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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">vestniktgasu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Томского государственного архитектурно-строительного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-1859</issn><issn pub-type="epub">2310-0044</issn><publisher><publisher-name>Tomsk State University of Architecture and Building</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31675/1607-1859-2024-26-5-183-197</article-id><article-id custom-type="edn" pub-id-type="custom">SVYQEH</article-id><article-id custom-type="elpub" pub-id-type="custom">vestniktgasu-1873</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 СТРОИТЕЛЬСТВО ДОРОГ, МЕТРОПОЛИТЕНОВ, АЭРОДРОМОВ, МОСТОВ И ТРАНСПОРТНЫХ ТОННЕЛЕЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ENGINEERING AND CONSTRUCTION OF ROADS, SUBWAYS, AIRDROMES, AND TUNNELS</subject></subj-group></article-categories><title-group><article-title>О ресурсной надежности бистальных балок с резервированием</article-title><trans-title-group xml:lang="en"><trans-title>Towards Durability of Redundant Composite Beams</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>Картопольцев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kartopoltsev</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Картопольцев Андрей Владимирович, канд. техн. наук, доцент</p><p>634003, г. Томск, пер. Соляной, 24/1</p></bio><bio xml:lang="en"><p>Andrei M. Kartopoltsev, PhD, A/Professor</p><p>24/1, Solyanoy Str., 634003, Tomsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО «ДИАМОС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>OOO “DIAMOS”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>28</day><month>10</month><year>2024</year></pub-date><volume>26</volume><issue>5</issue><fpage>183</fpage><lpage>197</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Картопольцев А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Картопольцев А.В.</copyright-holder><copyright-holder xml:lang="en">Kartopoltsev A.M.</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://vestnik.tsuab.ru/jour/article/view/1873">https://vestnik.tsuab.ru/jour/article/view/1873</self-uri><abstract><p>Актуальность исследования заключается в совершенствовании методики оценки ресурсной надежности металлических пролетных строений с бистальными балками изменением управляющей функции напряженно-деформированного состояния на основе резервирования и самоорганизации системы. Рассматривается эффект вариации нагрузок на несущие бистальные балки пролетных строений, действующих в течение длительного времени эксплуатации.</p><sec><title>Цель</title><p>Цель: разработать методику оценки ресурсной надежности бистальных балок как самонастраиваемых систем при воздействии нагрузки.</p></sec><sec><title>Практическая значимость</title><p>Практическая значимость: оценена ресурсная надежность бистальных балок с учетом «запаздывания» текучести.</p><p>Показано, что резервирование в бистальных балках повышает показатель ресурсной надежности и технического использования.</p></sec></abstract><trans-abstract xml:lang="en"><p>The relevance of the study lies in the methodology improvement of assessing the durability of metal span structures with composite beams via the control for the stress-strain state on the basis of the system redundancy and self-organization. The variation in loads on composite beams of bridge spans during a long operation, is considered herein.Purpose: The aim of this work is to develop a methodology for estimation of durability of composite beams as self-organized systems under load.Research findings: It is shown that redundant composite beams increase their durability and technical utilization.Practical implications: Durability of composite beams with regard to the yield strength delay.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>надежность</kwd><kwd>отказ</kwd><kwd>резервирование</kwd><kwd>бистальные балки</kwd><kwd>деформации</kwd><kwd>предельное состояние</kwd></kwd-group><kwd-group xml:lang="en"><kwd>durability</kwd><kwd>failure</kwd><kwd>redundancy</kwd><kwd>composite beams</kwd><kwd>deformation</kwd><kwd>limit states</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">Гнеденко Б.В., Беляев Ю.К., Соловьев А.Д. 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