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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">vestnikcstroy</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НИЦ «Строительство»</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Science and Research Center of Construction</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2224-9494</issn><issn pub-type="epub">2782-3938</issn><publisher><publisher-name>АО «НИЦ «Строительство»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37538/2224-9494-2023-1(36)-59-71</article-id><article-id custom-type="elpub" pub-id-type="custom">vestnikcstroy-299</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>ОСНОВАНИЯ И ФУНДАМЕНТЫ, ПОДЗЕМНЫЕ СООРУЖЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FOUNDATIONS, UNDERGROUND STRUCTURES</subject></subj-group></article-categories><title-group><article-title>О возможностях вспомогательных методик сейсмоакустического обследования свайных фундаментов</article-title><trans-title-group xml:lang="en"><trans-title>Capabilities of auxiliary techniques for low strain impact testing of piles foundations</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>Чуркин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Churkin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Андреевич Чуркин, канд. техн. наук, старший научный сотрудник лаборатории новых видов свайных фундаментов</p><p>2-я Институтская ул., д. 6, стр. 12, г. Москва, 109428, Российская Федерация</p><p>тел.: 8 (903) 559-20-32</p></bio><bio xml:lang="en"><p>Aleksei A. Churkin, Cand. Sci. (Engineering), Senior Researcher, Laboratory of New Types of Pile Foundations</p><p>2nd Institutskaya str., 6, bld. 12, Moscow, 109428, Russian Federation</p></bio><email xlink:type="simple">chaa92@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский, проектно-изыскательский и конструкторско-технологический институт оснований и подземных сооружений (НИИОСП) им. Н.М. Герсеванова АО «НИЦ «Строительство»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Bases and Underground Structures (NIIOSP) named after N.M. Gersevanov, JSC Research Center of Construction</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>03</month><year>2023</year></pub-date><volume>36</volume><issue>1</issue><fpage>59</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чуркин А.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Чуркин А.А.</copyright-holder><copyright-holder xml:lang="en">Churkin A.A.</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://vestnik.cstroy.ru/jour/article/view/299">https://vestnik.cstroy.ru/jour/article/view/299</self-uri><abstract><sec><title>Введение</title><p>Введение. Рост сложности задач, возникающих при контроле качества геотехнических конструкций, ведет к росту вклада косвенных методов в составе комплекса изысканий. Сейсмоакустический контроль длины и сплошности свай в настоящий момент является одним из наиболее распространенных неразрушающих геофизических методов, применяемых при диагностике состояния фундаментов. Возможности и ограничения метода связаны с особенностями лежащей в его основе теоретической модели распространения упругих волн в тонком стержне. Специалистам часто приходится прибегать к вспомогательным методикам полевых исследований.</p><p>Целью работы является информирование инженеров-испытателей, проектировщиков и сотрудников надзорных организаций о возможностях вспомогательных методик сейсмоакустического контроля качества свайных фундаментов.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Описаны особенности теоретической модели сейсмоакустического контроля качества свай и связанные с ними возможности и ограничения метода. Вспомогательные методики сбора и анализа данных применены для обследования свайных фундаментов, в том числе включенных в состав существующих сооружений.</p></sec><sec><title>Результаты</title><p>Результаты. Результатом работы является получение дополнительной информации об обследуемых фундаментах с использованием вспомогательных методик сбора и анализа данных. Альтернативное расположение датчиков относительно обследуемой конструкции применено для определения глубины заложения свай в составе ростверков и существующих сооружений. Профилирование с общим пунктом возбуждения сигнала (ультрасейсмический метод) использовано для оценки скорости распространения стержневой волны в теле конструкции. На примере способов представления данных параллельного сейсмического метода показана возможность его использования для контроля качества бетона фундаментов.</p></sec><sec><title>Выводы</title><p>Выводы. Вспомогательные методики сбора и анализа данных, применяемые при сейсмоакустическом обследовании свайных фундаментов, позволяют существенно повысить достоверность выводов о глубине заложения и сплошности материала конструкции.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. An increase in the complexity of tasks arising from the quality control of geotechnical structures ultimately increases the role of indirect methods as part of the survey set. Low strain impact testing of piles length and integrity is currently one of the most common non-destructive geophysical methods used in the state diagnostics of foundations. The capabilities and limitations of the method are associated with the peculiarities of its basic theoretical model describing the propagation of elastic waves in a thin rod. In this regard, specialists often have recourse to the auxiliary techniques of field research.</p></sec><sec><title>Aim</title><p>Aim. To inform test engineers, designers and employees of supervisory organizations about the potential of auxiliary methods for the low strain impact quality control of pile foundations.</p></sec><sec><title>Methods and materials</title><p>Methods and materials. The features of the theoretical model of the low strain impact pile quality control, as well as the associated capabilities and limitations of the method are described. The auxiliary methods of data collection and analysis were used for the survey of pile foundations, including those in the composition of existing structures.</p></sec><sec><title>Results</title><p>Results. The results of the work are represented by additional information obtained about the foundations surveyed using the auxiliary methods of data collection and analysis. An alternative arrangement of sensors relative to the surveyed structure was used for determining the depth of piles in the composition of grade beam footings and existing structures. The common shot point profiling (ultra-seismic method) was used to assess the velocity of rod wave propagation in the body of the structure. The options of data presentation in the parallel seismic method were used to demonstrate its potential for the quality control of foundation concrete.</p></sec><sec><title>Conclusion</title><p>Conclusion. The auxiliary methods of data collection and analysis used in the low strain impact survey of pile foundations can significantly increase the reliability of conclusions about the depth and integrity of a structural material.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>испытания свай</kwd><kwd>неразрушающий контроль</kwd><kwd>техническая геофизика</kwd><kwd>сейсмоакустический метод</kwd><kwd>вспомогательные методики испытаний</kwd><kwd>обследование свай под ростверком</kwd><kwd>ультрасейсмический метод</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pile testing</kwd><kwd>non-destructive testing</kwd><kwd>technical geophysics</kwd><kwd>low strain impact testing</kwd><kwd>auxiliary test methods</kwd><kwd>pile cap inspection</kwd><kwd>ultra-seismic method</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">Webster K., Rausche F., Webster S. 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