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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="abstract" 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">21083</article-id><article-id pub-id-type="doi">10.22363/1815-5235-2019-15-2-158-168</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Dynamics of structures and buildings</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Динамика конструкций и сооружений</subject></subj-group><subj-group subj-group-type="article-type"><subject>Abstract</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Static and dynamic analyses of the heightening of concrete face gravel dam Limon (Peru)</article-title><trans-title-group xml:lang="ru"><trans-title>Статические и динамические расчеты наращивания грунтовой плотины с бетонным экраном Лимон (Перу)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lyapichev</surname><given-names>Yury P</given-names></name><name xml:lang="ru"><surname>Ляпичев</surname><given-names>Юрий Петрович</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Technical Sciences, Professor, Expert of JSC “Hydroproject Institute” for foreign projects, Member of International Commission on Large Dams (ICOLD).</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор, эксперт по зарубежным проектам, АО «Институт Гидропроект», член Международной комиссии по большим плотинам (ICOLD).</p></bio><email>lyapichev@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">JSC “Institute Hydroproject”, International Commission on Large Dams (ICOLD)</institution></aff><aff><institution xml:lang="ru">АО «Институт “Гидропроект”», Международная комиссия по большим плотинам (ICOLD)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2019</year></pub-date><volume>15</volume><issue>2</issue><issue-title xml:lang="en">VOL 15, NO2 (2019)</issue-title><issue-title xml:lang="ru">ТОМ 15, №2 (2019)</issue-title><fpage>158</fpage><lpage>168</lpage><history><date date-type="received" iso-8601-date="2019-05-14"><day>14</day><month>05</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Lyapichev Y.P.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Ляпичев Ю.П.</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Lyapichev Y.P.</copyright-holder><copyright-holder xml:lang="ru">Ляпичев Ю.П.</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/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/21083">https://journals.rudn.ru/structural-mechanics/article/view/21083</self-uri><abstract xml:lang="en"><p>Aims of research. Expert validation of all proposed design solutions, development of necessary design solutions for the heightening of the Limon dam according to the ICOLD recommendations. Methods. The detailed static and seismic (dynamic) analyses of stressstrain state and seepage of concrete face rockfill dam Limon (Peru) were performed using the advanced software FLAC-3D (USA) and PLAXIS 2D (Holland), respectively. The elasto-plastic model with Mohr - Coulomb criterion with variable shear angles of gravel and pebble zones of dam materials and its foundation soils was used in the static and seismic (dynamic) analyses of the dam. The dynamic nonlinear analyses of stress-strain state of two variants of Limon dam with full reservoir under Maximum Credible Earthquake (MCE) action of the Mar-Chile Earthquake accelerogram. Results. On the base of these analyses the recommendations were developed for the project of the dam heightening from 43 up to 82 m before the initial filling of the reservoir. Expert validation of all proposed design solutions, necessary design solutions for the heightening of the Limon dam were developed according to the ICOLD recommendations.</p></abstract><trans-abstract xml:lang="ru"><p>Цели. Экспертная проверка предложенных проектных решений, разработка необходимых проектных решений по наращиванию плотины Лимон согласно рекомендациям ICOLD. Методы. Подробные статические и сейсмические (динамические) расчеты напряженно-деформированного состояния (НДС) и фильтрации грунтовой плотины Лимон (Перу) с бетонным экраном были выполнены с использованием передовых программ численных расчетов FLAC-3D (США) и PLAXIS 2D (Голландия) соответственно. В статических и сейсмических (динамических) расчетах плотины Лимон использовалась упруго-пластическая модель Мора - Кулона с переменным углом сдвига гравийных и галечниковых зон плотины и грунтов ее основания. В динамических нелинейных расчетах НДС двух вариантов плотины Лимон при наполненном водохранилище использовалось акселерограмма максимального возможного землетрясения (МВЗ) Mar-Chile. Результаты. На основе полученных расчетов были разработаны рекомендации по проекту наращивания плотины с первоначальной высоты ( H = 43 м) до 82 м перед первым наполнением водохранилища. Экспертная оценка всех необходимых проектных решений по наращиванию плотины Лимон была выполнена в соответствии с рекомендациями Международной комиссии по большим плотинам (ICOLD).</p></trans-abstract><kwd-group xml:lang="en"><kwd>concrete face gravel dam (CFGD)</kwd><kwd>nonlinear dynamic analysis</kwd><kwd>ground acceleration</kwd><kwd>earthquake accelerogram</kwd><kwd>seepage analysis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>грунтовая плотина с бетонным экраном (CFGD)</kwd><kwd>нелинейный сейсмический (динамический) расчет</kwd><kwd>ускорение основания</kwd><kwd>акселерограмма землетрясения</kwd><kwd>расчет фильтрации</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">ICOLD Bulletin 148. (2010). Selecting seismic parameters for large dams. Guidelines.</mixed-citation><mixed-citation xml:lang="ru">ICOLD Bulletin 148. Selecting seismic parameters for large dams. 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