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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">concconc</journal-id><journal-title-group><journal-title xml:lang="ru">Железобетонные конструкции</journal-title><trans-title-group xml:lang="en"><trans-title>Reinforced concrete structures</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2949-1622</issn><issn pub-type="epub">2949-1614</issn><publisher><publisher-name>Национальный исследовательский Московский государственный строительный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/2949-1622.2025.4.31-43</article-id><article-id custom-type="elpub" pub-id-type="custom">concconc-84</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 БЕТОНА И ЖЕЛЕЗОБЕТОНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>THEORY OF CONCRETE AND REINFORCED CONCRETE</subject></subj-group></article-categories><title-group><article-title>Несущая способность колонн железобетонных рамных каркасов  в аварийной ситуации</article-title><trans-title-group xml:lang="en"><trans-title>Resistance of Reinforced Concrete Columns in Framed Structures at Accidental Design Situation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6697-3388</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Савин</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Savin</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Юрьевич Савин, кандидат технических наук, доцент, доцент кафедры железобетонных и каменных конструкций</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p>Scopus: 57052453700, ResearcherID: M-8375-2016</p></bio><bio xml:lang="en"><p>Sergei Yu. Savin, Candidate of Technical Sciences, Associate Professor, Associate Professor of the Department of Reinforced Concrete and Masonry Structures</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p><p>Scopus: 57052453700, ResearcherID: M-8375-2016</p></bio><email xlink:type="simple">suwin@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Национальный исследовательский Московский государственный строительный университет (НИУ МГСУ)<country>Россия</country></aff><aff xml:lang="en">Moscow State University of Civil Engineering (National Research University) (MGSU)<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2025</year></pub-date><volume>12</volume><issue>4</issue><fpage>31</fpage><lpage>43</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Савин С.Ю., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Савин С.Ю.</copyright-holder><copyright-holder xml:lang="en">Savin S.Y.</copyright-holder><license 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.g-b-k.ru/jour/article/view/84">https://www.g-b-k.ru/jour/article/view/84</self-uri><abstract><p>В процессе эксплуатации конструкции зданий и сооружений могут подвергаться аварийным воздействиям различного характера, создавая риск полного или частичного обрушения объектов строительства. В данной работе рассматривается напряженно-деформированное состояние железобетонных колонн каркасов зданий в аварийной ситуации. Напряженно-деформированное состояние таких элементов зависит от локализации начального разрушения, наличия и жесткости аутригерных конструкций, расположения диафрагм жесткости, стадий работы конструкций перекрытий в аварийной ситуации. С использованием уровневых моделей получены параметрические точки диаграмм деформирования железобетонных колонн при различных комбинациях усилий. Эти диаграммы могут быть использованы при задании параметрических зависимостей для описания работы линейных пластических шарниров в рамках процедуры нелинейного расчетного анализа.</p></abstract><trans-abstract xml:lang="en"><p>During operation, building and structural systems may be subjected to various types of accidental actions, creating a risk of complete or partial collapse. This study investigates the stress-strain state of reinforced concrete columns in building frames under emergency conditions.  The stress-strain state of such elements depends on the localization of the initial failure, the presence and stiffness of outrigger structures, the location of shear walls, and the stages of floor structure behavior in an accidental situation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>живучесть</kwd><kwd>прогрессирующее обрушение</kwd><kwd>железобетон</kwd><kwd>каркас</kwd><kwd>колонна</kwd><kwd>узел</kwd></kwd-group><kwd-group xml:lang="en"><kwd>robustness</kwd><kwd>progressive collapse</kwd><kwd>reinforced concrete</kwd><kwd>frame</kwd><kwd>column</kwd><kwd>joint</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Исследование выполнено за счет гранта Российского научного фонда № 24-49-10010, URL: https://rscf.ru//project/24-49-10010/</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>This work was supported by the Russian Science Foundation grant No. 24-49-10010, URL: https://rscf.ru//project/24-49-10010/</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">СП 385.132580.2018. 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