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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">10.22227/1997-0935.2025.4.529-544</article-id><article-id custom-type="elpub" pub-id-type="custom">mgssuvest-594</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>Использование натурального пуццолана в качестве улучшения портландцемента для производства бетона с экологическими свойствами («зеленый» бетон)</article-title><trans-title-group xml:lang="en"><trans-title>Using natural pozzolana as an improvement of Portland cement to manufacture concrete with environmental properties (Green Concrete)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3001-5030</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вассуф</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Wassouf</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мустафа Али Вассуф — инженер-строитель кафедры управления строительством, инженер, магистрант факультета гражданского строительства</p><p>г. Латакия</p><p>ResearcherID: HSF-7867-2023</p></bio><bio xml:lang="en"><p>Moustafa Ali Wassouf — civil engineer of the Department of Construction Management, engineer, master's student of the Faculty of Civil Engineering</p><p>Latakia</p><p>ResearcherID: HSF-7867-2023</p></bio><email xlink:type="simple">moustafa.wassouf@tishreen.edu.sy</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8429-6210</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Омран</surname><given-names>Д. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Omran</surname><given-names>J. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Джамал Юнис Омран — PhD в области инженерии управления строительными проектами, доцент, декан факультета гражданского строительства, факультет гражданского строительства</p><p>г. Латакия</p><p>Scopus: 57194594127, ResearcherID: ABF-2210-2021</p></bio><bio xml:lang="en"><p>Jamal Younis Omran — PhD in Construction Project Management Engineering, Professor, Dean of Faculty of Civil Engineering</p><p>Latakia</p><p>Scopus: 57194594127, ResearcherID: ABF-2210-2021</p></bio><email xlink:type="simple">j-omran@tishreen.edu.Sy</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8115-1887</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хейрбек</surname><given-names>А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kheirbek</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Али Хейрбек — доктор технических наук в области технологии бетона, строительных материалов, профессор, профессор факультета гражданского строительства</p><p>г. Латакия</p></bio><bio xml:lang="en"><p>Ali Kheirbek — PhD in Concrete Technology, Building Materials, Professor, Professor at the Faculty of Civil Engineering</p><p>Latakia</p></bio><email xlink:type="simple">alikheirbek@tishreen.edu.sy</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Университет Тишрин</institution><country>Сирия</country></aff><aff xml:lang="en"><institution>Tishreen University</institution><country>Syrian Arab Republic</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>30</day><month>04</month><year>2025</year></pub-date><volume>20</volume><issue>4</issue><fpage>529</fpage><lpage>544</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Вассуф М., Омран Д., Хейрбек А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Вассуф М., Омран Д., Хейрбек А.</copyright-holder><copyright-holder xml:lang="en">Wassouf M., Omran J., Kheirbek A.</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/594">https://www.vestnikmgsu.ru/jour/article/view/594</self-uri><abstract><sec><title>Введение</title><p>Введение. Строительная отрасль считается одной из основных причин ухудшения состояния окружающей среды из-за использования традиционных строительных материалов, таких как цемент. В результате возникает острая необходимость в разработке устойчивых альтернатив производству экологически чистого бетона с применением натуральных необработанных материалов. Признавая важность цемента для урбанизации человечества, следует отметить, что его широкое использование, несомненно, способствует глобальному потеплению, которое угрожает окружающей среде во всем мире из-за выбросов углекислого газа, когда ископаемое топливо применяется для расплавления продуктов, которые используются при его производстве, и представляют собой смесь глины, воды и извести для получения основного связующего материала, т.е. клинкера.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Цель исследования — изучение возможности замены портландцемента натуральным пуццоланом в соответствии с соотношениями замены в диапазоне от 10 до 50 %, а также изучение влияния этой замены на физические свойства, наиболее важными из которых являются теплопроводность и механические свойства, представленные сопротивлением простому давлению, с учетом следующих факторов: использование переработанного гравия в качестве альтернативы натуральному гравию.</p></sec><sec><title>Результаты</title><p>Результаты. Результаты показали, что при увеличении процентного содержания замены цемента пуццоланом повышается термостойкость бетона, так как замена цемента равной массой пуццолана приводит к снижению теплопроводности на 5 %. Кроме того, переработанные заполнители обладают большей термостойкостью по сравнению с натуральными заполнителями, даже если 50 % цемента заменено молотым пуццоланом. Отмечается увеличение стойкости более чем на 24 %, а снижение стойкости полученного бетона к простому давлению допустимо, если замена на пуццолан составляет менее 50 %.</p></sec><sec><title>Выводы</title><p>Выводы. Простые значения прочности при сжатии кубических образцов превышают минимальные пределы международных спецификаций на цементные блоки, что позволяет изготавливать цементные блоки с использованием вторичных заполнителей с возможностью замены цемента молотым пуццоланом в соответствии с различными коэффициентами замещения до 50 %.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The construction industry is considered as one of the major causes of environmental degradation due to the use of traditional building materials such as cement. As a result, there is an urgent need to develop sustainable alternatives to produce eco-friendly concrete using natural unprocessed materials. While acknowledging the importance of cement in the urbanization of mankind, it should be noted that its widespread use undoubtedly contributes to global warming which threatens the environment worldwide due to carbon dioxide emissions when fossil fuels are used to melt the products used in its manufacture, which are a mixture of clay, water and lime to produce the main binding material i.e. clinker.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The aim of the study is to investigate the possibility of replacing Portland cement with natural pozzolana according to replacement ratios ranging from 10 to 50 %, and to study the effect of this replacement on physical properties, the most important of which are thermal conductivity and mechanical properties represented by the resistance to simple pressure, taking into account the following factors: the use of recycled gravel as an alternative to natural gravel.</p></sec><sec><title>Results</title><p>Results. The results showed that increasing the percentage of cement replacement with pozzolana increases the thermal resistance of concrete, since replacing cement with an equal mass of pozzolana results in a 5 % reduction in thermal conductivity. In addition, recycled aggregates have higher thermal resistance compared to natural aggregates even when 50 % of cement is replaced by ground pozzolan. An increase in resistance of more than 24 % is observed, and a decrease in the simple pressure resistance of the resulting concrete is acceptable if the replacement with pozzolana is less than 50 %.</p></sec><sec><title>Conclusions</title><p>Conclusions. The simple compressive strength values of cubic specimens exceed the minimum limits of international specifications for cement blocks, which allows the manufacture of cement blocks using secondary aggregates with the possibility of replacing cement with ground pozzolana according to different replacement ratios up to 50 %.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>экологически чистые материалы</kwd><kwd>натуральный пуццолан</kwd><kwd>переработанная галька</kwd><kwd>теплопроводность</kwd><kwd>прочность при сжатии</kwd><kwd>обрабатываемость бетона</kwd><kwd>термическое сопротивление</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sustainable materials</kwd><kwd>natural pozzolana</kwd><kwd>recycled pebbles</kwd><kwd>thermal conductivity</kwd><kwd>resistance to simple pressure</kwd><kwd>workability of concrete</kwd><kwd>thermal resistance</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">Попов К.Н. 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