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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">construction</journal-id><journal-title-group><journal-title xml:lang="ru">Строительство и реконструкция</journal-title><trans-title-group xml:lang="en"><trans-title>Building and Reconstruction</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7416</issn><publisher><publisher-name>Орловский государственный университет имени И.С. Тургенева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33979/2073-7416-2021-97-5-40-50</article-id><article-id custom-type="elpub" pub-id-type="custom">construction-404</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>БЕЗОПАСНОСТЬ ЗДАНИЙ И СООРУЖЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING AND STRUCTURE SAFETY</subject></subj-group></article-categories><title-group><article-title>Живучесть рамно-стержневого железобетонного каркаса здания в запредельных состояниях</article-title><trans-title-group xml:lang="en"><trans-title>Survivability of the frame-rod reinforced concrete building framework in accidental action</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Андросова</surname><given-names>Н. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Androsova</surname><given-names>N. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андросова Наталия Борисовна - кандидат технических наук, доцент, заведующая кафедрой строительных конструкций и материалов ОГУ им. И.С.Тургенева; старший научный сотрудник НИИСФ РААСН.</p><p>Орел; Москва.</p></bio><bio xml:lang="en"><p>Natalia B. Androsova - candidate of technical science, docent, head of the department of building constructions and materials, Orel State University named after I.S. Turgenev; starshiy nauchnyy sotrudnik, Research Institute of Building Physics of Russian Academy of Architecture and Construction Sciences.</p><p>Orel; Moscow.</p></bio><email xlink:type="simple">ramia84@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Колчунов</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolchunov</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Колчунов Виталий Иванович - доктор технических наук, профессор кафедры железобетонных и каменных конструкций НИУ МГСУ; главный научный сотрудник НИИСФ РААСН.</p><p>Москва.</p></bio><bio xml:lang="en"><p>Vitaly I. Kolchunov - doctor of Technical Sciences, professor of the department of reinforced concrete and stone structures, Moscow State University of Civil Engineering (National Research University (MGSU); glavniy nauchnyy sotrudnik, Research Institute of Building Physics of Russian Academy of Architecture and Construction Sciences.</p><p>Moscow.</p></bio><email xlink:type="simple">asiorel@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Орловский государственный университет имени И.С. Тургенева; Научно-исследовательский институт строительной физики Российской академии архитектуры и строительных наук</institution></aff><aff xml:lang="en"><institution>Orel State University named after I.S. Turgenev; Research Institute of Building Physics of Russian Academy of Architecture and Construction Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский Московский государственный строительный университет; Научно-исследовательский институт строительной физики Российской академии архитектуры и строительных наук</institution></aff><aff xml:lang="en"><institution>Moscow State University of Civil Engineering; Research Institute of Building Physics of Russian Academy of Architecture and Construction Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>07</day><month>12</month><year>2021</year></pub-date><volume>0</volume><issue>5</issue><fpage>40</fpage><lpage>50</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Андросова Н.Б., Колчунов В.И., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Андросова Н.Б., Колчунов В.И.</copyright-holder><copyright-holder xml:lang="en">Androsova N.B., Kolchunov V.I.</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://construction.elpub.ru/jour/article/view/404">https://construction.elpub.ru/jour/article/view/404</self-uri><abstract><p>Изложены методика и алгоритм расчета параметров живучести длительно деформируемого железобетонного каркаса здания в запредельных состояниях. Аналитические зависимости для определения значения меры ползучести приняты в соответствии с использованием приближенных зависимостей из рекомендаций НИИЖБ. На этой основе предложена методика определения изгибной жесткости поперечного сечения элементов каркаса. Сформулирован деформационный критерий особого предельного состояния с учетом неравновесных процессов длительной деформации элементов конструктивной системы. Приведены результаты численного анализа потенциала живучести длительно деформируемого железобетонного каркаса при внезапном удалении одного из конструктивных элементов с учетом предыстории длительного деформирования рассматриваемого каркаса здания при эксплуатационной нагрузке. Определена экспозиция живучести конструктивной системы с момента ее нагружения до превращения в кинематически изменяемую систему.</p></abstract><trans-abstract xml:lang="en"><p>A methodology and an algorithm for calculating the survivability parameters of a long-term deformable reinforced concrete building frame in extreme states are presented. Analytical dependencies for determining the value of the creep measure are taken in accordance with the use of approximate dependencies from the recommendations of the NIIZHB. On this basis, a method is proposed for determining the cross-section bending stiffness of the frame elements. The deformation criterion of a special limiting state is formulated taking into account the nonequilibrium processes of prolonged deformation of the structural system elements. The numerical analysis results of the longterm deformable reinforced concrete frame survivability potential with a sudden removal of the one structural element, taking into account the long-term deformation prehistory of the considered building frame under an operating load, are presented. The exposure of the structural system survivability from the its loading moment to its transformation into a kinematically variable system has been determined.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>прогрессирующее обрушение</kwd><kwd>потенциал живучести</kwd><kwd>железобетонные конструкции</kwd><kwd>ползучесть</kwd><kwd>особое воздействие</kwd></kwd-group><kwd-group xml:lang="en"><kwd>progressive collapse</kwd><kwd>survivability potential</kwd><kwd>reinforced concrete structures</kwd><kwd>creep</kwd><kwd>accidental action</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">Алмазов В.О. Проблемы прогрессирующего разрушения // Строительство и реконструкция. 2014. №6. С. 3-10.</mixed-citation><mixed-citation xml:lang="en">Almazov V.O. Problemy progressiruyushchego razrusheniya // Stroitel'stvo i rekonstrukciya. 2014. №6. 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