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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">Structural Mechanics of Engineering Constructions and Buildings</journal-id><journal-title-group><journal-title xml:lang="en">Structural Mechanics of Engineering Constructions and Buildings</journal-title><trans-title-group xml:lang="ru"><trans-title>Строительная механика инженерных конструкций и сооружений</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1815-5235</issn><issn publication-format="electronic">2587-8700</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">49492</article-id><article-id pub-id-type="doi">10.22363/1815-5235-2025-21-6-537-550</article-id><article-id pub-id-type="edn">FOHZXB</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Analysis and design of building structures</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Расчет и проектирование строительных конструкций</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">Influence of Rotational Stiffness of Beam-to-Column Connection on Steel Frame Performance</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние изгибной жесткости соединения на работоспособность стального каркаса</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7535-1599</contrib-id><contrib-id contrib-id-type="spin">4032-1759</contrib-id><name-alternatives><name xml:lang="en"><surname>Sun</surname><given-names>Guofeng</given-names></name><name xml:lang="ru"><surname>Сунь</surname><given-names>Гофэн</given-names></name></name-alternatives><bio xml:lang="en"><p>Postgraduate student of the Department of Building Structures and Soil Mechanics</p></bio><bio xml:lang="ru"><p>аспирант кафедры строительных конструкций и механики грунтов</p></bio><email>guofeng.sun@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3675-6008</contrib-id><contrib-id contrib-id-type="spin">1201-1155</contrib-id><name-alternatives><name xml:lang="en"><surname>Mironova</surname><given-names>Lyudmila I.</given-names></name><name xml:lang="ru"><surname>Миронова</surname><given-names>Людмила Ивановна</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Pedagogical Sciences, Candidate of Technical Sciences, Professor of the Department of Building Structures and Soil Mechanics</p></bio><bio xml:lang="ru"><p>доктор педагогических наук, кандидат технических наук, профессор кафедры строительных конструкций и механики грунтов</p></bio><email>mironovali@urfu.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Ural Federal University named after the first President of Russia B.N.Yeltzin</institution></aff><aff><institution xml:lang="ru">Уральский федеральный университет имени первого Президента России Б.Н. Ельцина</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-04-03" publication-format="electronic"><day>03</day><month>04</month><year>2026</year></pub-date><volume>21</volume><issue>6</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>537</fpage><lpage>550</lpage><history><date date-type="received" iso-8601-date="2026-04-04"><day>04</day><month>04</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Sun G., Mironova L.I.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Сунь Г., Миронова Л.И.</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Sun G., Mironova L.I.</copyright-holder><copyright-holder xml:lang="ru">Сунь Г., Миронова Л.И.