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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">mgssuvest</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник МГСУ</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik MGSU</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-0935</issn><issn pub-type="epub">2304-6600</issn><publisher><publisher-name>Moscow State University of Civil Engineering (National Research University) (MGSU)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/1997-0935.2025.8.1211-1220</article-id><article-id custom-type="elpub" pub-id-type="custom">mgssuvest-699</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>Гидравлика. Геотехника. Гидротехническое строительство</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Hydraulics. Geotechnique. Hydrotechnical construction</subject></subj-group></article-categories><title-group><article-title>Анализ влияния циклического нагружения на осадку глинистого основания резервуара</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of the influence of cyclic loading on the settlement of clay base of tank</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7556-6573</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Акбулякова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Akbulyakova</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгения Николаевна Акбулякова — кандидат технических наук, доцент, доцент кафедры строительного производства и геотехники</p><p>614990, г. Пермь, Комсомольский пр., д. 29</p><p>Scopus: 56320563700, ResearcherID: E-3018-2018</p></bio><bio xml:lang="en"><p>Evgeniya N. Akbulyakova — Candidate of Technical Sciences, Associate Professor, Associate Professor of the Department of Construction Operations and Geotechnical Engineering</p><p>29 Komsomolsky prospect, Perm, 614990</p><p>Scopus: 56320563700, ResearcherID: E-3018-2018</p></bio><email xlink:type="simple">aspirant123@mail.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>Казаринова</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazarinova</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карина Алексеевна Казаринова — магистрант</p><p>614990, г. Пермь, Комсомольский пр., д. 29</p></bio><bio xml:lang="en"><p>Karina A. Kazarinova — master student</p><p>29 Komsomolsky prospect, Perm, 614990</p></bio><email xlink:type="simple">kar1nysik@mail.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>Телепова</surname><given-names>Е. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Telepova</surname><given-names>E. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Давыдовна Телепова — магистрант</p><p>614990, г. Пермь, Комсомольский пр., д. 29</p></bio><bio xml:lang="en"><p>Ekaterina D. Telepova — master student</p><p>29 Komsomolsky prospect, Perm, 614990</p></bio><email xlink:type="simple">telepovacat@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Пермский национальный исследовательский политехнический университет (ПНИПУ)<country>Россия</country></aff><aff xml:lang="en">Perm National Research Polytechnic University (PNRPU)<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>29</day><month>08</month><year>2025</year></pub-date><volume>20</volume><issue>8</issue><fpage>1211</fpage><lpage>1220</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Акбулякова Е.Н., Казаринова К.А., Телепова Е.Д., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Акбулякова Е.Н., Казаринова К.А., Телепова Е.Д.</copyright-holder><copyright-holder xml:lang="en">Akbulyakova E.N., Kazarinova K.A., Telepova E.D.</copyright-holder><license 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.vestnikmgsu.ru/jour/article/view/699">https://www.vestnikmgsu.ru/jour/article/view/699</self-uri><abstract><sec><title>Введение</title><p>Введение. Грунты в основании фундаментов резервуаров подвержены циклам нагружения и разгружения при наливе и опорожнении резервуара. Строительство таких сооружений зачастую ведется на участках, где залегают пере-увлажненные глинистые грунты. Цель исследования — изучить изменение вертикальных деформаций водонасыщенных глин под воздействием циклов «нагрузка – разгрузка». Это позволит выявить величины дополнительных осадок водонасыщенного глинистого основания при циклах нагружения и разгружения.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Выполнена серия лабораторных испытаний в одометре с циклами нагружения и разгружения с образцами глин мягкопластичной, текучепластичной и текучей консистенции. Полученные при лабораторных испытаниях значения механических параметров исследуемых глин использованы в численных расчетах осадки основания вертикального стального резервуара в программном комплексе PLAXIS 2D.</p></sec><sec><title>Результаты</title><p>Результаты. Изучено влияние консистенции глины на величину осадки при циклическом нагружении образцов в компрессионном приборе. Определено соотношение пластических и упругих деформаций для глин мягкопластичной, текучепластичной и текучей консистенции. Дополнительная осадка глин мягкопластичной, текучепластичной и текучей консистенции, вызванная циклическим нагружением и разгружением (в пределах первых 10 циклов), составила до 10 % от общей осадки грунта. По результатам численных экспериментов выявлено, что дополнительные осадки основания резервуара при 20 циклах нагружения и разгрузки составляли 2,4–4,1 % от общей осадки.</p></sec><sec><title>Выводы</title><p>Выводы. Проведенные лабораторные и численные исследования показали, что циклы нагружения и разгружения водонасыщенных глин приводят к развитию дополнительных осадок. Величина дополнительной осадки зависит от количества циклов и консистенции глины. За все время эксплуатации резервуара число циклов налива и опорожнения может составлять более 2000, поэтому следует ожидать приращения дополнительных деформаций грунта в основании фундамента.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The soils at the base of tank foundations are subject to loading and unloading cycles during tank filling and emptying. The construction of such constructions is often carried out in areas with overwatered clay soils. The purpose of the study is to investigate the change in vertical deformations of water-saturated clays under the influence of “loading – unloading” cycles. This will make it possible to identify the values of additional settlements of water-saturated clay subgrade under loading and unloading cycles.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. A series of laboratory tests was performed in an odometer with cycles of loading and unloading with specimens of firm, soft-firm and very soft clays. The values of mechanical parameters of the studied clays obtained during laboratory tests were used in numerical calculations of the settlement of the base of a vertical steel tank in the PLAXIS 2D software package.</p></sec><sec><title>Results</title><p>Results. The influence of clay consistency on the value of settlement under cyclic loading of samples in a compression device was studied. The ratio of plastic and elastic deformations was determined for clays of firm, soft-firm and very soft consistency. Additional settlement of clays with firm, soft-firm and very soft consistency caused by cyclic loading and unloading (within the first 10 cycles) amounted to 10 % of the total soil settlement. The results of numerical experiments showed that the additional settlement of the tank base at 20 cycles of loading and unloading amounted to 2.4–4.1 % of the total settlement.</p></sec><sec><title>Conclusions</title><p>Conclusions. Laboratory and numerical studies have shown that loading and unloading cycles of water-saturated clays lead to the development of additional settlement. The amount of additional settlement depends on the number of cycles and the consistency of the clay. During the whole period of the tank operation the number of filling and emptying cycles can be more than 2000, therefore, additional soil deformations in the foundation base should be expected.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>глина</kwd><kwd>упругие деформации</kwd><kwd>пластические деформации</kwd><kwd>одометр</kwd><kwd>PLAXIS 2D</kwd><kwd>стальной вертикальный резервуар</kwd><kwd>осадка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>clay</kwd><kwd>elastic deformations</kwd><kwd>plastic deformations</kwd><kwd>odometer</kwd><kwd>PLAXIS 2D</kwd><kwd>steel vertical tank</kwd><kwd>settlement</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">Мангушев Р.А., Кириллов В.М. Анализ законо-мерностей развития осадок фундаментов стальных цилиндрических резервуаров на слабых грунтах // Вестник гражданских инженеров. 2018. № 3 (68). С. 84–89. 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