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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">construction</journal-id><journal-title-group><journal-title xml:lang="ru">Строительство и реконструкция</journal-title><trans-title-group xml:lang="en"><trans-title>Building and Reconstruction</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7416</issn><publisher><publisher-name>Орловский государственный университет имени И.С. Тургенева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33979/2073-7416-2026-124-2-84-97</article-id><article-id custom-type="elpub" pub-id-type="custom">construction-1055</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>БЕЗОПАСНОСТЬ ЗДАНИЙ И СООРУЖЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING AND STRUCTURE SAFETY</subject></subj-group></article-categories><title-group><article-title>Оценка надежности ферменных конструкций при коррозионном износе на основе имитационного моделирования</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of the reliability of trusses in case of corrosion wear based on simulation modeling</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>Мацеевич</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Matseevich</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мацеевич Татьяна Анатольевна – д.ф-м. н, профессор </p><p>г. Москва</p></bio><bio xml:lang="en"><p>Matseevich Tatiana A., Doctor Of Physical And Mathematical Sciences, Professor </p><p>Moscow</p></bio><email xlink:type="simple">matseevichta@mgsu.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>Данков</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dankov</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Данков Савелий Андреевич – аспирант</p><p>г. Москва</p><p> </p></bio><bio xml:lang="en"><p>Dankov Saveliy A., Postgraduate student</p><p>Moscow</p></bio><email xlink:type="simple">olimp.botek@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Национальный исследовательский Московский государственный строительный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Moscow State University of Civil Engineering</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>15</day><month>05</month><year>2026</year></pub-date><volume>0</volume><issue>2</issue><fpage>84</fpage><lpage>97</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мацеевич Т.А., Данков С.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Мацеевич Т.А., Данков С.А.</copyright-holder><copyright-holder xml:lang="en">Matseevich T.A., Dankov S.A.</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://construction.elpub.ru/jour/article/view/1055">https://construction.elpub.ru/jour/article/view/1055</self-uri><abstract><p>В работе рассмотрена задача вероятностной оценки надежности ферменных металлических конструкций с учетом коррозионного износа. Коррозионный износ представляется как накопление повреждений, а коррозионное состояние элемента рассматривается от неповрежденного уровня до предельного, соответствующего отказу (потери устойчивости стержневого элемента ферменной конструкции). Деградация описывается последовательностью вероятностных переходов между состояниями в рамках марковской модели с непрерывным временем. Временные зависимости вероятностей перехода восстанавливаются по экспериментальным наблюдениям и аппроксимируются параметрическими зависимостями, что позволяет сформировать согласованную матрицу переходов во времени для всей шкалы состояний. После калибровки модели выполняется моделирование методом Монте-Карло для отдельного стержневого элемента ферменной конструкции и для ферменной системы в целом с учетом различной структурной значимости элементов. Получены оценки надежности, а также характеристики накопления повреждений, которые можно использовать для инженерной диагностики и обоснования ремонтных решений.</p></abstract><trans-abstract xml:lang="en"><p>The paper considers the problem of probabilistic assessment of the reliability of truss metal structures, taking into account corrosion wear. Corrosion wear is represented as the accumulation of damage, and the corrosion state of an element is considered from the undamaged level to the limit state corresponding to failure (loss of stability of a rod element of a truss structure). Degradation is described by a sequence of probabilistic transitions between states within a continuous-time Markov model. The time dependencies of the transition probabilities are reconstructed from experimental observations and approximated by parametric dependencies, which allows us to form a consistent time transition matrix for the entire state scale. After the model is calibrated, Monte Carlo simulations are performed for individual rod elements of the truss structure and for the truss system as a whole, taking into account the varying structural significance of the elements. This allows us to obtain reliability estimates and damage accumulation characteristics, which can be used for engineering diagnostics and repair decision-making.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коррозионный износ</kwd><kwd>ферменные конструкции</kwd><kwd>надежность</kwd><kwd>цепи Маркова</kwd><kwd>матрица вероятностей переходных состояний</kwd><kwd>метод Монте-Карло</kwd><kwd>имитационное моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>corrosion-induced deterioration</kwd><kwd>truss structures</kwd><kwd>reliability assessment</kwd><kwd>Markov chains</kwd><kwd>matrix of probabilities of transition states</kwd><kwd>Monte Carlo method</kwd><kwd>simulation modeling</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания в сфере научной деятельности Министерства науки и высшего образования Российской Федерации, проект по теме «Оценка технического состояния зданий на основе параметров живучести и риска», номер темы FSWG 2024-0003 (госзадание НИУ МГСУ).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Kayser J.R., Nowak A.S. 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