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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">geophystech</journal-id><journal-title-group><journal-title xml:lang="ru">Геофизические технологии</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Geophysical Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2619-1563</issn><publisher><publisher-name>IPGG SB RAS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18303/2619-1563-2022-2-4</article-id><article-id custom-type="elpub" pub-id-type="custom">geophystech-240</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Развитие необратимой деформации и полос локализованного сдвига при горизонтальном сжатии осадочного слоя</article-title><trans-title-group xml:lang="en"><trans-title>Development of irreversible deformation and localized shear bands under horizontal compression of the sedimentary layer</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5543-0919</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Татаурова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tataurova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Научный сотрудник лаборатории геофизических исследований и региональной сейсмичности Института нефтегазовой геологии и геофизики СО РАН. Основные научные интересы: геомеханическое моделирование, напряженно-деформированное состояние геосреды.</p></bio><email xlink:type="simple">TataurovaAA@ipgg.sbras.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/0000-0003-2004-955X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стефанов</surname><given-names>Ю. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Stefanov</surname><given-names>Y. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор физико-математических наук, профессор РАН, ведущий научный сотрудник лаборатории геофизических исследований и региональной сейсмичности Института нефтегазовой геологии и геофизики СО РАН. Основные научные интересы: исследования в области геомеханики; разработка моделей, описывающих поведение горных пород за пределом упругости, включая процессы необратимой деформации и формирования зон локализации, численного исследования деформационных процессов в земной коре.</p></bio><email xlink:type="simple">StefanovYP@ipgg.sbras.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Институт нефтегазовой геологии и геофизики им. А.А. Трофимука СО РАН&lt;br&gt;&#13;
630090, Новосибирск, просп. Акад. Коптюга, 3<country>Россия</country></aff><aff xml:lang="en">Trofimuk Institute of Petroleum Geology and Geophysics SB RAS&lt;br&gt;&#13;
Koptyug Ave., 3, Novosibirsk, 630090<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Институт нефтегазовой геологии и геофизики им. А.А. Трофимука СО РАН&lt;br&gt;&#13;
630090, Новосибирск, просп. Акад. Коптюга, 3&#13;
&lt;br&gt;&lt;br&gt;&#13;
Институт физики прочности и материаловедения СО РАН&lt;br&gt;&#13;
634055, Томск, просп. Академический, 2/4<country>Россия</country></aff><aff xml:lang="en">Trofimuk Institute of Petroleum Geology and Geophysics SB RAS&lt;br&gt;&#13;
Koptyug Ave., 3, Novosibirsk, 630090&#13;
&lt;br&gt;&lt;br&gt;&#13;
Institute of Strength Physics and Materials Science SB RAS&lt;br&gt;&#13;
Akademichesky Ave., 2/4, Tomsk, 634055<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2022</year></pub-date><volume>0</volume><issue>2</issue><fpage>4</fpage><lpage>14</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Татаурова А.А., Стефанов Ю.П., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Татаурова А.А., Стефанов Ю.П.</copyright-holder><copyright-holder xml:lang="en">Tataurova A.A., Stefanov Y.P.</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.rjgt.ru/jour/article/view/240">https://www.rjgt.ru/jour/article/view/240</self-uri><abstract><p>В рамках упругопластической модели рассмотрено развитие необратимой деформации при горизонтальном сжатии осадочного слоя, лежащего на жестком основании. Изучено влияние прочностных параметров среды и трения в основании на конфигурацию зон пластичности и локализацию деформации. Выполнены аналитические оценки глубин, на которых развивается необратимая деформация, а также их изменения в результате роста горизонтальных напряжений. С помощью численного моделирования показаны особенности зарождения и развития полос локализованного сдвига. Построены схемы, иллюстрирующие характер развития полос локализации в зависимости от свойств среды.</p></abstract><trans-abstract xml:lang="en"><p>Within the framework of the elastoplastic model, the development of irreversible deformation during horizontal compression of a sedimentary layer lying on a rigid foundation is considered. The influence of strength parameters of the medium and friction in the base on the configuration of plasticity zones and localization of deformation has been studied. Analytical estimates are made of the depths at which irreversible deformation develops, as well as their changes as a result of an increase in horizontal stresses. With the help of numerical simulation, the features of the origin and development of localized shear bands are shown. Schemes are constructed illustrating the nature of the development of localization bands depending on the properties of the medium.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Пластическая деформация</kwd><kwd>локализация деформации</kwd><kwd>разлом</kwd><kwd>надвиговые структуры</kwd><kwd>трение</kwd><kwd>внутреннее трение</kwd><kwd>сдвиговая прочность</kwd><kwd>осадочный слой</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Plastic deformation</kwd><kwd>deformation localization</kwd><kwd>fault</kwd><kwd>thrust structures</kwd><kwd>friction</kwd><kwd>internal friction</kwd><kwd>shear strength</kwd><kwd>sedimentary layer</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена при поддержке проекта ФНИ № FWZZ-2022-0021 «Региональные особенности структуры земной коры и верхов мантии платформенных и складчатых областей Сибири, их напряженно-деформированное состояние по данным сейсмологии, гравиметрии и геомеханики».</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">Друккер Д., Прагер В. 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