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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">25615</article-id><article-id pub-id-type="doi">10.22363/1815-5235-2020-16-6-452-464</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Analysis and design of building structures</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Расчет и проектирование строительных конструкций</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">Influence of the height of the ribbed-ring dome on the stress state of its frame during the overhang mounting process</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние высоты ребристо-кольцевого купола на напряженное состояние его каркаса в процессе навесного монтажа</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lebed</surname><given-names>Evgeny V.</given-names></name><name xml:lang="ru"><surname>Лебедь</surname><given-names>Евгений Васильевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Associate Professor of the Department of Metal and Wooden Structures, Candidate of Technical Science</p></bio><bio xml:lang="ru"><p>доцент кафедры металлических и деревянных конструкций, кандидат технических наук</p></bio><email>evglebed@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Moscow State University of Civil Engineering (National Research University)</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский Московский государственный строительный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2020</year></pub-date><volume>16</volume><issue>6</issue><issue-title xml:lang="en">VOL 16, NO6 (2020)</issue-title><issue-title xml:lang="ru">ТОМ 16, №6 (2020)</issue-title><fpage>452</fpage><lpage>464</lpage><history><date date-type="received" iso-8601-date="2021-02-07"><day>07</day><month>02</month><year>2021</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Lebed E.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Лебедь Е.В.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Lebed E.V.</copyright-holder><copyright-holder xml:lang="ru">Лебедь Е.В.</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/25615">https://journals.rudn.ru/structural-mechanics/article/view/25615</self-uri><abstract xml:lang="en"><p>The aim of the research. To analyze the stress state of structures of ribbed-ring domes of different heights during overhang erection. The domes have spherical metal frames and a support contour of the same diameter. Due to different heights, the steepness of the geometric shape of the domes changes. The study is devoted to establishing the relationship between the stress state of the frame and the steepness of the dome when mounted. It was investigated how the height of the ribbed-ring dome affects the stress state of its frame during overhang mounting process. Methods. Computer models of design frames of ribbed-ring domes of different heights made of steel I-beams were developed. Based on design models, a sequence of assembly models for incomplete frames was created for different stages of installation. Both for the design and for all installation models of dome frames of different heights, computer calculations were performed for the effect of the load from its own weight. As a result of calculations for all domes and at all stages of installation, deformations and stresses in the meridional ribs were determined, which were compared with the design diagrams. Results. Comparative graphs of deformations of dome frames and diagrams of changes in the degree of use of steel strength in meridional ribs at all stages of mounted installation are obtained. Comparative graphs of installation and design stresses in the meridional ribs on different tiers for all stages of mounted installation are also shown. The assessment of the installation stress states is given, their inevitability and the degree of influence on the stress state of the dome frames are noted.</p></abstract><trans-abstract xml:lang="ru"><p>Цель. Выполнить анализ напряженного состояния конструкций ребристо-кольцевых куполов разной высоты при навесном монтаже. Купола имеют металлические каркасы сферической формы и опорный контур одинакового диаметра. Из-за разной высоты изменяется крутизна геометрической формы куполов. Исследование посвящено установлению зависимости между напряженным состоянием каркаса и крутизной купола при навесном монтаже. Выяснялось, как высота ребристо-кольцевого купола влияет на напряженное состояние его каркаса при навесном монтаже. Методы. Разработаны компьютерные модели проектных каркасов ребристо-кольцевых куполов разной высоты из стальных двутавров. На основе проектных моделей созданы монтажные модели неполного каркаса для разных стадий монтажа. И для проектной, и для всех монтажных моделей каркасов куполов разной высоты выполнены компьютерные расчеты на действие нагрузки от собственного веса. В результате расчетов для всех куполов и на всех стадиях монтажа определены деформации и напряжения в меридиональных ребрах, которые сравнивались с проектными схемами. Результаты. Получены сравнительные графики деформаций купольных каркасов, диаграммы изменения степени использования прочности стали в меридиональных ребрах на всех стадиях навесного монтажа. Показаны также сравнительные графики монтажных и проектных напряжений в меридиональных ребрах на разных ярусах для всех стадий навесного монтажа. Дана оценка монтажным напряженным состояниям, отмечена их неизбежность и степень влияния на напряженное состояние купольных каркасов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ribbed-ring dome</kwd><kwd>metal frame</kwd><kwd>meridional ribs</kwd><kwd>mounted installation</kwd><kwd>computer model</kwd><kwd>stresses in elements</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ребристо-кольцевой купол</kwd><kwd>металлический каркас</kwd><kwd>меридиональные ребра</kwd><kwd>навесной монтаж</kwd><kwd>компьютерная модель</kwd><kwd>напряжения в элементах</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">Tur V.I. Kupol’nye konstruktsyi: formoobrazovanie, raschet, konstruirovanie, povyshenie Effektivnosti [Dome Structures: Morphogenesis, Analysis, Design, Increase in Effectiveness]. Moscow: ASV Publ.; 2004. (In Russ.)</mixed-citation><mixed-citation xml:lang="ru">Тур В.И. 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