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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">bzhb</journal-id><journal-title-group><journal-title xml:lang="ru">Бетон и железобетон</journal-title><trans-title-group xml:lang="en"><trans-title>Concrete and Reinforced Concrete</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0005-9889</issn><issn pub-type="epub">3034-1302</issn><publisher><publisher-name>АО «НИЦ «Строительство»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37538/8/0005-9889-2026-3(634)-34-41</article-id><article-id custom-type="edn" pub-id-type="custom">DALUFV</article-id><article-id custom-type="elpub" pub-id-type="custom">bzhb-263</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>СТРОИТЕЛЬНЫЕ МАТЕРИАЛЫ И ИЗДЕЛИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING MATERIALS AND PRODUCTS</subject></subj-group></article-categories><title-group><article-title>Возможность использования дробленого пэт-пластика для замещения мелкого заполнителя бетонной смеси</article-title><trans-title-group xml:lang="en"><trans-title>Possibility to use crushed pet plastic to replace the fine filler in concrete mixture</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7191-0544</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Субботин</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Subbotin</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Субботин Артем Сергеевич, кандидат технических наук, доцент кафедры строительства объектов тепловой и атомной энергетики</p><p>Ярославское шоссе, д. 26, г. Москва, 129337</p></bio><bio xml:lang="en"><p>Subbotin Artem S., candidate of technical sciences, associate professor of the department of construction of thermal and nuclear power facilities</p><p>Yaroslavskoye Shosse, 26, Moscow, 129337</p></bio><email xlink:type="simple">subbotin-art@mail.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/0009-0008-2556-4212</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Морогов</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Morogov</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Морогов Константин Сергеевич, бакалавр</p><p>Ярославское шоссе, д. 26, г. Москва, 129337</p></bio><bio xml:lang="en"><p>Konstantin S. Morogov, bachelor</p><p>Yaroslavskoye Shosse, 26, Moscow, 129337</p></bio><email xlink:type="simple">kmorogoff@yandex.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/0009-0000-7551-0310</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бальхаев</surname><given-names>Д. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Balkhaev</surname><given-names>D. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бальхаев Дмитрий Доржиевич, бакалавр</p><p>Ярославское шоссе, д. 26, г. Москва, 129337</p></bio><bio xml:lang="en"><p>Balkhaev Dmitry D., bachelor</p><p>Yaroslavskoye Shosse, 26, Moscow, 129337</p></bio><email xlink:type="simple">dima.balkhaev@mail.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>Гетигежев</surname><given-names>М. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Getigezhev</surname><given-names>M. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гетигежев Марат Далимбекович, бакалавр</p><p>Ярославское шоссе, д. 26, г. Москва, 129337</p></bio><bio xml:lang="en"><p>Getigezhev Marat D., bachelor</p><p>Yaroslavskoye Shosse, 26, Moscow, 129337</p></bio><email xlink:type="simple">getigezhev.04@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «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)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>22</day><month>07</month><year>2026</year></pub-date><volume>634</volume><issue>3</issue><fpage>34</fpage><lpage>41</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Субботин А.С., Морогов К.С., Бальхаев Д.Д., Гетигежев М.Д., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Субботин А.С., Морогов К.С., Бальхаев Д.Д., Гетигежев М.Д.</copyright-holder><copyright-holder xml:lang="en">Subbotin A.S., Morogov K.S., Balkhaev D.D., Getigezhev M.D.</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.bzhb.ru/jour/article/view/263">https://www.bzhb.ru/jour/article/view/263</self-uri><abstract><sec><title>Введение</title><p>Введение. Накопление неразлагаемых пластиковых отходов, в частности полиэтилентерефталата (ПЭТ), является острой экологической проблемой. Поиск путей утилизации ПЭТ в строительных материалах позволяет снизить нагрузку на полигоны и сберечь природные ресурсы.</p></sec><sec><title>Цель</title><p>Цель. Экспериментальная оценка влияния частичной замены мелкого заполнителя дробленым ПЭТ-пластиком на физико-механические свойства мелкозернистого бетона.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Исследовались четыре состава бетона (цемент: песок = 1:3, В/Ц=0,55): контрольный (без добавок) и составы с заменой песка по объему на 5 %, 10 % и 15 % дробленым ПЭТ фракции 2–5 мм. Образцы-кубы 70 х 70 мм испытывались на прочность при сжатии, определялись средняя плотность и водопоглощение в возрасте 28 суток.</p></sec><sec><title>Результаты</title><p>Результаты. Установлено, что введение пластика приводит к снижению средней плотности (до 8 % при 15 % ПЭТ) и прочности при сжатии. Наибольшая прочность из модифицированных составов зафиксирована при дозировке 5 % ПЭТ (падение на 12,5 % относительно контроля). Дальнейшее увеличение содержания пластика до 15 % вызывает резкое падение прочности (на 31 %) и рост водопоглощения в 2,1 раза. </p></sec><sec><title>Выводы</title><p>Выводы. Оптимальной дозировкой, обеспечивающей приемлемые для ряда строительных растворов характеристики, является замена 5–10 % песка по объему. Полученный материал может быть рекомендован для ненесущих конструкций, тротуарной плитки и элементов благоустройства.</p></sec><sec><title> </title><p> </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The accumulation of non-degradable plastic waste, in particular polyethylene terephthalate (PET), is an acute environmental problem. Finding ways to recycle PET in building materials can reduce the load on landfills and conserve natural resources.</p></sec><sec><title>Aim</title><p>Aim. Experimental evaluation of the effect of partial replacement of fine aggregate with crushed PET plastic on the physico-mechanical properties of fine-grained concrete.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Four concrete compositions were studied (cement: sand = 1:3, W/C=0.55): control (without additives) and compositions with the replacement of sand by volume by 5 %, 10 % and 15 % with crushed PET fractions of 2–5 mm. The 70 x 70 mm cube samples were tested for compressive strength, average density and water absorption were determined at the age of 28 days.</p></sec><sec><title>Results</title><p>Results. It was found that the introduction of plastic leads to a decrease in average density (up to 8 % with 15 % PET) and compressive strength. The highest strength of the modified formulations was recorded at a dosage of 5 % PET (a decrease of 12.5 % relative to the control). A further increase in the plastic content to 15 % causes a sharp drop in strength (by 31 %) and a 2.1-fold increase in water absorption.</p></sec><sec><title>Conclusions</title><p>Conclusions. The optimal dosage, which provides acceptable characteristics for a number of building solutions, is the replacement of 5–10 % of sand by volume. The resulting material can be recommended for curtain structures, paving slabs and landscaping elements.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>переработанный пластик</kwd><kwd>ПЭТ</kwd><kwd>мелкозернистый бетон</kwd><kwd>строительный раствор</kwd><kwd>утилизация отходов</kwd><kwd>прочность на сжатие</kwd><kwd>экологичные материалы</kwd><kwd>вторичные ресурсы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>recycled plastic</kwd><kwd>PET</kwd><kwd>fine-grained concrete</kwd><kwd>mortar</kwd><kwd>waste disposal</kwd><kwd>compressive strength</kwd><kwd>environmentally friendly materials</kwd><kwd>secondary resources</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">Qaidi S., Al-Kamaki Y., Hakeem I. et al. Investigation of the physical-mechanical properties and durability of high-strength concrete with recycled PET as a partial replacement for fine aggregates. 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