</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/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/49492">https://journals.rudn.ru/structural-mechanics/article/view/49492</self-uri><abstract xml:lang="en"><p>The object of this study is a bolted end-plate connection, which is considered as a semi-rigid connection based on the concept of steel connections corresponding to Eurocode 3. The aim of this work is to develop a method for calculating a steel frame with bolted end-plate connection and to identify the effect of joint displacement on the behavior of the entire frame. Method. The behavior of a steel frame with bolted flange connections is analyzed, in which the connection can partially rotate. In this case, the stiffness matrix can be used for the elastic-plastic analysis of a frame with semi-rigid connections. Optimization of the stiffness matrix is carried out taking into account the stiffness of the beam-column connection. A method for calculating the rotation angle of the beam-column joint is developed, taking into account the linear stiffness of the beam and the transverse stiffness of the column. Methods for calculating the bending stiffness of bolted flange connections of rotation, based on the component method from Eurocode 3, are summarized. The accuracy and effectiveness of the developed methodology were verified, and the results demonstrate a sufficiently high level of accuracy in the experiments. The results of the study include a frame design method that takes into account joint rotation and the influence of bending stiffness on the overall frame performance. Based on the results, it can be concluded that the developed methodology enables accurate prediction of the performance of steel frames with flanged connections, and that the optimal option for the tested steel frame is the use of flanged connections with a flange thickness of 16.4 mm.</p></abstract><trans-abstract xml:lang="ru"><p>Объектом исследования является стальной каркас с болтовыми фланцевыми соединения, которые рассматриваются как полужесткое соединение, основанное на понятии стальных соединений, соответствующем Еврокоду-3. Цель данной работы - разработка метода расчета стального каркаса с фланцевыми соединениями и выявление влияния перемещения узла на работу всего каркаса. Проведен анализ поведения стального каркаса с болтовыми фланцевыми соединениями, в котором соединение может частично поворачиваться. В этом случае матрица жесткости может быть использована для упругопластического анализа каркаса с полужесткими соединениями. Проведена оптимизация матрицы жесткости с учетом жесткости соединения балки с колонной. Разработан метод расчета угла поворота узла балки с колонной, учитывая линейную жесткость балки и поперечную жесткость колонны. Обобщены методы расчета изгибающей жесткости болтовых фланцевых соединений вращения, основанные на компонентном методе из Еврокода-3. Проведена верификация точности и эффективности разработанной методики, результаты которой свидетельствуют о достаточной высокой точности выполненных экспериментов. В качестве результатов выполненного исследования можно выделить собственно метод проектирования каркаса с учетом поворота узла и выявление влияния изгибной жесткости на работоспособность целого каркаса. На основании полученных результатов сделан вывод о том, что использование разработанной методики позволяет точно прогнозировать работу стальных каркасов с фланцевыми соединениями и оптимальным вариантом для проверенного стального каркаса является применение фланцевых соединений с толщиной фланца 16,4 мм.</p></trans-abstract><kwd-group xml:lang="en"><kwd>steel structure</kwd><kwd>stiffness matrix</kwd><kwd>stiffness ratio</kwd><kwd>rotation</kwd><kwd>failure mechanism</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>стальная конструкция</kwd><kwd>матрица жесткости</kwd><kwd>отношение жесткости</kwd><kwd>угол поворота</kwd><kwd>механизм разрушения</kwd></kwd-group><funding-group/></article-meta><fn-group/></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Li Q., Yue Q., Feng P., Xie N., Liu Y. Development status and prospect of steel structure industry based on carbon peak and carbon neutrality target. Progress in Steel Building Structures. 