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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">10.37538/0005-9889-2026-2(633)-14-26</article-id><article-id custom-type="edn" pub-id-type="custom">ZQUGSD</article-id><article-id custom-type="elpub" pub-id-type="custom">bzhb-281</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 КОНСТРУКЦИИ</subject></subj-group></article-categories><title-group><article-title>Прочность элементов объединения железобетона и стали в виде арматурных стержней-упоров в комбинированных балках</article-title><trans-title-group xml:lang="en"><trans-title>Strength of reinforced concrete dowels in composite steel and concrete beams</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>Бережной</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Berezhnoy</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дмитрий Валерьевич Бережной, доктор физико-математических наук, доцент, профессор кафедры «Теоретическая механика»</p><p>ул. Кремлевская, д. 18, к. 1, г. Казань, 420008</p></bio><bio xml:lang="en"><p>Dmitrii V. Berezhnoy, Doctor of Physics and Mathematics, Associate Professor, Professor of the Department of Theoretical Mechanics</p><p>Kremlevskaya str., 18, bld. 1, Kazan, 420008</p></bio><email xlink:type="simple">berezhnoi.dmitri@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>Конин</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Konin</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Денис Владимирович Конин, доктор технических наук, заместитель директора по научной работе, заведующий лабораторией высотных зданий и сооружений</p><p>2-я Институтская ул., д. 6, к. 1, г. Москва, 109428</p></bio><bio xml:lang="en"><p>Denis V. Konin, Dr. Sci. (Engineering), Deputy Director of Scientific Work, Head of Laboratory of High-Rise Buildings and Structures</p><p>2nd Institutskaya str., 6, bld. 1, Moscow, 109428</p></bio><email xlink:type="simple">konden@inbox.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крылов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Krylov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Сергеевич Крылов*, кандидат технических наук, ведущий научный сотрудник лаборатории высотных зданий и сооружений</p><p>2-я Институтская ул., д. 6, к. 1, г. Москва, 109428</p></bio><bio xml:lang="en"><p>Alexey S. Krylov*, Сandidate of Technical Sciences, Leading Researcher of Laboratory of High-Rise Buildings and Structures</p><p>2nd Institutskaya str., 6, bld. 1, Moscow, 109428</p></bio><email xlink:type="simple">kryl07@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Феоктистов</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Feoktistov</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Львович Феоктистов, ведущий эксперт</p><p>ул. Мира, д. 30, г. Череповец, 162608</p></bio><bio xml:lang="en"><p>Aleksandr L. Feoktistov, Lead Expert</p><p>162608, Cherepovets, Mira St. 30</p></bio><email xlink:type="simple">al.feoktistov@severstal.com</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>Морозова</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Morozova</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дарья Владимировна Морозова, младший научный сотрудник лаборатории комбинированных конструкций</p><p>2-я Институтская ул., д. 6, к. 1, г. Москва, 109428</p></bio><bio xml:lang="en"><p>Dariia V. Morozova, Junior Researcher of Laboratory of combined structures</p><p>2nd Institutskaya str., 6, bld. 1, Moscow, 109428</p></bio><email xlink:type="simple">moroz_dk@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Воропаева</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Voropaeva</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мария Игоревна Воропаева, младший научный сотрудник лаборатории Комбинированных конструкций</p><p>2-я Институтская ул., д. 6, к. 1, г. Москва, 109428</p></bio><bio xml:lang="en"><p>Mariia I. Voropaeva, Junior Researcher of Laboratory of combined structures</p><p>2nd Institutskaya str., 6, bld. 1, Moscow, 109428</p></bio><email xlink:type="simple">mashavoropaeva00@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Морозова</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Morozova</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ксения Владимировна Морозова, младший научный сотрудник лаборатории Комбинированных конструкций</p><p>2-я Институтская ул., д. 6, к. 1, г. Москва, 109428</p></bio><bio xml:lang="en"><p>Kseniia V. Morozova, Junior Researcher of Laboratory of combined structures</p><p>2nd Institutskaya str., 6, bld. 1, Moscow, 109428</p></bio><email xlink:type="simple">ms.ksenia.morozova@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Казанский (Приволжский) федеральный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal State Autonomous Educational Institution of Higher Education «Kazan (Volga Region) Federal University»</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Центральный научно-исследовательский институт строительных конструкций (ЦНИИСК) имени В.А. Кучеренко АО «НИЦ «Строительство»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC Research Center of Construction TSNIISK named after V.A. Koucherenko</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ПАО «Северсталь»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Severstal PJSC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>06</day><month>06</month><year>2026</year></pub-date><volume>633</volume><issue>2</issue><fpage>14</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бережной Д.В., Конин Д.В., Крылов А.С., Феоктистов А.Л., Морозова Д.В., Воропаева М.И., Морозова К.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Бережной Д.В., Конин Д.В., Крылов А.С., Феоктистов А.Л., Морозова Д.