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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">mirtr</journal-id><journal-title-group><journal-title xml:lang="ru">Мир транспорта</journal-title><trans-title-group xml:lang="en"><trans-title>World of Transport and Transportation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1992-3252</issn><publisher><publisher-name>Russian University of Transport (RUT)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30932/1992-3252-2020-18-6-64-73</article-id><article-id custom-type="elpub" pub-id-type="custom">mirtr-2054</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>НАУКА И ТЕХНИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SCIENCE AND ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Риск-ориентированный подход при оценке технического состояния фундаментов мостовых сооружений</article-title><trans-title-group xml:lang="en"><trans-title>Risk-Based Approach in Assessing the Technical Condition of Foundations of Bridge Structures</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>Каимов</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kaimov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каимов Евгений Витальевич – доцент кафедры строительства железных дорог, мостов и тоннелей</p><p>Иркутск</p></bio><bio xml:lang="en"><p>Kaimov, Evgeny V. – Associate Professor at the Department of Construction of Railways, Bridges and Tunnels</p><p>Irkutsk</p></bio><email xlink:type="simple">eugen-kaimov@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский государственный университет путей сообщения (ИрГУПС)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk State Transport University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>28</day><month>12</month><year>2020</year></pub-date><volume>18</volume><issue>6</issue><fpage>64</fpage><lpage>73</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Каимов Е.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Каимов Е.В.</copyright-holder><copyright-holder xml:lang="en">Kaimov E.V.</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://mirtr.elpub.ru/jour/article/view/2054">https://mirtr.elpub.ru/jour/article/view/2054</self-uri><abstract><p>Целью данной статьи является рассмотрение применения прогнозных математических моделей для оценки рисков, связанных с критической потерей показателей функционального качества несущих конструктивных элементов (фундаментов) мостовых сооружений с применением методов вероятностного анализа и прогноза рисков снижения показателей технического состояния конструктивных элементов.</p><p>Результатом исследований является разработка алгоритма и математической модели, характеризующих особенности снижения показателей технического состояния несущих конструкций в течение проектного срока службы. Приведены результаты оценки потери функционального качества фундаментов, полученные при помощи данной модели.</p><p>Практической значимостью исследования является возможность и целесообразность применения вероятностных методов для прогнозной оценки технического состояния несущих конструкций. С помощью соответствующей математической модели становится возможным проектное обоснование показателей функционального качества фундаментов мостовых сооружений.</p><p>Показана необходимость совершенствования нормативных положений по проектированию и прогнозу показателей технического состояния объектов транспортной инфраструктуры.</p></abstract><trans-abstract xml:lang="en"><p>The objective of this article is to consider the use of predictive mathematical models for assessing risks associated with a critical loss of values of functional quality of bearing structural elements (foundations) of bridge structures using methods of probabilistic analysis and forecasting the risks of reducing of values of indicators of the technical state of structural elements.</p><p>The research results in development of an algorithm and a mathematical model that characterise the features of the process of reducing of values of indicators of the technical condition of load-bearing structures during the service life cycle. The results of assessing the loss of functional quality of foundations obtained using this model are presented.</p><p>The practical significance of the study relates to the possibility and expediency of using probabilistic methods for predictive assessment of the technical state of loadbearing structures. With the help of an appropriate mathematical model, it becomes possible to proceed with design rationale of indicators of functional quality of foundations of bridge structures.</p><p>The need to improve regulatory provisions for design and forecasting of indicators of the technical condition of transport infrastructure objects is substantiated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>транспортное строительство</kwd><kwd>мостовые сооружения</kwd><kwd>характеристика технического состояния</kwd><kwd>анализ рисков</kwd><kwd>математическая модель фундаментов</kwd><kwd>физический износ</kwd><kwd>срок службы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bridge structures</kwd><kwd>technical condition characteristics</kwd><kwd>risk analysis</kwd><kwd>mathematical model of foundations</kwd><kwd>physical wear</kwd><kwd>service life</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">Белый А. 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