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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">sat</journal-id><journal-title-group><journal-title xml:lang="ru">НАУКА и ТЕХНИКА</journal-title><trans-title-group xml:lang="en"><trans-title>Science &amp; Technique</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-1031</issn><issn pub-type="epub">2414-0392</issn><publisher><publisher-name>Belarusian National Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/2227-1031-2024-23-2-140-150</article-id><article-id custom-type="elpub" pub-id-type="custom">sat-2760</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>СТРОИТЕЛЬСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CIVIL AND INDUSTRIAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Сравнительный анализ изменения свойств модифицированных асфальтобетонов в зависимости от способа модификации и концентрации полимера в вяжущем</article-title><trans-title-group xml:lang="en"><trans-title>Comparative Analysis of Property Changes in Modified Asphalt Concretes Depending on the Modification Method and Polymer Concentration in the Binder</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>Яцевич</surname><given-names>П. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Yatsevich</surname><given-names>P. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магистр технических наук</p><p>Адрес для переписки:Яцевич Павел Петрович –Белорусский национальный технический университет, пр. Независимости, 65,220013, г. Минск, Республика БеларусьТел.: +375 17 338-78-40</p></bio><bio xml:lang="en"><p>Address for correspondence:Yatsevich Pavel Р. –Belarusian National Technical University,65, Nezavisimosty Ave.,220013, Minsk, Republic of BelarusTel.: +375 17 338-78-40cniidsgm@bntu.by</p></bio><email xlink:type="simple">cniidsgm@bntu.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский национальный технический университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian National Technical University</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>05</day><month>04</month><year>2024</year></pub-date><volume>23</volume><issue>2</issue><fpage>140</fpage><lpage>150</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Яцевич П.П., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Яцевич П.П.</copyright-holder><copyright-holder xml:lang="en">Yatsevich P.P.</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://sat.bntu.by/jour/article/view/2760">https://sat.bntu.by/jour/article/view/2760</self-uri><abstract><p>Широкое применение полимеров различной природы для модификации асфальтобетонных смесей ставит задачу по определению наиболее оптимального метода их введения в состав асфальтобетонной смеси. В работе рассматриваются варианты сухого введения и через предварительную модификацию битума. При этом оцениваются изменения свойств асфальтобетонов, отражающих условия работы материала в широком диапазоне температур, и учитываются технологические особенности при устройстве покрытия в зависимости от количественной концентрации полимерного модификатора в вяжущем. Исследования наглядно показали, что оптимальной для достижения высокотемпературных показателей асфальтобетонов, с точки зрения расхода полимера, является предварительная модификация битума, которая позволяет оптимизировать распространение модификатора по объему асфальтобетонной смеси. Также показано, что предпочтительными для модификации являются асфальтобетоны с высоким содержанием вяжущего, так как битум является основным компонентом взаимодействия с полимерами и, чем толще пленка битума, тем более оптимально протекает этот процесс. Кроме того, исследования показали негативное влияние относительно высокого содержания термопласта на низкотемпературные и технологические свойства асфальтобетонных смесей, которые могут приводить к снижению устойчивости асфальтобетона к коррозионным разрушениям.</p></abstract><trans-abstract xml:lang="en"><p>The widespread use of polymers of various types for modifying asphalt concrete mixtures poses the task of determining the most optimal method for their introduction into the composition of asphalt concrete mixtures. The study considers options for dry introduction and pre-modification of bitumen. In this context, changes in the properties of asphalt concrete that reflect the material performance in a wide range of temperature are assessed. Technological aspects during construction of the pavement are also taken into account, depending on the quantitative concentration of the polymer modifier in the binder. The research has clearly demonstrated that the optimal way to achieve  high-temperature properties of asphalt in terms of polymer consumption, is pre-modification of bitumen, which allows optimizing the distribution of the modifier throughout the volume of the asphalt concrete mixture. Additionally, the research has shown that asphalt concretes with a high binder content are preferable for modification because bitumen is the primary component in interaction with polymers, and the thicker the bitumen film, the more optimally this process occurs. In addition, the studies have  revealed the negative influence of relatively high thermoplastic content on the low-temperature and technological properties of asphalt concrete mixtures, which can lead to a decrease in the resistance of asphalt concrete to corrosion damage.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>асфальтобетонная смесь</kwd><kwd>асфальтобетон</kwd><kwd>максимальная структурная прочность</kwd><kwd>водонасыщение</kwd><kwd>технологические свойства</kwd><kwd>хрупкость</kwd><kwd>концентрация полимера</kwd><kwd>термопласты</kwd><kwd>эластопласты</kwd><kwd>модификация битума</kwd><kwd>модификация асфальтобетона</kwd></kwd-group><kwd-group xml:lang="en"><kwd>asphalt concrete mixture</kwd><kwd>asphalt concrete</kwd><kwd>maximum structural strength</kwd><kwd>water saturation</kwd><kwd>technological properties</kwd><kwd>brittleness</kwd><kwd>polymer concentration</kwd><kwd>thermoplastics</kwd><kwd>elastoplasts</kwd><kwd>bitumen modification</kwd><kwd>asphalt concrete modification</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">Долговечные асфальтобетонные покрытия автомобильных дорог, мостов и улиц / В. 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