2022;24(4):1–7. https://doi.org/10.13969/j.cnki.cn311893.2022.04.001</mixed-citation><mixed-citation xml:lang="ru">Li Q., Yue Q., Feng P., Xie N., Liu Y. Development status and prospect of steel structure industry based on carbon peak and carbon neutrality target // Progress in Steel Building Structures. 2022. Vol. 24. No. 4. P. 1-7. https://doi.org/10.13969/j.cnki.cn31-1893.2022.04.001</mixed-citation></citation-alternatives></ref><ref id="B2"><label>2.</label><citation-alternatives><mixed-citation xml:lang="en">Danilov A.N. Steel construction development. Industrial and Civil Engineering. 2021;10:4–8. (In Russ.) https://doi.org/10.33622/0869-7019.2021.10.04-08</mixed-citation><mixed-citation xml:lang="ru">Данилов А.Н. Развитие отрасли стального строительства // Промышленное и гражданское строительство. 2021. № 10. С. 4-8. https://doi.org/10.33622/0869-7019.2021.10.04-08 EDN: YEGQZK</mixed-citation></citation-alternatives></ref><ref id="B3"><label>3.</label><citation-alternatives><mixed-citation xml:lang="en">Sun G.F., Mironova L.I. Reinforcement of end-plate connections under low cyclic loading. Construction of Unique Buildings and Structures. 2025;116:11603. https://doi.org/10.4123/CUBS.116.3 EDN: XVUVHY</mixed-citation><mixed-citation xml:lang="ru">Sun G.F., Mironova L.I. Reinforcement of end-plate connections under low cyclic loading // Construction of Unique Buildings and Structures. 2025. No. 116. Article no. 11603. https://doi.org/10.4123/CUBS.116.3 EDN: XVUVHY</mixed-citation></citation-alternatives></ref><ref id="B4"><label>4.</label><citation-alternatives><mixed-citation xml:lang="en">Hüseyin K., Gokhan S. Semi-Rigid connections in steel structures State-of-the-Art report on modelling, analysis and design. Steel and Composite Structures. 2022;45(1):1–21. https://doi.org/10.12989/scs.2022.45.1.001</mixed-citation><mixed-citation xml:lang="ru">Hüseyin K., Gokhan S. Semi-Rigid connections in steel structures State-of-the-Art report on modelling, analysis and design // Steel and Composite Structures. 2022. Vol. 45. No. 1. P. 1-21. https://doi.org/10.12989/scs.2022.45.1.001.</mixed-citation></citation-alternatives></ref><ref id="B5"><label>5.</label><citation-alternatives><mixed-citation xml:lang="en">Zhang Y., Wang M., Shi G. Parametric analysis and design method of bolted extended end-plate beam-column connections in portal frames retrofitted with prefabricated cover plate com-ponents. Journal of Building Engineering. 2025;111:113399. https://doi.org/10.1016/j.jobe.2025.113399</mixed-citation><mixed-citation xml:lang="ru">Zhang Y., Wang M., Shi G. Parametric analysis and design method of bolted extended end-plate beam-column connections in portal frames retrofitted with prefabricated cover plate com-ponents // Journal of Building Engineering. 2025. Vol. 111. Article no. 113399. https://doi.org/10.1016/j.jobe.2025.113399</mixed-citation></citation-alternatives></ref><ref id="B6"><label>6.</label><citation-alternatives><mixed-citation xml:lang="en">Liu X., Sha X., Guo C., Wang Y., Zhang Z. Simplified design methods of large-capacity moment end-plate connections. Structures. 2025;78:109095. https://doi.org/10.1016/j.istruc.2025.109095</mixed-citation><mixed-citation xml:lang="ru">Liu X., Sha X., Guo C., Wang Y., Zhang Z. Simplified design methods of large-capacity moment end-plate connections // Structures. 2025. Vol. 78. Article no. 109095. https://doi.org/10.1016/j.istruc.2025.109095</mixed-citation></citation-alternatives></ref><ref id="B7"><label>7.</label><citation-alternatives><mixed-citation xml:lang="en">Sun G., Mironova L.I., Liu C. Bending rigidity of bolt end-plate connections of joint beam to column. Building and Reconstruction. 