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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Structural Mechanics of Engineering Constructions and Buildings</journal-id><journal-title-group><journal-title xml:lang="en">Structural Mechanics of Engineering Constructions and Buildings</journal-title><trans-title-group xml:lang="ru"><trans-title>Строительная механика инженерных конструкций и сооружений</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1815-5235</issn><issn publication-format="electronic">2587-8700</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">30903</article-id><article-id pub-id-type="doi">10.22363/1815-5235-2021-17-5-455-465</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Analysis and design of building structures</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Расчет и проектирование строительных конструкций</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The theory of calculation of reinforced concrete structures and the principles of the Eurocode</article-title><trans-title-group xml:lang="ru"><trans-title>Теория расчета железобетонных конструкций и принципы Еврокода</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7412-3789</contrib-id><name-alternatives><name xml:lang="en"><surname>Sanzharovskiy</surname><given-names>Rudolf S.</given-names></name><name xml:lang="ru"><surname>Санжаровский</surname><given-names>Рудольф Сергеевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Grand Ph.D., Professor, principal researcher</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор, главный научный сотрудник</p></bio><email>milasanj@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sieber</surname><given-names>Frieder</given-names></name><name xml:lang="ru"><surname>Зибер</surname><given-names>Фридер</given-names></name></name-alternatives><bio xml:lang="en">Grand Ph.D., Professor</bio><bio xml:lang="ru">доктор технических наук, профессор</bio><email>dr.f.sieber@web.de</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4723-8193</contrib-id><name-alternatives><name xml:lang="en"><surname>Ter-Emmanuilyan</surname><given-names>Tatyana N.</given-names></name><name xml:lang="ru"><surname>Тер-Эммануильян</surname><given-names>Татьяна Николаевна</given-names></name></name-alternatives><bio xml:lang="en"><p>Grand Ph.D., Professor of the Department of Theoretical Mechanics</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор кафедры теоретической механики</p></bio><email>tanya_ter@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">L.N. Gumilyov Eurasian National University</institution></aff><aff><institution xml:lang="ru">Евразийский национальный университет имени Л.Н. Гумилева</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Leibniz-Institut fur Interdisziplinare Studien</institution></aff><aff><institution xml:lang="ru">Институт Лейбница по междисциплинарным исследованиям</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Russian University of Transport</institution></aff><aff><institution xml:lang="ru">Российский университет транспорта</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-12-30" publication-format="electronic"><day>30</day><month>12</month><year>2021</year></pub-date><volume>17</volume><issue>5</issue><issue-title xml:lang="en">VOL 17, NO5 (2021)</issue-title><issue-title xml:lang="ru">ТОМ 17, №5 (2021)</issue-title><fpage>455</fpage><lpage>465</lpage><history><date date-type="received" iso-8601-date="2022-04-27"><day>27</day><month>04</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Sanzharovskiy R.S., Sieber F., Ter-Emmanuilyan T.N.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Санжаровский Р.С., Зибер Ф., Тер-Эммануильян Т.Н.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Sanzharovskiy R.S., Sieber F., Ter-Emmanuilyan T.N.</copyright-holder><copyright-holder xml:lang="ru">Санжаровский Р.С., Зибер Ф., Тер-Эммануильян Т.Н.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/30903">https://journals.rudn.ru/structural-mechanics/article/view/30903</self-uri><abstract xml:lang="en"><p style="text-align: justify;">The theory of calculating reinforced concrete is analyzed. As we known reinforced concrete with enormous volumes of application and huge financial costs, due to the great complexity of its nonlinear properties, has a surprisingly unscientific theory of calculation, consisting of two parts: short-term and longterm loading. The work of a number of round tables was devoted to the problem of errors in the theory of calculating reinforced concrete. The round tables held at the Peoples’ Friendship University of Russia (RUDN University) on the initiative and under the guidance of famous scientists: V.M. Bondarenko, S.N. Krivoshapko, V.V. Galishnikova (the last one took place in 2020) with a large number of participants of authoritative scientists from Russia and other countries. It is shown that the theory of calculation of reinforced concrete structures, which are widely used (with long-term loading all over the world), includes five inconsistent (among them erroneous) theories, the essence of which and one postulate are set further. Using the rules of mathematics, the principles of mechanics and the results of solid experiments, it was revealed that the analyzed theory contains a set of theories rejecting each other for various purposes, including erroneous ones.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">Анализируется теория расчета железобетона, который, при громадных объемах применения и огромных финансовых затратах, имеет из-за большой сложности его нелинейных свойств удивительно ненаучную теорию расчета, состоящую из двух частей: кратковременного и длительного загружения. Проблеме заблуждений теории расчета железобетона посвящена работа ряда круглых столов, проведенных в Российском университете дружбы народов по инициативе и под руководством известных ученых: В.М. Бондаренко, С.Н. Кривошапко, В.В. Галишниковой (последний состоялся в 2020 г.), с большим числом участников, авторитетных ученых России и других стран. Показано, что теория расчета железобетонных конструкций, имеющих массовое применение (при длительном загружении во всем мире), включает в себя пять не соответствующих друг другу (среди них ошибочных) теорий, суть которых и один постулат изложены в работе. Используя правила математики, принципы механики и результаты солидных экспериментов выявлено, что анализируемая теория содержит набор отвергающих друг друга положений различного назначения, в том числе ошибочных.</p></trans-abstract><kwd-group xml:lang="en"><kwd>theory of concrete creep</kwd><kwd>superposition principle</kwd><kwd>instant elastic deformations</kwd><kwd>long-term resistance</kwd><kwd>reinforced concrete</kwd><kwd>modern building codes</kwd><kwd>Eurocode principles</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>теория ползучести бетона</kwd><kwd>принцип наложения</kwd><kwd>мгновенные упругие деформации</kwd><kwd>длительное сопротивление железобетона</kwd><kwd>современные строительные нормы</kwd><kwd>принципы Еврокода</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Beglov A.D., Sanjarovskiy R.S., Bondarenko V.M. 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