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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">concconc</journal-id><journal-title-group><journal-title xml:lang="ru">Железобетонные конструкции</journal-title><trans-title-group xml:lang="en"><trans-title>Reinforced concrete structures</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2949-1622</issn><issn pub-type="epub">2949-1614</issn><publisher><publisher-name>Национальный исследовательский Московский государственный строительный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/2949-1622.2025.2.30-40</article-id><article-id custom-type="elpub" pub-id-type="custom">concconc-74</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 БЕТОНА И ЖЕЛЕЗОБЕТОНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>THEORY OF CONCRETE AND REINFORCED CONCRETE</subject></subj-group></article-categories><title-group><article-title>Несущая способность железобетонных балок из высокопрочного бетона с продольной арматурой из стали St 37 и дамасской стали</article-title><trans-title-group xml:lang="en"><trans-title>Comparative Study of High-Performance Concrete Beams Reinforced with St 37 Rebar and Damascus Steel Rebar</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0090-5745</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хематибахар</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Hematibahar</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мохаммад Хематибахар, магистр, департамент промышленного и гражданского строительства</p><p>Баболь</p></bio><bio xml:lang="en"><p>Mohammad Hematibahar, MSc., Civil Engineering Department</p><p>Babol</p></bio><email xlink:type="simple">eng.m.hematibahar1994@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7433-9379</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Банджара</surname><given-names>Н. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Banjara</surname><given-names>N. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Навал Кишор Банджара, кандидат технических наук, доцент</p><p>Рурки</p></bio><bio xml:lang="en"><p>Nawal Kishor Banjara, Dr.</p><p>Roorkee</p></bio><email xlink:type="simple">nawal1234@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2773-4114</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Харун</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharun</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Махмуд Харун, кандидат технических наук, доцент, доцент кафедры железобетонных и каменных конструкций</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p></bio><bio xml:lang="en"><p>Makhmud Kharun, Ph.D., Associate Professor of the Department of Reinforced Concrete and Masonry Structures</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p></bio><email xlink:type="simple">miharun@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Бабольский технологический университет имени Ноширвани</institution><country>Иран</country></aff><aff xml:lang="en"><institution>Babol Noshirvani University of Technology</institution><country>Islamic Republic of Iran</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>СНПИ-Центральный научно-исследовательский институт строительства</institution><country>Индия</country></aff><aff xml:lang="en"><institution>CSIR-Central Building Research Institute</institution><country>India</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Национальный исследовательский Московский государственный строительный университет (НИУ МГСУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Civil Engineering (National Research University) (MGSU)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>25</day><month>06</month><year>2025</year></pub-date><volume>10</volume><issue>2</issue><fpage>30</fpage><lpage>40</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хематибахар М., Банджара Н., Харун М., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Хематибахар М., Банджара Н., Харун М.</copyright-holder><copyright-holder xml:lang="en">Hematibahar M., Banjara N., Kharun M.</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://www.g-b-k.ru/jour/article/view/74">https://www.g-b-k.ru/jour/article/view/74</self-uri><abstract><p>В данном исследовании были рассмотрено влияние на несущую способность железобетонных балок из высокопрочного бетона продольного армирования, выполненного стержнями из стали St 37 и из дамасской стали. Исследуемые балки были изготовлены из высокопрочного бетона (HPC) и армировались стальными стержнями St 37 (SSR) диаметром 10, 12 и 14, а также 150-, 250-и 350-слойными стальными стержнями из дамасской стали (DSR). Результаты испытаний несущей способности при изгибе показали, что балки из высокопрочного бетона и арматурой из дамасской стали (DSR) с 250 слоями со средней прочностью на разрыв 857,27 МПа могут выдерживать нагрузку 52,19 кН, в то время как балки из высокопрочного бетона, армированные стержнями SSR 10 со средней прочностью на разрыв 485,34 МПа, могут выдерживать в среднем 69,52 кН. Балки из высокопрочного бетона с арматурой из стали SSR благодаря периодическому профилю способны выдерживать более высокую нагрузку при изгибе, в то время как балки с арматурой из дамасской стали DSR с гладкой поверхностью воспринимали более низкие нагрузки, хотя прочность на разрыв DSR выше, чем у SSR. Периодический профиль арматурных стержней имеет основополагающее значение для увеличения несущей способности при изгибе, поскольку обеспечивает прочность сцепления между стальной арматурой и бетоном.</p></abstract><trans-abstract xml:lang="en"><p>This study investigated the differences between reinforcement with St 37 steel bars and Damascus steel bars. The studied beams were made of high-performance concrete (HPC) reinforced with St 37 steel re-bars (SSR) of 10, 12 and 14, as well as 150-, 250-and 350-layers of Damascus steel rebars (DSR). The flexural strength tests results showed that HPC beams with 250-layers of DSR (with an average tensile strength of 857.27 MPa) can withstand an average flexural load of 52.19 kN, while HPC beams with SSR of 10 (with an average tensile strength of 485.34 MPa) can withstand an average of 69.52 kN. HPC beams with SSR, due to the ribbed structure of the steel rebars, are capable to withstand high flexural loads, whereas due to the absence of ribs on the surface of the DSR, HPC beams with it are capable to withstand low flexural loads, although the tensile strength of DSR is higher than that of SSR. The ribbed structure of the steel rebars is of fundamental importance for increasing the flexural strength, as it ensures the bond strength between the steel rebar and the concrete.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>высокопрочный бетон</kwd><kwd>арматура из стали St 37</kwd><kwd>арматура из дамасской стали</kwd><kwd>предел прочности на разрыв</kwd><kwd>предел прочности на изгиб</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high-performance concrete</kwd><kwd>St 37 steel rebar</kwd><kwd>Damascus steel rebar</kwd><kwd>tensile strength</kwd><kwd>flexural strength</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">Aı̈ tcin P.C. The durability characteristics of high performance concrete: a review. Cement and Concrete Composites. 2003; 25:409-420.</mixed-citation><mixed-citation xml:lang="en">Aı̈ tcin P.C. 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