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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">10.22227/2949-1622.2023.3.20-31</article-id><article-id custom-type="elpub" pub-id-type="custom">concconc-21</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>Исследование трещинообразования в железобетонных конструкциях при помощи нормируемых деформационных моделей</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of Cracking in Reinforced Concrete Structures by Means of Standardized Deformation Models</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>Моргунов</surname><given-names>Михаил Валерьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Morgunov</surname><given-names>Mikhail V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, доцент кафедры строительных конструкций</p></bio><bio xml:lang="en"><p>candidate of technical sciences, associate professor of the Department of Building Structures </p></bio><email xlink:type="simple">5555@bk.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>Людкевич</surname><given-names>Анжелика Алексеевна</given-names></name><name name-style="western" xml:lang="en"><surname>Lyudkevich</surname><given-names>Anzhelika A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистрант кафедры строительных конструкций  </p></bio><bio xml:lang="en"><p>master student of the department of building structures </p></bio><email xlink:type="simple">lyudkevich.anzhelika00@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБОУ ВО «Брянский государственный инженерно-технологический университет»<country>Россия</country></aff><aff xml:lang="en">Bryansk State Engineering and Technology University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>19</day><month>07</month><year>2023</year></pub-date><volume>3</volume><issue>3</issue><fpage>20</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Моргунов М.В., Людкевич А.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Моргунов М.В., Людкевич А.А.</copyright-holder><copyright-holder xml:lang="en">Morgunov M.V., Lyudkevich A.A.</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/21">https://www.g-b-k.ru/jour/article/view/21</self-uri><abstract><p>В данном исследовании проводится подробный анализ применения нормируемых деформационных моделей для вычисления такой расчетной характеристики железобетонных элементов, как трещиностойкость. Для теоретической проверки значений момента трещинообразования используются методы расчета, основанные на применении нелинейной деформационной модели.</p><p>В ходе теоретического исследования момента трещинообразования с использованием нелинейной деформационной модели установлено, что применение двухлинейной диаграммы деформирования бетона позволяет получить наиболее точные значения момента образования трещин.</p></abstract><trans-abstract xml:lang="en"><p>In this study, a detailed analysis of the use of standardized deformation models is carried out to calculate the design characteristics of reinforced concrete elements, such as crack resistance. For theoretical verification of the values of the moment of cracking, calculation methods based on the use of a nonlinear deformation model are used.</p><p>A theoretical study of cracking moment using a non-linear deformation model shows that the application of a two-line diagram of concrete deformation allows to obtain the most accurate values of cracking moment.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>момент трещинообразования</kwd><kwd>нелинейная деформационная модель</kwd><kwd>диаграмма состояния бетона</kwd><kwd>железобетонная балка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cracking moment</kwd><kwd>non-linear deformation model</kwd><kwd>state diagram of concrete</kwd><kwd>reinforced concrete beam</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">Кодыш Е. Н., Никитин И. К., Трекин Х. Х. 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