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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">vdgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Дагестанского государственного технического университета. Технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Herald of Dagestan State Technical University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-6185</issn><issn pub-type="epub">2542-095X</issn><publisher><publisher-name>Daghestan State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21822/2073-6185-2022-49-4-182-193</article-id><article-id custom-type="elpub" pub-id-type="custom">vdgtu-1193</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>СТРОИТЕЛЬСТВО И АРХИТЕКТУРА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING AND ARCHITECTURE</subject></subj-group></article-categories><title-group><article-title>Определение несущей способности внецентренно сжатых трубобетонных колонн  на основе деформационной теории пластичности бетона</article-title><trans-title-group xml:lang="en"><trans-title>Determination of the bearing capacity of encentrally compressed concrete filled steel  tubular columns on the basis of the deformation theory of concrete plasticity</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>Хашхожев</surname><given-names>К. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Khashkhozhev</surname><given-names>K. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хашхожев Казбек Нарзанович,  аспирант кафедры «Сопротивление материалов»</p><p>344000, г. Ростов-на-Дону, площадь Гагарина 1</p></bio><bio xml:lang="en"><p>Kazbek N. Khashkhozhev, Postgraduate Student, Department "Strength of Materials"»</p><p>1 Gagarin Square, Rostov-on-Don 1344000</p></bio><email xlink:type="simple">kazbek_hash@mail.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>Лесняк</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Lesnyak</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лесняк Любовь Ивановна, начальник Управления научно-исследовательской работы обучающихся</p><p>344000, г. Ростов-на-Дону, площадь Гагарина 1</p></bio><bio xml:lang="en"><p>Lyubov I. Lesnyak, Head of the Department of Research Work of Students</p><p>1 Gagarin Square, Rostov-on-Don 1344000</p></bio><email xlink:type="simple">li.lesnyak@sci.donstu.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>Курачев</surname><given-names>Р. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurachev</surname><given-names>R. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курачев Раджаб Магомедович, аспирант</p><p>367026, г. Махачкала, пр. И. Шамиля, 70</p></bio><bio xml:lang="en"><p>Rajab M. Kurachev, Postgraduate Student</p><p>70 I. Shamilya Ave., Makhachkala 367026</p></bio><email xlink:type="simple">kurachev@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чепурненко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Chepurnenko</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чепурненко Антон Сергеевич, доктор технических наук, профессор кафедры «Сопротивление материалов»; главный научный сотрудник Институт дизайна и пространственных искусств</p><p>344000, г. Ростов-на-Дону, площадь Гагарина 1</p><p>420008, г. Казань, ул. Кремлевская, 18</p></bio><bio xml:lang="en"><p>Anton S. Chepurnenko, Dr. Sci. (Eng.), Prof.; Department "Strength of Materials", Chief Researcher of the Institute of Design and Spatial Arts</p><p>1 Gagarin Square, Rostov-on-Don 1344000</p><p>18 Kremlevskaya Str.,  Kazan 420008</p></bio><email xlink:type="simple">anton_chepurnenk@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Донской государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Don State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Дагестанский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Daghestan State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Донской государственный технический университет; Казанский (Приволжский) федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Don State Technical University; Kazan (Volga Region) Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>10</day><month>02</month><year>2023</year></pub-date><volume>49</volume><issue>4</issue><fpage>182</fpage><lpage>193</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хашхожев К.Н., Лесняк Л.И., Курачев Р.М., Чепурненко А.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Хашхожев К.Н., Лесняк Л.И., Курачев Р.М., Чепурненко А.С.</copyright-holder><copyright-holder xml:lang="en">Khashkhozhev K.N., Lesnyak L.I., Kurachev R.M., Chepurnenko A.S.</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.dgtu.ru/jour/article/view/1193">https://vestnik.dgtu.ru/jour/article/view/1193</self-uri><abstract><sec><title>Цель</title><p>Цель. В статье предлагается метод конечно-элементного анализа трубобетонных колонн в физически нелинейной постановке путем сведения трехмерной задачи к двумерной на основе гипотезы плоских сечений.</p></sec><sec><title>Метод</title><p>Метод. В качестве соотношений, устанавливающих связь между напряжениями и деформациями, используются уравнения теории пластичности бетона Г.А. Гениева. Методика апробирована путем сравнения решения с расчетом в трехмерной постановке в программном комплексе ЛИРА-САПР, а также с экспериментальными данными А.И. Сагадатова и расчетом по действующим отечественным нормам проектирования сталежелезобетонных конструкций.</p></sec><sec><title>Результат</title><p>Результат. Установлено, что эффективной областью работы колонн круглого поперечного сечения являются малые эксцентриситеты продольной силы.</p></sec><sec><title>Вывод</title><p>Вывод. Предложенный подход может быть применен к анализу напряженно-деформированного состояния и несущей способности трубобетонных колонн произвольного сечения. Ограничений по составу бетона нет, а материалом оболочки может быть не только сталь, но и стеклопластик.  </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective. The article proposes a method for finite element analysis of pipe-concrete columns in a physically nonlinear setting by reducing a three-dimensional problem to a twodimensional one based on the hypothesis of plane sections.</p></sec><sec><title>Method</title><p>Method.The equations of the theory of plasticity of concrete by G.A. Geniev are used. The technique was tested by comparing the solution with a calculation in a three-dimensional setting in the LIRA-SAPR software package, as well as with the experimental data of A.I. Sagadatov and calculation according to the current Russian design codes for steel-pipe concrete structures.</p></sec><sec><title>Result</title><p>Result. It has been established that the effective area of operation of columns with a circular cross section is small eccentricities of the longitudinal force.</p></sec><sec><title>Conclusion</title><p>Conclusion. The proposed approach can be applied to the analysis of the stress-strain state and the bearing capacity of pipe-concrete columns of arbitrary section. There are no restrictions on the composition of concrete, and the shell material can be not only steel, but also fiberglass. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>трубобетонные колонны</kwd><kwd>метод конечных элементов</kwd><kwd>дилатация</kwd><kwd>теория пластичности</kwd><kwd>физическая нелинейность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>concrete filled steel tubular columns</kwd><kwd>finite element method</kwd><kwd>dilatation</kwd><kwd>theory of plasticity</kwd><kwd>physical nonlinearity</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">Резван, А.В. Рационализация технологических, конструктивных и архитектурных решений трубобетонных конструкций на примере колонн высотных зданий // Инженерный вестник Дона / А.В. Резван, М.А. 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