2025;1:26–39. (In Russ.) https://doi.org/10.4123/CUBS.116.3 EDN: LNUUSN</mixed-citation><mixed-citation xml:lang="ru">Сунь Г., Миронова Л.И., Лю Ч. Изгибная жесткость болтовых фланцевых соединений балки с колонной // Строительство и реконструкция. 2025. Т. 117. № 1. С. 26-39. https://doi.org/10.33979/2073-7416-2025-117-1-26-39 EDN: LNUUSN</mixed-citation></citation-alternatives></ref><ref id="B8"><label>8.</label><citation-alternatives><mixed-citation xml:lang="en">Piluso V., Rizzano G. Experimental analysis and modelling of bolted T-stubs under cyclic loads. Journal of Constructional Steel Research. 2008;64(6): 655–669. https://doi.org/10.1016/j.jcsr.2007.12.009</mixed-citation><mixed-citation xml:lang="ru">Piluso V., Rizzano G. Experimental analysis and modelling of bolted T-stubs under cyclic loads // Journal of Constructional Steel Research. 2008. Vol. 64. No. 6. P. 655-669. https://doi.org/10.1016/j.jcsr.2007.12.009</mixed-citation></citation-alternatives></ref><ref id="B9"><label>9.</label><citation-alternatives><mixed-citation xml:lang="en">Özkılıç Y.O., Topkaya C. The plastic and the ultimate resistance of four-bolt extended end-plate connections. Journal of Constructional Steel Research. 2021;181:106614. https://doi.org/10.1016/j.jcsr.2021.106614 EDN: MSKFMB</mixed-citation><mixed-citation xml:lang="ru">Özkılıç Y.O., Topkaya C. The plastic and the ultimate resistance of four-bolt extended end-plate connections // Journal of Constructional Steel Research. 2021. Vol. 181. Article no. 106614. https://doi.org/10.1016/j.jcsr.2021.106614 EDN: MSKFMB</mixed-citation></citation-alternatives></ref><ref id="B10"><label>10.</label><citation-alternatives><mixed-citation xml:lang="en">Lu S., Chen H., Wang Z., Wang M. Exploration of the seismic behavior of full-scale steel frame with endplate connection based on component model. Structures. 2025;81:110245. https://doi.org/10.1016/j.istruc.2025.110245</mixed-citation><mixed-citation xml:lang="ru">Lu S., Chen H., Wang Z., Wang M. Exploration of the seismic behavior of full-scale steel frame with endplate connection based on component model // Structures. 2025. Vol. 81. Article no. 110245. https://doi.org/10.1016/j.istruc. 2025.110245</mixed-citation></citation-alternatives></ref><ref id="B11"><label>11.</label><citation-alternatives><mixed-citation xml:lang="en">Chen X., Liang Y., Li A., Dai Y., Yuan H. Structural performance of stainless steel frames with non-compact I-sections under monotonic loading. Thin-Walled Structures. 2025;217:113780. https://doi.org/10.1016/j.tws.2025.113780</mixed-citation><mixed-citation xml:lang="ru">Chen X., Liang Y., Li A., Dai Y., Yuan H. Structural performance of stainless steel frames with non-compact I-sections under monotonic loading // Thin-Walled Structures. 2025. Vol. 217. Article no. 113780. https://doi.org/10.1016/j.tws.2025.113780</mixed-citation></citation-alternatives></ref><ref id="B12"><label>12.</label><citation-alternatives><mixed-citation xml:lang="en">Truong V.H., Nguyen P.C., Kim S.E. An efficient method for optimizing space steel frames with semi-rigid joints using practical advanced analysis and the micro-genetic algorithm. Journal of Constructional Steel Research. 2017;128: 416–427. https://doi.org/10.1016/j.jcsr.2016.09.013</mixed-citation><mixed-citation xml:lang="ru">Truong V.H., Nguyen P.C., Kim S.E. An efficient method for optimizing space steel frames with semi-rigid joints using practical advanced analysis and the micro-genetic algorithm // Journal of Constructional Steel Research. 2017. Vol. 128. P. 416-427. https://doi.org/10.1016/j.jcsr.2016.09.013</mixed-citation></citation-alternatives></ref><ref id="B13"><label>13.