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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">10.22227/2949-1622.2024.1.57-67</article-id><article-id custom-type="elpub" pub-id-type="custom">concconc-43</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>КОМПЬЮТЕРНОЕ МОДЕЛИРОВАНИЕ В СТРОИТЕЛЬСТВЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>COMPUTER MODELLING IN CONSTRUCTION</subject></subj-group></article-categories><title-group><article-title>Обеспечение сейсмостойкости железобетонных зданий</article-title><trans-title-group xml:lang="en"><trans-title>Ensuring Seismic Resistance of Reinforced Concrete Buildings</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2828-3693</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мкртычев</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mkrtychev</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мкртычев Олег Вартанович, доктор технических наук, профессор, заведующий кафедрой «Сопротивление материалов»</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p>Scopus: 56449249100, ResearcherID: Q-2370-2017</p></bio><bio xml:lang="en"><p>Mkrtychev Oleg Vartanovich, Doctor of Technical Sciences, Professor, Head of the Department of Strength of Materials</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p><p>Scopus: 56449249100, ResearcherID: Q-2370-2017</p></bio><email xlink:type="simple">mkrtychev@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8267-2665</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Решетов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Reshchetov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Решетов Андрей Александрович, кандидат технических наук, научный сотрудник НИЦ НИСС НИУ МГСУ</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p>Scopus: 57197187290</p></bio><bio xml:lang="en"><p>Reshchetov Andrey Aleksandrovich, Candidate of Technical Sciences, researcher at the Research Center NISS National Research University MGSU</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p><p>Scopus: 57197187290</p></bio><email xlink:type="simple">andrew331@bk.ru</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>2024</year></pub-date><pub-date pub-type="epub"><day>08</day><month>02</month><year>2024</year></pub-date><volume>5</volume><issue>1</issue><fpage>57</fpage><lpage>67</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мкртычев О.В., Решетов А.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Мкртычев О.В., Решетов А.А.</copyright-holder><copyright-holder xml:lang="en">Mkrtychev O.V., Reshchetov A.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.g-b-k.ru/jour/article/view/43">https://www.g-b-k.ru/jour/article/view/43</self-uri><abstract><p>В большинстве современных исследований, как правило, не учитывается случайный характер сейсмического воздействия, которое является ярко выраженным нестационарным случайным процессом. Адекватная оценка сейсмостойкости зданий и сооружений возможна только на основе методик, позволяющих учесть большую изменчивость параметров сейсмического воздействия. В статье представлена вероятностная методика расчета многоэтажных железобетонных зданий, проектируемых в сейсмически районах с учетом физической, геометрической и конструктивной нелинейности, а также взаимодействия сооружения с нелинейно-деформируемым основанием. Разработанная методика позволяет обеспечить требуемый уровень сейсмостойкости для проектируемых зданий на основе критерия необрушения. В качестве примера рассматривается расчет многоэтажного железобетонного здания. Внешнее сейсмическое воздействие рассматривается в виде нестационарного случайного процесса, который получен посредством умножения стационарного случайного процесса на детерминированную огибающую функцию. Для моделирования нелинейной работы железобетонных конструкций используется модель бетона с функцией накопления повреждений при циклических нагрузках, а также учитывающая деградацию прочности и жесткости материала при интенсивном землетрясении. Расчет проводился с использованием явных методов интегрирования уравнений движения на вычислительном кластере с применением технологии параллельных вычислений. Представленная методика позволяет исследовать характер разрушения железобетонных конструкций при интенсивных землетрясениях и выявлять зоны с дефицитом несущей способности. Предлагаемый вероятностный подход к моделированию сейсмического воздействия как реализации нестационарного случайного процесса с заданными параметрами совместно с учетом нелинейного деформирования железобетонных конструкций здания и основания позволяет управлять уровнем надежности и проектировать здания с заданной обеспеченностью сейсмостойкости.</p></abstract><trans-abstract xml:lang="en"><p>There are a large number of works on a comprehensive assessment of the seismic resistance of buildings and structures. However, these studies, as a rule, do not take into account the random nature of the seismic impact, which is a pronounced non-stationary random process. An adequate assessment of the seismic resistance of buildings and structures is possible only on the basis of methods that allow taking into account the large variability of seismic impact parameters. The article presents a probabilistic method for calculating multi-storey reinforced concrete buildings designed in seismic regions, taking into account the interaction of a building with a non-linearly deformable foundation. The developed technique makes it possible to provide the required level of seismic resistance for the designed buildings based on the non-collapse criterion. As an ex-ample, the calculation of a multi-storey reinforced concrete building is considered. External seismic action is represented as a non-stationary random process. The external seismic action is considered as a non-stationary random process, which is obtained by multiplying the stationary random process by a deterministic envelope function. The parameters necessary for constructing the envelope and the stationary random process were obtained from the results of processing the available database of intense earthquakes. The stationary random process was generated by the shaping filter method. The impact parameters are based on the results of processing the available database of intense earthquakes. When modeling reinforced concrete structures, a concrete model is used with the function of damage accumulation under cyclic loads, as well as taking into ac-count the degradation of the strength and stiffness of the material during an intense earthquake. Accounting for the interaction of the building with the soil base is implemented using the SSI interface (Soil Structure Interaction). To prevent the influence of waves reflected from the boundaries of a limited ground massif, a PML layer (Perfectly Matched Layer) is used. The calculation was carried out using explicit methods for integrating the equations of motion on a computing cluster using parallel computing technology. The presented technique makes it possible to investigate the nature of the destruction of reinforced concrete structures during intense earthquakes and to identify zones with a deficiency in bearing capacity. The proposed probabilistic approach to modeling seismic impact as an implementation of a non-stationary random process with given parameters, together with taking into account the nonlinear deformation of the reinforced concrete structures of the building and foundation, allows you to control the level of reliability and design buildings with a given seismic resistance.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сейсмическое воздействие</kwd><kwd>моделирование акселерограмм</kwd><kwd>накопление повреждений</kwd><kwd>сейсмостойкость сооружений</kwd><kwd>нелинейно-деформируемое основание</kwd><kwd>PML-слой</kwd><kwd>SSI-интерфейс</kwd><kwd>явные методы интегрирования уравнений движения</kwd><kwd>высокопроизводительные вычисления</kwd><kwd>нелинейная динамика</kwd></kwd-group><kwd-group xml:lang="en"><kwd>seismic impact</kwd><kwd>accelerogram modeling</kwd><kwd>damage accumulation</kwd><kwd>seismic resistance of structures</kwd><kwd>nonlinear deformable foundation</kwd><kwd>PML layer</kwd><kwd>SSI interface</kwd><kwd>explicit methods for integrating equations of motion</kwd><kwd>high-performance computing</kwd><kwd>nonlinear dynamics</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа финансировалась Министерством науки и высшего образования РФ, проект № FSWG-2023-0004 «Система территориальной сейсмической защиты критически важных объектов инфраструктуры на основе гранулированных метаматериалов, обладающих свойствами широкодиапазонных фононных кристаллов».</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Wolf J.P. 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