205604432, ResearcherID: I-8197-2013</p></bio><email xlink:type="simple">yu.vasilev@madi.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Менькина</surname><given-names>У. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Menkina</surname><given-names>U. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ульяна Олеговна Менькина — ассистент, аспирант кафедры дорожно-строительных материалов</p><p>125319, г. Москва, Ленинградский пр-т, д. 64</p></bio><bio xml:lang="en"><p>Uliana O. Menkina — assistant, postgraduate student of the Department of Road Construction Materials</p><p>64 Leningradsky prospect, Moscow, 125319</p></bio><email xlink:type="simple">Uliana.mienkina@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский Московский государственный строительный университет (НИУ МГСУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Civil Engineering (National Research University) (MGSU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский автомобильно-дорожный колледж им. А.А. Николаева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Automobile and Road College named after A.A. Nikolaev</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский автомобильно-дорожный государственный технический университет (МАДИ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Automobile and Road State Technical University (MADI)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>22</day><month>12</month><year>2023</year></pub-date><volume>18</volume><issue>12</issue><fpage>1926</fpage><lpage>1936</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шестаков Н.И., Хохлова Н.В., Васильев Ю.Э., Менькина У.О., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Шестаков Н.И., Хохлова Н.В., Васильев Ю.Э., Менькина У.О.</copyright-holder><copyright-holder xml:lang="en">Shestakov N.I., Khokhlova N.V., Vasiliev Y.E., Menkina U.O.</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://www.vestnikmgsu.ru/jour/article/view/133">https://www.vestnikmgsu.ru/jour/article/view/133</self-uri><abstract><sec><title>Введение</title><p>Введение. Нефтяной дорожный битум является основным компонентом дорожных покрытий, которые играют важную роль в обеспечении безопасности и комфорта движения транспортных средств. Со временем битум подвергается старению, что приводит к изменению его физических и химических свойств. Такие изменения вызывают снижение качества дорожных покрытий, ухудшение их эксплуатационных характеристик и уменьшение долговечности. Проведен анализ исследований в области термостабилизации битума, что имеет большое значение для оптимизации технологических процессов при высоких температурах. Определен оптимальный состав модифицированных битумов с применением стеариновой кислоты, индустриального масла.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Термическая устойчивость битума — важное условие для сохранения его качества на всех этапах жизненного цикла. Рассматривается вопрос термостабилизации битума с использованием стеариновой кислоты Т-18 в комплексе с индустриальным маслом И-20, которые приводят к повышению устойчивости от воздействия внешних факторов. Для установления степени влияния модифицирующих компонентов на свойства битума выполнен двухфакторный ротатабельный эксперимент с варьированием количества добавок индустриального масла и стеариновой кислоты.</p></sec><sec><title>Результаты</title><p>Результаты. Исследованы составы и свойства полученных модифицированных битумов. Анализ полученных результатов показывает, что воздействие стеариновой кислоты на пенетрацию битума примерно в 6 раз выше, чем воздействие индустриального масла, в то время как оба компонента совместно оказывают незначительное влияние на другие исследуемые свойства битума.</p></sec><sec><title>Выводы</title><p>Выводы. Для дальнейшего изучения термической устойчивости на оптимальных вариантах битумных композиций выполнены исследования по сохранению массы пленок битума при температурах от 160 до 220 °C. По полученным результатам определено, что эффективность стеариновой кислоты проявляется при повышенных температурах и достигает значений до 25 %.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Petroleum bitumen is the main component of road surfaces, which play an important role in ensuring the safety and comfort of vehicle traffic. Over time, bitumen undergoes ageing, which leads to changes in its physical and chemical properties. Such changes cause a decrease in the quality of road surfaces, deterioration of their performance characteristics and reduction of durability. The analysis of research in the field of bitumen thermal stabilization, which is of great importance for optimization of technological processes at high temperatures, was carried out. The optimal composition of modified bitumen using stearic acid, industrial oil was determined.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Bitumen undergoes serious changes during technological processes, during the transition from the bulk to the film state under the influence of high temperatures. Thus, thermal stability of bitumen is an important condition for preserving its quality at all stages of its life cycle. The issue of bitumen thermal stabilization with the use of stearic acid T-18 in combination with industrial oil I-20, which lead to increased resistance from external factors, is considered. To establish the degree of influence of modifying components on bitumen properties, a two-factor rotatable experiment with varying the amount of industrial oil and stearic acid additives, was performed.</p></sec><sec><title>Results</title><p>Results. The compositions and properties of the obtained modified bitumen were studied. The analysis of the obtained results shows that the effect of stearic acid on bitumen penetration is about 6 times higher than the effect of industrial oil, while both components together have insignificant effect on the other studied properties of bitumen.</p></sec><sec><title>Conclusions</title><p>Conclusions. In order to further study thermal stability on the optimal versions of bitumen compositions, studies on mass retention of bitumen films at temperatures from 160 to 220 °C were performed. According to the obtained results, it was found that the effectiveness of stearic acid is manifested at higher temperatures and reaches values up to 25 %.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>битум</kwd><kwd>термостабилизация</kwd><kwd>стеариновая кислота</kwd><kwd>индустриальное масло</kwd><kwd>потеря массы</kwd><kwd>старение битума</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bitumen</kwd><kwd>thermal stabilization</kwd><kwd>stearic acid</kwd><kwd>industrial oil</kwd><kwd>weight loss</kwd><kwd>bitumen ageing</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">Петрова Л.М., Зайдуллин И.М., Аббакумова Н.А., Хуснутдинов И.Ш., Кашапова Р.Р. Информативность параметров состава и строения битумов для оценки их сопротивления старению // Вестник Казанского технологического университета. 2011. № 10. С. 131–134. 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