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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">10.22227/2949-1622.2023.4.20-31</article-id><article-id custom-type="elpub" pub-id-type="custom">concconc-30</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>Развитие метода расчета железобетонных конструкций по образованию  и раскрытию нормальных трещин</article-title><trans-title-group xml:lang="en"><trans-title>Development of the Method for Calculation of Reinforced Concrete Structures on the Formation and Opening of Normal Cracks</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3007-9499</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трекин</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Trekin</surname><given-names>Nikolay N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Николаевич Трекин, доктор технических наук, профессор кафедры «Железобетонные и каменные конструкции»</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p>Scopus: 6507199486, ResearcherID: AFY-8097-2022</p></bio><bio xml:lang="en"><p>Nikolay N. Trekin, Doctor of Technical Sciences, Professor</p><p>Yaroslavskoe Highway house 26, Moscow, 129337</p><p>Scopus: 6507199486, ResearcherID: AFY-8097-2022</p></bio><email xlink:type="simple">otks@yandex.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/0000-0002-9087-1250</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кодыш</surname><given-names>Э. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kodysh</surname><given-names>Emil N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эмиль Наумович Кодыш, доктор технических наук, профессор, главный научный сотрудник</p><p>127238 Москва, Дмитровское шоссе, д.46, корп. 2</p><p>Scopus: 6506549600</p></bio><bio xml:lang="en"><p>Emil N. Kodysh, Doctor of Technical Sciences, Professor</p><p>Dmitrovskoe sh., 46/2, Moscow, 127238</p><p>Scopus: 6506549600</p></bio><email xlink:type="simple">otks@yandex.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>Парфенов</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Parfenov</surname><given-names>Sergey G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Григорьевич Парфенов, кандидат технических наук, профессор</p><p>241037, г. Брянск, пр. Станке Димитрова, д. 3</p><p>Scopus: 57205214215</p></bio><bio xml:lang="en"><p>Sergey G. Parfenov, Candidate of Technical Sciences, Professor</p><p>241037, Bryansk, Stanke Dimitrova Ave., 3</p><p>Scopus: 57205214215</p></bio><email xlink:type="simple">mail@bgita.ru</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>Андрян</surname><given-names>К. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Andrian</surname><given-names>Konstantin R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрян Константин Рашидович, инженер</p><p>127238, г. Москва, Дмитровское шоссе, д. 46/2</p></bio><bio xml:lang="en"><p>Konstantin R. Andrian, Engineer</p><p>Dmitrovskoe sh., 46/2, Moscow, 127238</p></bio><email xlink:type="simple">andryankr@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Национальный исследовательский Московский государственный строительный университет<country>Россия</country></aff><aff xml:lang="en">National Research Moscow State University of Civil Engineering "NRU MGSU"<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">АО «Центральный научно-исследовательский и проектно-экспериментальный институт промышленных зданий и сооружений – ЦНИИПромзданий»<country>Россия</country></aff><aff xml:lang="en">Joint Stock Company «Central Research and Design Experimental Institute (JSC Tsniipromzdanii)»<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">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><aff-alternatives id="aff-4"><aff xml:lang="ru">АО «Центральный научно-исследовательский и проектно-экспериментальный институт промышленных зданий и сооружений – ЦНИИПромзданий»<country>Россия</country></aff><aff xml:lang="en">Joint Stock Company «Central Research and Design Experimental Institute (JSC Tsniipromzdaniy)»<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>18</day><month>10</month><year>2023</year></pub-date><volume>4</volume><issue>4</issue><fpage>20</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Трекин Н.Н., Кодыш Э.Н., Парфенов С.Г., Андрян К.Р., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Трекин Н.Н., Кодыш Э.Н., Парфенов С.Г., Андрян К.Р.</copyright-holder><copyright-holder xml:lang="en">Trekin N.N., Kodysh E.N., Parfenov S.G., Andrian K.R.</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/30">https://www.g-b-k.ru/jour/article/view/30</self-uri><abstract><p>В настоящей работе представлена история развития метода расчета трещиностойкости железобетонных элементов по советским и современным нормам проектирования, в основу которого легли работы советских и зарубежных ученых, таких как: А.Ф. Лолейт, В.И. Мурашев, А.А. Гвоздев, С.А. Дмитриев, A. Clark, J. Monier и др. Также, в статье рассмотрены актуализированные на сегодняшний день методы расчета по образованию и раскрытию нормальных трещин по отечественным и зарубежным нормам.</p></abstract><trans-abstract xml:lang="en"><p>This paper presents the history of the development of the method for calculating the crack resistance of reinforced concrete elements according to Soviet and modern design standards, which was based on the work of the Soviet and foreign scientists, such as: A.F. Loleit, V.I. Murashev, A.A. Gvozdev, S.A. Dmitriev, A. Clark, J. Monier and others. Also, the article discusses the currently updated calculation methods for the formation and opening of normal cracks according to domestic and foreign standards.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нормальные трещины</kwd><kwd>трещиностойкость</kwd><kwd>ширина раскрытия трещин</kwd><kwd>железобетон</kwd><kwd>арматура</kwd></kwd-group><kwd-group xml:lang="en"><kwd>normal cracks</kwd><kwd>crack resistance</kwd><kwd>crack width</kwd><kwd>reinforced concrete</kwd><kwd>reinforcement</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">Мурашев В.И. Трещиноустойчивость, жесткость и прочность железобетона. Москва: Машстройиздат, 1950. 268 с.</mixed-citation><mixed-citation xml:lang="en">Murashev V.I. 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