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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">construction</journal-id><journal-title-group><journal-title xml:lang="ru">Строительство и реконструкция</journal-title><trans-title-group xml:lang="en"><trans-title>Building and Reconstruction</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7416</issn><publisher><publisher-name>Орловский государственный университет имени И.С. Тургенева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33979/2073-7416-2025-121-5-3-26</article-id><article-id custom-type="elpub" pub-id-type="custom">construction-964</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>ТЕОРИЯ ИНЖЕНЕРНЫХ СООРУЖЕНИЙ. СТРОИТЕЛЬНЫЕ КОНСТРУКЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>THEORY OF ENGINEERING STRUCTURES. BUILDING UNITS</subject></subj-group></article-categories><title-group><article-title>Экспериментальные исследования прочности на продавливание монолитных железобетонных плит большой толщины</article-title><trans-title-group xml:lang="en"><trans-title>Experimental studies on the punching shear strength of thick reinforced concrete slabs</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>Кабанцев</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kabantsev</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кабанцев Олег Васильевич, д-р техн. наук, директор научно-технических проектов, профессор кафедры железобетонных и каменных конструкций </p><p>г. Москва </p></bio><bio xml:lang="en"><p>Kabantsev Oleg V., Dr. Sci. (Engineering), Director of Scientific and Technical Projects, Professor of the Department of Reinforced Concrete and Stone Structures </p><p>Moscow </p></bio><email xlink:type="simple">ovk531@gmail.com</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>Крылов</surname><given-names>С. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Krylov</surname><given-names>S. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крылов Сергей Борисович, д-р техн. наук, академик РААСН, заведующий лабораторией механики железобетона </p><p>г. Москва </p></bio><bio xml:lang="en"><p>Krylov Sergey B., Dr. Sci. (Engineering), Academician of the RAACS, Head of the Laboratory of Reinforced Concrete Mechanics </p><p>Moscow </p></bio><email xlink:type="simple">niizhb_lab8@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>Трофимов</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Trofimov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трофимов Сергей Владиславович, аспирант кафедры Железобетонные и каменные конструкций; научный сотрудник лаборатории механики железобетона </p><p>г. Москва </p></bio><bio xml:lang="en"><p>Trofimov Sergey V., Postgraduate Student of the Department of Reinforced Concrete and Stone Structures; Researcher at the Laboratory of Reinforced Concrete Mechanics </p><p>Moscow </p></bio><email xlink:type="simple">niizhb_lab8@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Национальный исследовательский Московский государственный строительный университет» (НИУ МГСУ)</institution></aff><aff xml:lang="en"><institution>Federal State Budget Educational Institution of Higher Education «Moscow State University of Civil Engineering»</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский, проектно-конструкторский и технологический институт бетона и железобетона им. А.А. Гвоздева АО «Научно-исследовательский центр «Строительство»</institution></aff><aff xml:lang="en"><institution>Research Institute of Concrete and Reinforced Concrete (NIIZHB) named after A.A. Gvozdev JSC Research Center "Construction"</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБОУ ВО «Национальный исследовательский Московский государственный строительный университет» (НИУ МГСУ); Научно-исследовательский, проектно-конструкторский и технологический институт бетона и железобетона им. А.А. Гвоздева АО «Научно-исследовательский центр «Строительство»</institution></aff><aff xml:lang="en"><institution>National Research Moscow State University of Civil Engineering (NRU MGSU); A.A. Gvozdev Research, Design and Technological Institute of Concrete and Reinforced Concrete, JSC Research Center "Construction"</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>26</day><month>10</month><year>2025</year></pub-date><volume>0</volume><issue>5</issue><fpage>3</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кабанцев О.В., Крылов С.Б., Трофимов С.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Кабанцев О.В., Крылов С.Б., Трофимов С.В.</copyright-holder><copyright-holder xml:lang="en">Kabantsev O.V., Krylov S.B., Trofimov S.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://construction.elpub.ru/jour/article/view/964">https://construction.elpub.ru/jour/article/view/964</self-uri><abstract><p>В статье представлены результаты экспериментальных исследований прочности на продавливание монолитных железобетонных плит большой толщины (600 мм) без поперечного армирования. Исследовано влияние коэффициента продольного растянутого армирования (μs = 0,56% и 1,12%) на несущую способность и характер разрушения. Установлено, что увеличение процента армирования в 2 раза приводит к росту прочности на продавливание лишь на 10,8%, что свидетельствует о снижении влияния этого фактора для «толстых» плит по сравнению с «тонкими». Проанализировано сложное напряженно-деформированное состояние бетона в приопорной зоне и распределение напряжений в арматуре. Проведен сравнительный анализ экспериментальных данных с расчетами по нормативным документам (СП 63.13330, EC2, ACI 318, MC2020), который показал значительную переоценку несущей способности по методике СП 63.13330, особенно для плит с малым процентом армирования. Сделан вывод о необходимости учета продольного армирования в расчетных моделях.</p></abstract><trans-abstract xml:lang="en"><p>This paper presents the results of experimental studies on the punching shear strength of thick reinforced concrete slabs (600 mm) without shear reinforcement. The influence of the tensile reinforcement ratio (μs = 0,56% and 1,12%) on the load-bearing capacity and failure mode was investigated. It was found that a two-fold increase in the reinforcement ratio leads to an increase in punching shear strength of only 10,8%, indicating a reduced influence of this factor for "thick" slabs compared to "thin" ones. The complex stress-strain state of concrete in the support zone and the stress distribution in the reinforcement were analyzed. A comparative analysis of the experimental data with calculations based on regulatory documents (SP 63.13330, EC2, ACI 318, MC2020) was carried out, which showed a significant overestimation of the load-bearing capacity according to the SP 63.13330 methodology, especially for slabs with a low reinforcement ratio. It is concluded that it is necessary to account for the longitudinal reinforcement in the design models.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>железобетонные плиты большой толщины</kwd><kwd>продавливание</kwd><kwd>напряженно-деформированное состояние</kwd><kwd>экспериментальные исследования</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thick reinforced concrete slabs</kwd><kwd>punching shear</kwd><kwd>stress-strain state</kwd><kwd>experimental studies</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Данная работа была реализована в рамках Программы развития НИУ МГСУ на 2025- 2036 годы в рамках реализации Программы стратегического академического лидерства «Приоритет-2030».</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">Кабанцев О.В., Крылов С.Б., Трофимов С.В. 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