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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">bricstransport</journal-id><journal-title-group><journal-title xml:lang="ru">Транспорт БРИКС</journal-title><trans-title-group xml:lang="en"><trans-title>BRIСS Transport</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-0812</issn><publisher><publisher-name>ФГБУ ДПО «УМЦ ЖДТ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.46684/2023.3.6</article-id><article-id custom-type="elpub" pub-id-type="custom">bricstransport-56</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>ИНФРАСТРУКТУРА ТРАНСПОРТА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TRANSPORT INFRASTRUCTURE</subject></subj-group></article-categories><title-group><article-title>Современные методы расчета объектов транспортной инфраструктуры на прогрессирующее обрушение</article-title><trans-title-group xml:lang="en"><trans-title>Modern methods for calculating transport infrastructure objects for progressive collapse</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7913-1115</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пегин</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pegin</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Павел Анатольевич Пегин — доктор технических наук, доцент, заведующий кафедрой “Строительные конструкции, здания и сооружения”; РИНЦ ID: 405834, Scopus: 57193750409, ResearcherID: AAY-27532020.</p><p>190031, Санкт-Петербург, Московский пр., д. 9</p></bio><bio xml:lang="en"><p>Pavel A. Pegin — Doctor of Technical Sciences, Associate Professor, Head of the Department of Building Structures, Buildings and Structures; ID RSCI: 405834, Scopus: 57193750409, ResearcherID: AAY-2753-2020.</p><p>9 Moskovsky pr., St. Petersburg, 190031</p></bio><email xlink:type="simple">editor@umczdt.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>Шульгин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shulgin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Александрович Шульгин — аспирант; РИНЦ ID: 1077212.</p><p>190031, Санкт-Петербург, Московский пр., д. 9</p></bio><bio xml:lang="en"><p>Aleksej A. Shulgin — postgraduate student; ID RSCI: 1077212.</p><p>9 Moskovsky pr., St. Petersburg, 190031</p></bio><email xlink:type="simple">ttspo@umczdt.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Петербургский государственный университет путей сообщения Императора Александра I</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Emperor Alexander I St. Petersburg State Transport University (PGUPS)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>25</day><month>10</month><year>2023</year></pub-date><volume>2</volume><issue>3</issue><fpage>1</fpage><lpage>6</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пегин П.А., Шульгин А.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Пегин П.А., Шульгин А.А.</copyright-holder><copyright-holder xml:lang="en">Pegin P.A., Shulgin A.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://www.bricstransport.ru/jour/article/view/56">https://www.bricstransport.ru/jour/article/view/56</self-uri><abstract><p>Проведены анализ и классификация современных российских методов расчета объектов транспортной инфраструктуры (ОТИ) на прогрессирующее обрушение. Осуществлен обзор методов, реализованных в вычислительных комплексах SCAD и ЛИРА. Рассчитаны на прогрессирующее обрушение ОТИ каркасной схемы с удалением несущего элемента. Проанализированы результаты расчета каркасной схемы с учетом дополнительных параметров: демпфирование элементов, совместная работа перекрытия и элементов стальной конструкции, физическая и геометрическая нелинейность.</p><p>Применены аналитический, статистический и математический методы.</p><p>Установлено, что существующие программные комплексы обладают достаточными функциональными возможностями для расчета ОТИ в статической, динамической, линейной и нелинейной постановке задач. Проведенные результаты расчетов в разных вычислительных комплексах показали различные результаты в динамическом и квазистатическом методах.</p><p>Выявлена необходимость корректировки существующих российских строительных норм с учетом расчетных процедур в современных вычислительных комплексах.</p></abstract><trans-abstract xml:lang="en"><p>Modern Russian methods for calculating transport infrastructure objects for progressive collapse have been analysed and classiﬁed. An overview of the methods implemented in the SCAD and LIRA computer systems has been made. The transport infrastructure objects of the frame scheme have been calculated for progressive collapse with the removal of the supporting element. The results of the calculation of the frame scheme, taking into account additional parameters: damping of elements; joint work of the ﬂoor and steel structure elements; physical and geometric nonlinearity have been analysed. Analytical, statistical and mathematical methods were applied.</p><p>It has been established that the existing software systems have sufﬁcient functionality for calculating transport infrastructure objects in a static, dynamic, linear and non-linear problem setting. The results of calculations performed in different computer systems show different results in dynamic and quasi-static methods.</p><p>The necessity of adjusting the existing Russian building codes, taking into account the calculation procedures in modern computer systems, is revealed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>транспорт</kwd><kwd>строительство</kwd><kwd>проектирование</kwd><kwd>прогрессирующее обрушение</kwd><kwd>здания</kwd><kwd>сооружения</kwd><kwd>каркасная схема</kwd><kwd>элемент</kwd><kwd>инициирующее воздействие</kwd><kwd>метод расчета</kwd><kwd>ЛИРА</kwd><kwd>вычислительный комплекс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>transport</kwd><kwd>construction</kwd><kwd>design</kwd><kwd>progressive collapse</kwd><kwd>buildings</kwd><kwd>structures</kwd><kwd>wireframe</kwd><kwd>element</kwd><kwd>initiating occurrence</kwd><kwd>calculation method</kwd><kwd>LIRA</kwd><kwd>computer complex</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">Проектирование мероприятий по защите зданий и сооружений от прогрессирующего обрушения: методическое пособие. 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