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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">10.33979/2073-7416-2026-126-4-58-74</article-id><article-id custom-type="edn" pub-id-type="custom">UDULGE</article-id><article-id custom-type="elpub" pub-id-type="custom">construction-1104</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 ИНЖЕНЕРНЫХ СООРУЖЕНИЙ. СТРОИТЕЛЬНЫЕ КОНСТРУКЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>THEORY OF ENGINEERING STRUCTURES. BUILDING UNITS</subject></subj-group></article-categories><title-group><article-title>Моделирование термосилового деформирования бетона в режимно-наследственной постановке</article-title><trans-title-group xml:lang="en"><trans-title>Modeling of thermal-power deformation of concrete in a regime-hereditary formulation</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0906-716X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федоров</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorov</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федоров Виктор Сергеевич, академик Российской академии архитектуры и строительных наук, доктор технических наук, профессор, заведующий кафедрой «Строительные конструкции, здания и сооружения»</p><p>AuthorID: 57202801196, AuthorID: 143968 </p><p>г. Москва</p></bio><bio xml:lang="en"><p>Viktor S. Fedorov, Academician of the Russian Academy of Architecture and Construction Sciences, Doctor of Technical Sciences, Professor, Head of the Department of Building Construction, Buildings and Structures</p><p>AuthorID: 57202801196, AuthorID: 143968 </p><p>Moscow</p></bio><email xlink:type="simple">fvs_skzs@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9355-4488</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Левитский</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Levitsky</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Левитский Валерий Евгеньевич, кандидат технических наук, доцент, доцент кафедры «Строительные конструкции, здания и сооружения»</p><p>AuthorID: 1216423 </p><p>г. Москва</p></bio><bio xml:lang="en"><p>Valery E. Levitsky, Candidate of Technical Sciences, Docent, Associate Professor of the Department of Building Construction, Buildings and Structures</p><p>AuthorID: 1216423</p><p>Moscow</p></bio><email xlink:type="simple">dobriy_vecher@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский университет транспорта</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian University of Transport</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>08</day><month>09</month><year>2026</year></pub-date><volume>0</volume><issue>4</issue><fpage>58</fpage><lpage>74</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Федоров В.С., Левитский В.Е., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Федоров В.С., Левитский В.Е.</copyright-holder><copyright-holder xml:lang="en">Fedorov V.S., Levitsky V.E.</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/1104">https://construction.elpub.ru/jour/article/view/1104</self-uri><abstract><p>Предложена методика применения простых изотермических диаграмм для моделирования напряженно-деформированного состояния бетона в условиях режимного термосилового нагружения и вынужденного деформирования. Методологический базис работы построен на четком разграничении понятий аддитивности деформаций и некоммутативности нагружения, что позволило адаптировать классический наследственный принцип Больцмана– Вольтерра для нелинейной стадии работы материала. Доказано, что приращения нелинейных деформаций сохраняют свойство физической аддитивности и могут корректно суммироваться при условии пошагового учета истории и траектории термосиловых воздействий. Экспериментально зафиксированное подобие геометрического вида кривых мгновенного, длительного и высокотемпературного деформирования обосновано с позиций единства физического закона деформирования бетона как вязкоупругой неоднородно-хрупкой среды. Представлено уравнение состояния в форме нелинейного закона Гука, учитывающее меру поврежденности структуры на основе двухпараметрического статистического распределения Вейбулла, что позволяет аналитически описать полную диаграмму деформирования бетона при нагреве. Разработан замкнутый алгоритм перехода между функциями деформаций и напряжений с использованием параметров промежуточной точки по методике Н.И. Карпенко, эффективный для решения задач как режимного нагружения, так и режимной релаксации бетона.</p></abstract><trans-abstract xml:lang="en"><p>A method for using simple isothermal diagrams to study the crisis-strain state of concrete under regime-induced thermal-power loading and forced deformation is proposed. The methodological foundations of the study are built on a clear distinction between the concepts of strain additivity and loading non-commutativity, allowing for the adaptation of the classical traditional Boltzmann-Volterra principle to the nonlinear stage of material performance. It is demonstrated that nonlinear strain increments retain the property of physical additivity and can be correctly summed when the history and trajectory of thermal-power effects are taken into account step-by-step. The experimentally observed similarity in the geometric shape of the instantaneous, long-term, and high-temperature strain curves is substantiated in terms of the Unified Physical Law of Deformation of Concrete as a Viscoelastic Gravitationally Brittle Medium. An equation of state in the form of nonlinear Hooke's law is presented, observing the degree of structural damage based on a two-parameter Weibull statistical distribution. This allows for an analytical description of the complete concrete deformation diagram upon heating. A closed-loop algorithm for the transition between deformation and stress phenomena has been developed using intermediate point parameters according to N.I. Karpenko's methodology. It is effective for solving problems of both seasonal loading and seasonal relaxation of concrete.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>термосиловое воздействие</kwd><kwd>вынужденное деформирование</kwd><kwd>релаксация напряжений</kwd><kwd>аддитивность деформаций</kwd><kwd>некоммутативное нагружение</kwd><kwd>поврежденность структуры</kwd><kwd>распределение Вейбулла</kwd><kwd>уравнение состояния</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thermal loading</kwd><kwd>forced deformation</kwd><kwd>stress relaxation</kwd><kwd>strain additivity</kwd><kwd>noncommutative loading</kwd><kwd>damage structure</kwd><kwd>Weibull measures</kwd><kwd>stress-strain relationship</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">Wang Y., Liu Z., Zhang X., Qu S., Xu T. 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