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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">10.22227/1997-0935.2024.4.557-568</article-id><article-id custom-type="elpub" pub-id-type="custom">mgssuvest-234</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>Проектирование и конструирование строительных систем. Строительная механика. Основания и фундаменты, подземные сооружения</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Construction system design and layout planning. Construction mechanics. Bases and foundations, underground structures</subject></subj-group></article-categories><title-group><article-title>Сравнение перераспределения моментов в корродированных и некорродированных статически неопределимых железобетонных балках</article-title><trans-title-group xml:lang="en"><trans-title>Comparing moment redistribution in statically indeterminate reinforced concrete beams with and without corrosion</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0569-4788</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тамразян</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Tamrazyan</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ашот Георгиевич Тамразян — доктор технических наук, профессор, заведующий кафедрой железобетонных и каменных конструкций</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p>РИНЦ ID: 447901, Scopus: 55975413900, ResearcherID: T-1253-2017</p></bio><bio xml:lang="en"><p>Ashot G. Tamrazyan — Doctor of Technical Sciences, Professor, Head of the Department of Reinforced Concrete and Masonry Structures</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p><p>ID RSCI: 447901, Scopus: 55975413900, ResearcherID: T-1253-2017</p></bio><email xlink:type="simple">tamrazian@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/0000-0003-3969-8111</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сайед</surname><given-names>Йехия Ахмед Котп</given-names></name><name name-style="western" xml:lang="en"><surname>Sayed</surname><given-names>Yehia Ahmed Kotp</given-names></name></name-alternatives><bio xml:lang="ru"><p>Йехия Ахмед Котп Сайед — аспирант кафедры железобетонных и каменных конструкций</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p>РИНЦ ID: 1103250, Scopus: 58170730800, ResearcherID: HTR-8755-2023</p></bio><bio xml:lang="en"><p>Yehia Ahmed Kotp Sayed — postgraduate student of the Department of Reinforced Concrete and Masonry Structures</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p><p>ID RSCI: 1103250, Scopus: 58170730800, ResearcherID: HTR-8755-2023</p></bio><email xlink:type="simple">engyehia250@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>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) (MGSU)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>29</day><month>04</month><year>2024</year></pub-date><volume>19</volume><issue>4</issue><fpage>557</fpage><lpage>568</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тамразян А.Г., Сайед Й., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Тамразян А.Г., Сайед Й.</copyright-holder><copyright-holder xml:lang="en">Tamrazyan A.G., Sayed Y.</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/234">https://www.vestnikmgsu.ru/jour/article/view/234</self-uri><abstract><sec><title>Введение</title><p>Введение. Рассматривается актуальный вопрос перераспределения моментов в статически неопределимых железобетонных балках, подвергающихся коррозии. Статически неопределимые железобетонные балки широко используются в различных строительных приложениях, и понимание того, как коррозия влияет на перераспределение моментов в таких балках, является важным для оценки их несущей способности и безопасности. Применяются экспериментальные и аналитические методы для изучения влияния коррозии на перераспределение моментов в железобетонных балках.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Использована новая техника для ускорения и контроля присутствующей коррозии, применяемой в соответствии с экспериментальной программой. Испытаны четыре двухпролетных железобетонные балки с коррозией и без при изгибающем моменте.</p></sec><sec><title>Результаты</title><p>Результаты. Экспериментальные результаты сравнили между собой. Полученные результаты свидетельствуют о том, что коррозия оказывает существенное влияние на перераспределение моментов в статически неопределимых железобетонных балках. Перераспределение моментов увеличивается с ростом процента коррозии. Предлагаемая модель позволяет в значительной степени определить коэффициент перераспределения моментов в статически неопределимых железобетонных балках.</p></sec><sec><title>Выводы</title><p>Выводы. Исследование подчеркивает существенное влияние коррозии на перераспределение моментов в статически неопределимых железобетонных балках. Полученные результаты показывают, что с увеличением процента коррозии происходит соответствующее увеличение перераспределения моментов. Полученные результаты могут стать основой для разработки будущих стратегий по снижению влияния коррозии на статически неопределимые железобетонные балки, что будет способствовать улучшению проектирования конструкций и практики их эксплуатации в строительстве.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The actual question of redistribution of moments in statically indeterminate reinforced concrete (RC) beams subjected to corrosion is considered. Statically indeterminate RC beams are widely used in various construction applications, and understanding how corrosion affects the redistribution of moments in such beams is important for assessing their load-bearing capacity and safety. Experimental and analytical methods are applied to study the effect of corrosion on the redistribution of moments in RC beams.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. To carry out this investigation, a new technique was implemented to accelerate and control the corrosion process, applied according to the experimental programme. Four two-span reinforced concrete beams, both with and without induced corrosion, were subjected to bending moments in the experimental setup. The methods involved careful application of corrosion, and the experimental programme aimed to simulate real-world conditions.</p></sec><sec><title>Results</title><p>Results. The experimental results were compared for the beams with and without corrosion. The analysis revealed significant effects of corrosion on the redistribution of moments in statically indeterminate reinforced concrete beams. Furthermore, the degree of corrosion was found to be directly proportional to the increased redistribution of moments. Moreover, the proposed model can significantly determine the redistribution coefficient of moments in statically indeterminate RC beams.</p></sec><sec><title>Conclusions</title><p>Conclusions. This study highlights the significant influence of corrosion on the redistribution of moments in statically indeterminate reinforced concrete beams. The results obtained show that as the corrosion percentage increases, there is a corresponding increase in the redistribution of moments. The results obtained can provide a basis for the development of future strategies to reduce the effects of corrosion on statically indeterminate reinforced concrete beams, thereby improving structural design and construction practices.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>статически неопределимые железобетонные балки</kwd><kwd>перераспределение моментов</kwd><kwd>коррозия</kwd><kwd>метод ускоренной коррозии</kwd><kwd>пластический шарнир</kwd><kwd>надежность</kwd><kwd>прочность конструкций</kwd></kwd-group><kwd-group xml:lang="en"><kwd>statically indeterminate RC beams</kwd><kwd>moments redistribution</kwd><kwd>corrosion</kwd><kwd>accelerated corrosion method</kwd><kwd>plastic hinge</kwd><kwd>reliability</kwd><kwd>structural strength</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">Тамразян А.Г., Орлова М.А. 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