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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Structural Mechanics of Engineering Constructions and Buildings</journal-id><journal-title-group><journal-title xml:lang="en">Structural Mechanics of Engineering Constructions and Buildings</journal-title><trans-title-group xml:lang="ru"><trans-title>Строительная механика инженерных конструкций и сооружений</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1815-5235</issn><issn publication-format="electronic">2587-8700</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">16305</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">ANALYTICAL SOLUTION FOR BEAM STRUCTURE WITH ELASTO-PLASTIC PROPERTIES OF MATERIAL</article-title><trans-title-group xml:lang="ru"><trans-title>АНАЛИТИЧЕСКОЕ РЕШЕНИЕ ДЛЯ СТЕРЖНЕВОЙ СИСТЕМЫ С УЧЕТОМ УПРУГОПЛАСТИЧЕСКИХ СВОЙСТВ МАТЕРИАЛА</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>ELENITSKIY</surname><given-names>E YA</given-names></name><name xml:lang="ru"><surname>ЕЛЕНИЦКИЙ</surname><given-names>ЭДУАРД ЯКОВЛЕВИЧ</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент</p></bio><email>elenit@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">LTD «Globaltanksengineering» , Samara, Russia</institution></aff><aff><institution xml:lang="ru">ООО «Глобалтэнксинжиниринг»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-05-15" publication-format="electronic"><day>15</day><month>05</month><year>2017</year></pub-date><issue>3</issue><issue-title xml:lang="en">NO3 (2017)</issue-title><issue-title xml:lang="ru">№3 (2017)</issue-title><fpage>27</fpage><lpage>34</lpage><history><date date-type="received" iso-8601-date="2017-06-26"><day>26</day><month>06</month><year>2017</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2017, ELENITSKIY E.Y.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2017, ЕЛЕНИЦКИЙ Э.Я.</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="en">ELENITSKIY E.Y.</copyright-holder><copyright-holder xml:lang="ru">ЕЛЕНИЦКИЙ Э.Я.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/16305">https://journals.rudn.ru/structural-mechanics/article/view/16305</self-uri><abstract xml:lang="en"><p>The differential equations are received and the new exact solution of a problem for a rec- tangular cross section and flat statically determination beam structure at action of longitudinal and transvers loadings is constructed. Three characteristic areas of the beam, distinguished by schemes of position of elastic core section were considered. All the components of the stress- strain state, borders of elastic-plastic zones are determined. A numerical analysis of linear and nonlinear formulation was presented.</p></abstract><trans-abstract xml:lang="ru"><p>Получены дифференциальные уравнения и построено новое точное решение зада- чи для прямолинейного стержня и плоской статически определимой стержневой сис- темы при действии продольно-поперечных нагрузок. Рассмотрено три характерных участка стержня, отличающихся схемами расположения упругого ядра прямоугольно- го сечения. Определены все компоненты напряженно-деформированного состояния и границы упругопластических зон. Представлен численный анализ результатов в линей- ной и нелинейной постановке.</p></trans-abstract><kwd-group xml:lang="en"><kwd>elastic-plastic material</kwd><kwd>elastic core section</kwd><kwd>longitudinal and transverse bending</kwd><kwd>equilibrium equations</kwd><kwd>boundary value problem</kwd><kwd>beam structure</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>упругопластический материал</kwd><kwd>упругое ядро сечения</kwd><kwd>про- дольно-поперечный изгиб</kwd><kwd>уравнения равновесия</kwd><kwd>краевая задача</kwd><kwd>стержневая система</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Petrov V.V. (2014). Nelinejnaya inkrementalnaya stroitelnaya mekhanika, Moscow: Infa-Inzheneriya, 480 p.</mixed-citation><mixed-citation xml:lang="ru">Петров В.В. 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