</label><citation-alternatives><mixed-citation xml:lang="en">Artar M., Daloğlu A.T. Optimum weight design of steel space frames with semi-rigid connections using harmony search and genetic algorithms. Neural Computing and Applications. 2018;29:1089–1100. https://doi.org/10.1007/s00521016-2634-8 EDN: SOMRPE</mixed-citation><mixed-citation xml:lang="ru">Artar M., Daloğlu A.T. Optimum weight design of steel space frames with semi-rigid connections using harmony search and genetic algorithms // Neural Computing and Applications. 2018. Vol. 29. P. 1089-1100. https://doi.org/10.1007/s00521-016-2634-8 EDN: SOMRPE</mixed-citation></citation-alternatives></ref><ref id="B14"><label>14.</label><citation-alternatives><mixed-citation xml:lang="en">Ngo-Huu C., Kim S.E., Oh J.R. Nonlinear analysis of space steel frames using fiber plastic hinge concept. Engineering Structures. 2007;29:649–657. https://doi.org/10.1016/j.engstruct.2006.06.008</mixed-citation><mixed-citation xml:lang="ru">Ngo-Huu C., Kim S.E., Oh J.R. Nonlinear analysis of space steel frames using fiber plastic hinge concept // Engineering Structures. 2007. Vol. 29. P. 649-657. https://doi.org/10.1016/j.engstruct.2006.06.008</mixed-citation></citation-alternatives></ref><ref id="B15"><label>15.</label><citation-alternatives><mixed-citation xml:lang="en">Ngo-Huu C., Nguyen P.C., Kim S.E., Kim S.E. Second-order plastic-hinge analysis of space semi-rigid steel frames. Thin-Walled Structures. 2012;60:98–104. https://doi.org/10.1016/j.tws.2012.06.019</mixed-citation><mixed-citation xml:lang="ru">Ngo-Huu C., Nguyen P.C., Kim S.E. Second-order plastic-hinge analysis of space semi-rigid steel frames // ThinWalled Structures. 2012. Vol. 60. P. 98-104. https://doi.org/10.1016/j.tws.2012.06.019</mixed-citation></citation-alternatives></ref><ref id="B16"><label>16.</label><citation-alternatives><mixed-citation xml:lang="en">Kim S.E., Lee D.H. Second-order distributed plasticity analysis of space steel frames. Engineering Structures. 2002;24(6):735–744. https://doi.org/10.1016/S0141-0296(01)00136-5</mixed-citation><mixed-citation xml:lang="ru">Kim S.E., Lee D. H. Second-order distributed plasticity analysis of space steel frames // Engineering Structures. 2002. Vol. 24. No. 6. P. 735-744. https://doi.org/10.1016/S0141-0296(01)00136-5</mixed-citation></citation-alternatives></ref><ref id="B17"><label>17.</label><citation-alternatives><mixed-citation xml:lang="en">Sagiroglu M., Abdulkadir C.A. Design and analysis of non-linear space frames with Semi-rigid connections. Steel and Composite Structures. 2015;18(6):1405–1421. https://doi.org/10.12989/scs.2015.18.6.1405</mixed-citation><mixed-citation xml:lang="ru">Sagiroglu M., Abdulkadir C.A. Design and analysis of non-linear space frames with Semi-rigid connections // Steel and Composite Structures. 2015. Vol. 18. No. 6. P. 1405-1421. https://doi.org/10.12989/scs.2015.18.6.1405</mixed-citation></citation-alternatives></ref><ref id="B18"><label>18.</label><citation-alternatives><mixed-citation xml:lang="en">Shafray S. The influence constructive-technological form of the flanged connection on his capacity to work. News of higher educational institutions. Construction. 2012;9:92–100. (In Russ.) EDN: PYYPXN</mixed-citation><mixed-citation xml:lang="ru">Шафрай С.Д. Влияние конструктивно-технологической формы фланцевого соединения на его работоспособность // Известия вузов. Строительство. 2012. № 9. С. 92-100. EDN: PYYPXN</mixed-citation></citation-alternatives></ref><ref id="B19"><label>19.</label><citation-alternatives><mixed-citation xml:lang="en">Shafray K., Shafray S. Features the work of flanged connections architectural and building structures. vnecentrennoe tensile bolts. News of higher educational institutions. 2013;7:84–92. (In Russ.) EDN: PUMYSJ</mixed-citation><mixed-citation xml:lang="ru">Шафрай К.А., Шафрай С.