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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">24655</article-id><article-id pub-id-type="doi">10.22363/2312-8143-2020-21-1-81-93</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Civil Engineering (Construction)</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Строительство</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">Overview of high-strength screw thread reinforcement used in pre-stressed structures</article-title><trans-title-group xml:lang="ru"><trans-title>Обзор высокопрочной винтовой арматуры, применяемой в предварительно напряженных конструкциях</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Grishin</surname><given-names>Grigorii E.</given-names></name><name xml:lang="ru"><surname>Гришин</surname><given-names>Григорий Евгеньевич</given-names></name></name-alternatives><bio xml:lang="en"><p>postgraduate student, design engineer of Design Center No. 25 of NIIZHB ⁠named after A.A. Gvozdev</p></bio><bio xml:lang="ru"><p>аспирант, инженер-конструктор Проектно-конструкторского центра № 25 НИИЖБ имени А.А. Гвоздева</p></bio><email>okolnikova-ge@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tikhonov</surname><given-names>Georgy I.</given-names></name><name xml:lang="ru"><surname>Тихонов</surname><given-names>Георгий Игоревич</given-names></name></name-alternatives><bio xml:lang="en"><p>postgraduate student of the Department of Construction of Engineering Academy of RUDN University, design engineer of Design Center No. 25 of NIIZHB ⁠named after A.A. Gvozdev</p></bio><bio xml:lang="ru"><p>аспирант департамента строительства Инженерной академии РУДН, инженер-конструктор Проектно-конструкторского центра № 25 НИИЖБ имени А.А. Гвоздева</p></bio><email>okolnikova-ge@rudn.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Okolnikova</surname><given-names>Galina E.</given-names></name><name xml:lang="ru"><surname>Окольникова</surname><given-names>Галина Эриковна</given-names></name></name-alternatives><bio xml:lang="en"><p>Associate Professor of the Department of Construction of Engineering Academy of RUDN University, Candidate of Technical Sciences, Associate Professor</p></bio><bio xml:lang="ru"><p>доцент департамента строительства Инженерной академии РУДН, кандидат технических наук, доцент</p></bio><email>okolnikova-ge@rudn.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Research Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev of JSC Research Center of Construction</institution></aff><aff><institution xml:lang="ru">Научно-исследовательский, проектно-конструкторский и технологический институт бетона и железобетона имени А. А. Гвоздева АО «НИЦ “Строительство”»</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia (RUDN University)</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</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>21</volume><issue>1</issue><issue-title xml:lang="en">VOL 21, NO1 (2020)</issue-title><issue-title xml:lang="ru">ТОМ 21, №1 (2020)</issue-title><fpage>81</fpage><lpage>93</lpage><history><date date-type="received" iso-8601-date="2020-09-23"><day>23</day><month>09</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Grishin G.E., Tikhonov G.I., Okolnikova G.E.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Гришин Г.Е., Тихонов Г.И., Окольникова Г.Э.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Grishin G.E., Tikhonov G.I., Okolnikova G.E.</copyright-holder><copyright-holder xml:lang="ru">Гришин Г.Е., Тихонов Г.И., Окольникова Г.Э.</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/24655">https://journals.rudn.ru/engineering-researches/article/view/24655</self-uri><abstract xml:lang="en"><p>Article provides an overview of the world and domestic samples of high-strength threaded rebar for pre-stress in concrete structures. First of all, their technical characteristics were analyzed that affect the speed of installation of buildings and structures and the metal content of reinforced concrete structures used in them. We also consider the individual characteristics of the profile of rebar that are specific to individual countries, followed by an assessment of their behavior in reinforced concrete structures. Special attention is paid to domestic developments in this direction, in order to assess the competitiveness of innovative profiles both within Russia and on the world market. One of the most important developments in recent years in our country is the rebar class Av1000P, the history of which described in the second chapter of this review. The reason for the development of this profile was significant problems related to the crack resistance, thrust and endurance of previous types of thread and periodic profiles of high-strength rebar products. In addition to the reinforcement profiles, a high-speed method of joining and anchoring with the help of coupling threaded connections was partially considered, which is only possible on a screw profile armature without labor-intensive threading on rods.</p></abstract><trans-abstract xml:lang="ru"><p>В статье делается обзор мировых и отечественных образцов винтового высокопрочного арматурного проката для предварительного напряжения в бетонных конструкциях. В первую очередь анализируются их технические характеристики, влияющие на скорость монтажа зданий и сооружений, а также на металлоемкость применяемых в них железобетонных конструкций. Рассматриваются индивидуальные особенности профиля арматурных прокатов, присущих отдельным странам, с последующей оценкой их поведения в железобетонных конструкциях. Особое внимание уделяется отечественным разработкам в этом направлении для оценки конкурентоспособности инновационных профилей как внутри России, так и на мировом рынке. Одной из самых главных разработок за последние годы в нашей стране является арматура класса Ав1000П, история появления которой описана во второй части обзора. Причиной создания данного профиля стали значительные проблемы, связанные с трещиностойкостью, распорностью и выносливостью предшествующих видов винтового и периодического профилей высокопрочного арматурного проката. Помимо арматурных профилей частично изучен скоростной способ стыковки и анкеровки при помощи муфтовых резьбовых соединений, возможный только на арматуре винтового профиля без трудоемкого нарезания резьбы на стержни.</p></trans-abstract><kwd-group xml:lang="en"><kwd>thread bar</kwd><kwd>tensile strength</kwd><kwd>hydraulic jack</kwd><kwd>anchor</kwd><kwd>coupling</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>винтовая арматура</kwd><kwd>прочность на растя- жение</kwd><kwd>гидравлический домкрат</kwd><kwd>анкер</kwd><kwd>муфта</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">Aliyev ShA. Sovmestnaya rabota betona i sterzhnevoi armatury periodicheskogo profilya [Joint work of concrete and rod reinforcement of periodic profile]. Baku; 1964. (In Russ.)</mixed-citation><mixed-citation xml:lang="ru">Алиев Ш.А. 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