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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">nsojout</journal-id><journal-title-group><journal-title xml:lang="ru">Строительство: наука и образование</journal-title><trans-title-group xml:lang="en"><trans-title>Construction: Science and Education</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2305-5502</issn><publisher><publisher-name>ФГБОУ ВО «Национальный исследовательский Московский государственный строительный университет»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/2305-5502.2026.1.2</article-id><article-id custom-type="elpub" pub-id-type="custom">nsojout-344</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>Строительные конструкции. Основания и фундаменты. Технология и организация строительства. Проектирование зданий и сооружений. Инженерные изыскания и обследование зданий</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Building structures. Soils and foundations. Technology and organization of construction. Designing of buildings and constructions. Engineering survey and inspection of buildings</subject></subj-group></article-categories><title-group><article-title>Результаты расчетных исследований русловых зданий гидроэлектростанций при сейсмических воздействиях</article-title><trans-title-group xml:lang="en"><trans-title>Results of computational studies of the riverbed structures of a hydroelectric power stations under seismic loads</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-4090-4353</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алмасри</surname><given-names>А.</given-names></name><name name-style="western" xml:lang="en"><surname>Almasri</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Амер Алмасри — аспирант кафедры гидравлики и гидротехнического строительства</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p></bio><bio xml:lang="en"><p>Amer Almasri — postgraduate student of the Department of Hydraulics and Hydraulic Engineering</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p></bio><email xlink:type="simple">ameralmasri3522@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><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>2026</year></pub-date><pub-date pub-type="epub"><day>31</day><month>03</month><year>2026</year></pub-date><volume>16</volume><issue>1</issue><fpage>19</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алмасри А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Алмасри А.</copyright-holder><copyright-holder xml:lang="en">Almasri 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://www.nso-journal.ru/jour/article/view/344">https://www.nso-journal.ru/jour/article/view/344</self-uri><abstract><sec><title>Введение</title><p>Введение. Рассматриваются русловые напорные здания гидроэлектростанций (ГЭС). В состав таких зданий входят железобетонные бычки, напорные стены совместно с перекрытиями машинных залов, фундаментные плиты др. Они имеют межблочные строительные швы. В процессе многолетней эксплуатации возникают проблемы, из-за которых происходит снижение эксплуатационных характеристик железобетонных конструкций зданий ГЭС.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Железобетонная конструкция руслового напорного здания ГЭС Тишрин моделировалась в объемной постановке в рамках метода конечных элементов для определения напряженно-деформированного состояния (НДС) при сейсмическом воздействии интенсивностью более 8 баллов. Соответствующие расчеты проводились на основе динамической теории с использованием акселерограмм.</p></sec><sec><title>Результаты</title><p>Результаты. Расчеты НДС железобетонного руслового напорного здания ГЭС Тишрин показали, что под действием растягивающих напряжений происходит раскрытие межблочных строительных швов, контактного шва между подошвой здания ГЭС и основанием, а также образование трещин в монолитной части.</p></sec><sec><title>Выводы</title><p>Выводы. С учетом полученных результатов расчетов возникла необходимость усиления железобетонных конструкций здания ГЭС Тишрин, например, с применением предварительно напряженной композитной арматуры.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. A separate category includes river-bed pressure buildings of hydroelectric power plants. Such buildings include reinforced concrete piers, beams, pressure walls together with the floors of machine rooms, foundation slabs, etc. At the same time, as an integral element, they have inter-block construction joints. During the long-term operation, problems arise, which lead to a decrease in the operational characteristics of reinforced concrete structures of hydroelectric power plant buildings.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The reinforced concrete structure of the Tishrin hydroelectric power plant’s channel pressure building was modelled using the finite element method to determine the stress-strain state under the influence of an earthquake with an intensity of more than 8 points. The corresponding calculations were performed based on dynamic theory using accelerograms.</p></sec><sec><title>Results</title><p>Results. The calculations of the stress-strain state of the reinforced concrete channel pressure building of the Tishrin hydroelectric power plant showed that the opening of the inter-block construction joints, the contact joint between the base of the hydroelectric power plant building and the foundation, and the formation of cracks in the monolithic part occur under the influence of tensile stresses.</p></sec><sec><title>Conclusions</title><p>Conclusions. Based on the results of the calculations, it was necessary to reinforce the reinforced concrete structures of the Tishrin hydroelectric power plant, for example, by using pre-stressed composite reinforcement.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>здания ГЭС в русле реки</kwd><kwd>гидравлический напор воды</kwd><kwd>метод конечных элементов</kwd><kwd>сейсмическое воздействие интенсивностью более 8 баллов</kwd><kwd>усиление композитной арматурой</kwd><kwd>предварительное напряжение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hydroelectric power plant buildings in the riverbed</kwd><kwd>hydraulic water pressure</kwd><kwd>finite element method</kwd><kwd>seismic intensity of more than 8 points</kwd><kwd>reinforcement with composite rebar</kwd><kwd>and pre-stressing</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">Raja A.K., Srivastava P.A., Dwivedi M. 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