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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">10.33979/2073-7416-2022-101-3-60-74</article-id><article-id custom-type="elpub" pub-id-type="custom">construction-480</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>ДЕФОРМИРОВАНИЕ КОЛЬЦЕВЫХ ОРТОТРОПНЫХ ПЛАСТИН СРЕДНЕЙ ТОЛЩИНЫ ИЗ МАТЕРИАЛОВ, ЧУВСТВИТЕЛЬНЫХ К ВИДУ НАПРЯЖЕННОГО СОСТОЯНИЯ</article-title><trans-title-group xml:lang="en"><trans-title>DEFORMATION OF ANNULAR ORTHOTROPIC PLATES OF MEDIUM THICKNESS MADE OF MATERIALS SENSITIVE TO THE TYPE OF STRESS STATE</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>ТРЕЩЕВ</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>TRESHCHEV</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трещев Александр Анатольевич, Чл.-корр. РААСН, доктор технических наук, профессор, зав. кафедрой «Строительство, строительные материалы и конструкции»</p><p>г. Тула</p></bio><bio xml:lang="en"><p>Treshchev Alexandr An., corresponding member of RAACN, doctor of technical sciences, professor, head of the department of Construction, Building Materials and Structures</p><p>Tula</p></bio><email xlink:type="simple">taa58@yandex.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>ЗАВЬЯЛОВА</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>ZAVYALOVA</surname><given-names>Y. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Завьялова Юлия Андреевна, аспирант кафедры «Строительство, строительные материалы и конструкции»</p><p>г. Тула</p></bio><bio xml:lang="en"><p>Zavyalova Yuliya An., graduate student of the department of Construction, Building Materials and Structures</p><p>Tula</p></bio><email xlink:type="simple">zavyalova_yuliya95@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тульский государственный университет</institution></aff><aff xml:lang="en"><institution>Tula State Univercity</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>23</day><month>07</month><year>2022</year></pub-date><volume>0</volume><issue>3</issue><fpage>60</fpage><lpage>74</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ТРЕЩЕВ А.А., ЗАВЬЯЛОВА Ю.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">ТРЕЩЕВ А.А., ЗАВЬЯЛОВА Ю.А.</copyright-holder><copyright-holder xml:lang="en">TRESHCHEV A.A., ZAVYALOVA Y.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://construction.elpub.ru/jour/article/view/480">https://construction.elpub.ru/jour/article/view/480</self-uri><abstract><p>Рассматривается модель трехслойной кольцевой пластины средней толщины. Предполагается, что нагрузка на пластину принята равномерно – распределенной. В качестве определяющих соотношений берутся универсальные, построенные в нормированном тензорном пространстве напряжений, связанном с главными осями анизотропии материала. Нагрузка была принята таким образом, чтобы прогибы срединной поверхности пластины считались малыми по сравнению с ее толщиной. Закрепление пластины жёсткое по внешнему и внутреннему контурам.Поскольку некоторые ортотропные разносопротивляющиеся материалы проявляют нелинейную зависимость деформаций от напряжений, материальные характеристики приняты в виде функций от интенсивности напряжений. В результате постановки краевой задачи была разработана математическая модель для анализируемого класса задач, реализованная в виде численного алгоритма интепритированного в пакет прикладных программ среды Mathcad.Для решения системы разрешающих дифференциальных уравнений изгиба кольцевых ортотропных пластин использовался метод переменных параметров упругости с конечноразностной аппроксимацией второго порядка точности.</p></abstract><trans-abstract xml:lang="en"><p>Discusses a model of a three-layer annular plate of medium thickness. It is assumed that the load on the plate is assumed to be uniformly distributed. The universal relations constructed in the normalized tensor stress space associated with the main axes of the anisotropy of the material are taken as the determining relations. The load was taken in such a way that the deflections of the middle surface of the plate were considered small in comparison with its thickness. The fixing of the plate is rigid along the external and internal contours.Since some orthotropic materials with different resistance exhibit a nonlinear dependence of deformations on stresses, the material characteristics are taken as functions of stress intensity. As a result of the formulation of the boundary value problem, a mathematical model was developed for the analyzed class of problems, implemented as a numerical algorithm integrated into the Mathcad software package.To solve the system of resolving differential equations of bending of annular orthotropic plates, the method of variable elasticity parameters with a finite-difference approximation of the second order of accuracy was used.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пластина</kwd><kwd>ортотромные материалы</kwd><kwd>напряженно - деформированное состояние</kwd><kwd>разносопротивляемость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>plate</kwd><kwd>orthotropic materials</kwd><kwd>stress-strain state</kwd><kwd>different resistance</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">Schmueser D.W. 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