Д. Особенности работы фланцевых соединений архитектурно-строительных конструкций. Внецентренное растяжение болтов // Известия вузов. Строительство. 2013. № 7. С. 84-92. EDN: PUMYSJ</mixed-citation></citation-alternatives></ref><ref id="B20"><label>20.</label><citation-alternatives><mixed-citation xml:lang="en">Shafray K., Shafray S. Features the work of flanged connections for building structures. Contact pressure and prying forces. News of higher educational institutions. 2013;11-12:89–96. (In Russ.) EDN: SAWVCV</mixed-citation><mixed-citation xml:lang="ru">Шафрай К.А., Шафрай С.Д. Особенности работы фланцевых соединений архитектурно-строительных конструкций. Контактные напряжения и рычажные силы // Известия вузов. Строительство. 2013. № 11-12. С. 89-96. EDN: SAWVCV</mixed-citation></citation-alternatives></ref><ref id="B21"><label>21.</label><citation-alternatives><mixed-citation xml:lang="en">Shafray K., Shafray S. Features of architectural design of flanged joints. Regional architectural and art schools. 2014;1:148–154. (In Russ.) EDN: PUMYSJ</mixed-citation><mixed-citation xml:lang="ru">Шафрай К.А., Шафрай С.Д. Особенности архитектурного конструирования фланцевых соединений // Региональные архитектурно-художественные школы. 2014. № 1. С. 148-154. EDN: PUMYSJ</mixed-citation></citation-alternatives></ref><ref id="B22"><label>22.</label><citation-alternatives><mixed-citation xml:lang="en">Shafray K., Shafray S. Strength of welds flanges steel structures. News of higher educational institutions. 2018; 8:36–47. EDN: YSFVHN</mixed-citation><mixed-citation xml:lang="ru">Шафрай К.А., Шафрай С.Д. Прочность сварных швов фланцевых соединений стальных конструкций // Известия вузов. Строительство. 2018. № 8. С. 36-47. EDN: YSFVHN</mixed-citation></citation-alternatives></ref><ref id="B23"><label>23.</label><citation-alternatives><mixed-citation xml:lang="en">Shafray K., Shafray S. Work flange connections of structural elements of an open profile on high-strength bolts. Journal of Physics Conference Series. 2019;1:012072. (In Russ.) https://doi.org/10.1088/1742-6596/1425/1/012072 EDN: VYACXC</mixed-citation><mixed-citation xml:lang="ru">Shafray K., Shafray S. Work flange connections of structural elements of an open profile on high-strength bolts // Journal of Physics Conference Series. 2019. No. 1. Article no. 012072. https://doi.org/10.1088/1742-6596/1425/1/012072 EDN: VYACXC</mixed-citation></citation-alternatives></ref><ref id="B24"><label>24.</label><citation-alternatives><mixed-citation xml:lang="en">Perelmuter A.V., Kriskunov E.Z., Yurchenko V.V. Design of flange bolt connections according to the Eurocode and Ukrainian codes: Coordination and contradictions. Metal constructions. 2010;16(2):93–104. (In Russ.) EDN: MUVVGT</mixed-citation><mixed-citation xml:lang="ru">Перельмутер А.В., Крискунов Э.З., Юрченко В.В. Проектирование болтовых фланцевых соединений согласно Eurocode и украинским нормам: согласованность и противоречия // Металлические конструкции. 2010. Т. 16. № 2. С. 93-104. EDN: MUVVGT</mixed-citation></citation-alternatives></ref><ref id="B25"><label>25.</label><citation-alternatives><mixed-citation xml:lang="en">Lu S., Wang Z., Pan J., Wang P. The seismic performance analysis of semi-rigid spatial steel frames based on moment-rotation curves of end-plate connection. Structures. 2022;36:1032–1049. https://doi.org/10.1016/j.istruc.2021.12.064</mixed-citation><mixed-citation xml:lang="ru">Lu S., Wang Z., Pan J., Wang P. The seismic performance analysis of semi-rigid spatial steel frames based on moment-rotation curves of end-plate connection // Structures. 2022. Vol. 36. P. 1032-1049. https://doi.org/10.1016/j.istruc. 2021.12.064 EDN: HYCLEP</mixed-citation></citation-alternatives></ref></ref-list></back></article>