В., Воропаева М.И., Морозова К.В.</copyright-holder><copyright-holder xml:lang="en">Berezhnoy D.V., Konin D.V., Krylov A.S., Feoktistov A.L., Morozova D.V., Voropaeva M.I., Morozova K.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://www.bzhb.ru/jour/article/view/281">https://www.bzhb.ru/jour/article/view/281</self-uri><abstract><sec><title>Введение</title><p>Введение. Обеспечение совместной работы компонентов сталежелезобетонных конструкций является важнейшей задачей при их проектировании. В настоящее время в зарубежной практике строительства набирает популярность новый вид противосдвиговых соединений, выполненных посредством пропущенных через отверстия в стенках стальных профилей арматурных стержней. Достоинствами данного технического решения является независимость от производителя упоров, относительная простота и отсутствие сварочных процессов при их установке. Также важным является возможность использования стержней-упоров в перекрытиях, в которых высота железобетонной плиты близка к высоте стальной балки.</p><p>Целью работы является разработка методики расчета на сдвиг сталежелезобетонных конструкций с применением в качестве противосдвиговых упоров арматурных стержней, пропущенных через отверстия в стальных профилях.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Разработка инженерной методики выполнена на основе результатов экспериментальных исследований и анализа существующего мирового опыта по расчету сдвиговых соединений, выполненных посредством пропущенных через отверстия в стенках стальных двутавровых профилей арматурных стержней.</p></sec><sec><title>Результаты</title><p>Результаты. Представлено описание исследуемых моделей, приведены особенности использованных при изготовлении моделей материалов и их характеристики. Приведены данные об экспериментальном оборудовании, схеме испытания и нагружения конструкций. Представлены общие виды и характер разрушения, графические результаты испытаний.</p><p>Выполнено сравнение теоретических и экспериментальных данных.</p></sec><sec><title>Выводы</title><p>Выводы. Главными факторами при определении несущей способности рассматриваемых соединений являются диаметр и прочность арматурных стержней. Прослеживается почти прямая зависимость между увеличением диаметра арматурного стержня, пропущенного сквозь отверстие, и несущей способностью модели. Изученные стержни-упоры в составе сталежелезобетонных перекрытий позволяют надежно объединять стальную и железобетонную части составной конструкции. Соединение работает на сдвиг и воспринимает существенные нагрузки вплоть до деформаций смещения 40–50 мм. На основе выполненных экспериментальных исследований разработана инженерная методика расчета прочности объединения железобетона со стальными профилями посредством арматурных стержней, пропущенных через отверстия в стенке стального профиля.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Connection between components of composite steel and concrete structures is the most important task in their design. Currently, a new type of anchors is popular in foreign design practice, made of reinforcing bars passed through holes in the walls of steel profiles – reinforced concrete dowels. The advantages of this technical solution are independence from the manufacturer of the anchors, relative simplicity and the absence of welding processes. It is also important to use reinforced concrete dowels in slim floors where the height of the reinforced concrete slab is close to the height of the steel beam.</p><p>The aim of the work is to develop a method for calculating reinforced concrete dowels connection.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The engineering methodology based on the results of experimental research and analysis of existing international experience in calculating reinforced concrete dowels connection.</p></sec><sec><title>Results</title><p>Results. The models are described; the features of the models, materials and their characteristics are given. The description of experimental equipment, schemes of testing and loading of structures are given. Schemes and types of fracture, graphical results tests of models are presented. A comparison of theoretical and experimental data is performed.</p></sec><sec><title>Conclusions</title><p>Conclusions. The main factors in determining the bearing capacity are the diameter and strength of the reinforcing bars. An almost direct relationship has been obtained between the diameter of the reinforcing bar and the bearing capacity of the model. Reinforced concrete dowels in composite steel and concrete beams make it possible to reliably combine the steel and reinforced concrete parts of the composite structure. Dowels can withstand significant loads up to 40–50 mm displacement deformations.</p><p>Based on the experimental studies carried out, an engineering methodology has been developed for calculating the strength of reinforced concrete dowels in composite steel and concrete beams.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>бетон</kwd><kwd>арматура</kwd><kwd>железобетон</kwd><kwd>сталежелезобетонная конструкция</kwd><kwd>упор</kwd><kwd>шпонка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>concrete</kwd><kwd>bar reinforcement</kwd><kwd>reinforced concrete</kwd><kwd>composite steel and concrete structure</kwd><kwd>shear connectors</kwd><kwd>dowel action</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Финансирование осуществлялось за счет средств ПАО «Северсталь».</funding-statement><funding-statement xml:lang="en">Financing was provided at the expense of Severstal PJSC.</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">Friberg B.F. 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