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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">RUDN Journal of Engineering Research</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Engineering Research</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Инженерные исследования</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2312-8143</issn><issn publication-format="electronic">2312-8151</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">15994</article-id><article-id pub-id-type="doi">10.22363/2312-8143-2017-18-1-7-13</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Architecture and civil engineering</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Архитектура и строительные науки</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">CONSTRUCTIVE DECISIONS OF STEEL BEAMS MADE OF THIN-WALLED COLD-FORMED PROFILES</article-title><trans-title-group xml:lang="ru"><trans-title>КОНСТРУКТИВНОЕ РЕШЕНИЕ СТАЛЬНОЙ БАЛКИ ИЗ ТОНКОСТЕННЫХ ХОЛОДНОГНУТЫХ ПРОФИЛЕЙ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Frolovskaya</surname><given-names>Alexandra V</given-names></name><name xml:lang="ru"><surname>Фроловская</surname><given-names>Александра Викторовна</given-names></name></name-alternatives><bio xml:lang="en"><p>PhD (in Technical Sciences), Associate Professor of Departament “Building structures and managed systems”</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент кафедры строительных конструкций и управляемых систем</p></bio><email>Tereshkova81@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shambina</surname><given-names>Svetlana L</given-names></name><name xml:lang="ru"><surname>Шамбина</surname><given-names>Светлана Львовна</given-names></name></name-alternatives><bio xml:lang="en"><p>PhD (in Technical Sciences), Associate Professor of Department of Architecture and Construction</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент департамента архитектуры и строительства Инженерной академии</p></bio><email>shambina_sl@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petrova</surname><given-names>Julia M</given-names></name><name xml:lang="ru"><surname>Петрова</surname><given-names>Юлия Михайловна</given-names></name></name-alternatives><bio xml:lang="en"><p>graduate student of the Department “Building structures and managed systems”</p></bio><bio xml:lang="ru"><p>магистрант кафедры строительных конструкций и управляемых систем</p></bio><email>yevtifeva@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Siberian Federal University</institution></aff><aff><institution xml:lang="ru">Сибирский федеральный университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Engineering Academy Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Инженерная академия Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2017-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2017</year></pub-date><volume>18</volume><issue>1</issue><issue-title xml:lang="en">VOL 18, NO1 (2017)</issue-title><issue-title xml:lang="ru">ТОМ 18, №1 (2017)</issue-title><fpage>7</fpage><lpage>13</lpage><history><date date-type="received" iso-8601-date="2017-05-13"><day>13</day><month>05</month><year>2017</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2017, Frolovskaya A.V., Shambina S.L., Petrova J.M.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2017, Фроловская А.В., Шамбина С.Л., Петрова Ю.М.</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="en">Frolovskaya A.V., Shambina S.L., Petrova J.M.</copyright-holder><copyright-holder xml:lang="ru">Фроловская А.В., Шамбина С.Л., Петрова Ю.М.</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/engineering-researches/article/view/15994">https://journals.rudn.ru/engineering-researches/article/view/15994</self-uri><abstract xml:lang="en"><p>The article considers the worked out optimal variant of a constructive design for a steel covering beam having a compound cross-section made of thin-walled cold-formed sections. Numerical studies have been carried out for various options of beams taking into account reduction of cross-section. Tests were made of the created an optimal variant of a beam in full size.</p></abstract><trans-abstract xml:lang="ru"><p>В статье рассматривается разработанный оптимальный вариант конструктивного решения стальной балки покрытия составного поперечного сечения из тонкостенных гнутых профилей. Проведены численные исследования различных вариантов балок с учетом редуцирования сечения. Выполнены испытания разработанного оптимального варианта в натуральную величину.</p></trans-abstract><kwd-group xml:lang="en"><kwd>light steel thin-walled structures</kwd><kwd>cold-formed profiles</kwd><kwd>steel beam coating constructive solutions</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>легкие стальные тонкостенные конструкции</kwd><kwd>холодногнутые профили</kwd><kwd>стальная балка покрытия</kwd><kwd>конструктивные решения</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">Endzhievsky L.V, Krylov I.I., Kretinin A.N., Tereshkova A.V. Ograzhdaiushchie i nesushchie stroitelnye konstruktcii iz stalnykh tonkostennykh profilei: monografiia. Krasnoiarsk: Sibirskii federalnyi universitet, 2010. 281 p.</mixed-citation><mixed-citation xml:lang="ru">Енджиевский Л.В., Крылов И.И., Кретинин А.Н., Терешкова А.В. 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