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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">10.22227/2949-1622.2023.4.13-19</article-id><article-id custom-type="elpub" pub-id-type="custom">concconc-29</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>К анализу надежности конструкций балочных систем</article-title><trans-title-group xml:lang="en"><trans-title>To the Analysis of the Reliability of Structures of Beam Systems</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>Ashot G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ашот Георгиевич Тамразян, чл.-корр. РААСН, д-р техн. наук, профессор, заведующий кафедрой железобетонных и каменных конструкций</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p>Scopus: 55975413900, ResearcherID: T-1253-2017</p></bio><bio xml:lang="en"><p>Ashot G. Tamrazyan, Corresponding member of RAACS, Doctor of Technical Sciences, Professor, Неad of the Department of Reinforced Concrete and Masonry Structures</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p><p>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-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский Московский государственный строительный университет</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>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>13</fpage><lpage>19</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тамразян А.Г., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Тамразян А.Г.</copyright-holder><copyright-holder xml:lang="en">Tamrazyan A.G.</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.g-b-k.ru/jour/article/view/29">https://www.g-b-k.ru/jour/article/view/29</self-uri><abstract><p>В статье рассматриваются вопросы надежности при различных видах отказов балочных систем. Анализируется однопролетная изгибаемая балка. Определены функции предельного состояния для моментных режимов отказа в характерных сечениях балки. Показаны пути формирования пластического шарнира для балки. Рассчитаны нижняя и верхняя граница надежности балки. Представлены функции предельного состояния, соответствующие механизмам разрушения.</p></abstract><trans-abstract xml:lang="en"><p>The article discusses the issues of reliability for various types of failures of beam systems. A single-span bending beam is analyzed. The limit state functions for moment failure modes in the characteristic sections of the beam are determined. The ways of forming a plastic hinge for a beam are shown. The lower and upper limits of the beam reliability are calculated. Limit state functions corresponding to failure mechanisms are presented.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>балочная конструкция</kwd><kwd>надежность</kwd><kwd>предельные состояния</kwd><kwd>режимы разрушения</kwd><kwd>пластический шарнир</kwd><kwd>вероятность отказа</kwd></kwd-group><kwd-group xml:lang="en"><kwd>beam structure</kwd><kwd>reliability</kwd><kwd>limit states</kwd><kwd>failure modes</kwd><kwd>plastic hinge</kwd><kwd>failure prob-ability</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">Baker J.W., Schubert M., Faber M.H. On the Assessment of Robustness, accepted for publication // Journal of Structural Safety. 2006.</mixed-citation><mixed-citation xml:lang="en">Baker J.W., Schubert M., Faber M.H. On the Assessment of Robustness, accepted for publication. 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