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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">metrol</journal-id><journal-title-group><journal-title xml:lang="ru">Метрология</journal-title><trans-title-group xml:lang="en"><trans-title>Metrologiya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0132-4713</issn><issn pub-type="epub">2712-9071</issn><publisher><publisher-name>ВНИИМС</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0132-4713.2021-2-31-43</article-id><article-id custom-type="elpub" pub-id-type="custom">metrol-69</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>АКУСТИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group></article-categories><title-group><article-title>Теневой импакт-метод для измерения скорости акустических колебаний в компактных бетонных изделиях кубической формы</article-title><trans-title-group xml:lang="en"><trans-title>The through transmission impact method for measuring the sound velocity in the compact concrete cubic samples</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0809-1635</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Качанов</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kachanov</surname><given-names>V. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Владимир Климентьевич Качанов</p><p>Москва</p></bio><bio xml:lang="en"><p>Vladimir K. Kachanov</p><p>Moscow</p></bio><email xlink:type="simple">kachanovvk@mail.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/0000-0002-8120-0690</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Соколов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sokolov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игорь Вячеславович Соколов</p><p>Москва</p></bio><bio xml:lang="en"><p>Igor V. Sokolov</p><p>Moscow</p></bio><email xlink:type="simple">sokoloff_igor@mail.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/0000-0001-5919-651X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самокрутов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Samokrutov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Анатольевич Самокрутов</p><p>Москва</p></bio><bio xml:lang="en"><p>Andrei A. Samokrutov</p><p>Moscow</p></bio><email xlink:type="simple">samokrutov@acsys.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/0000-0002-8284-7939</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шевалдыкин</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shevaldykin</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виктор Гавриилович Шевалдыкин</p><p>П. г. т. Горки Ленинские, Московская область</p></bio><bio xml:lang="en"><p>Viktor G. Shevaldykin</p><p>Gorki leninskie, Moscow region</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3490-1611</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федоренко</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorenko</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Анатольевич Федоренко</p><p>Москва</p></bio><bio xml:lang="en"><p>Sergei A. Fedorenko</p><p>Moscow</p></bio><email xlink:type="simple">fedorenko.sa.90@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8665-7684</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алехин</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Alekhin</surname><given-names>S. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Геннадиевич Алехин</p><p>П. г. т. Горки Ленинские, Московская область</p></bio><bio xml:lang="en"><p>Sergei G. Alekhin</p><p>Gorki leninskie, Moscow region</p></bio><email xlink:type="simple">alekhin@acsys.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0437-8185</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Козлов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozlov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антон Владимирович Козлов</p><p>П. г. т. Горки Ленинские, Московская область</p></bio><bio xml:lang="en"><p>Anton V. Kozlov</p><p>Gorki leninskie, Moscow region</p></bio><email xlink:type="simple">kav@acsys.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6474-8339</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пичугин</surname><given-names>Н. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Pichugin</surname><given-names>N. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Константинович Пичугин</p><p>П. г. т. Горки Ленинские, Московская область</p></bio><bio xml:lang="en"><p>Nikolai K. PichuginGorki leninskie, Moscow region</p></bio><email xlink:type="simple">pichugin@acsys.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский университет МЭИ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Power Engineering Institute</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Акустические контрольные системы, ООО</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Acoustic Control Systems</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>04</day><month>07</month><year>2021</year></pub-date><volume>0</volume><issue>2</issue><fpage>31</fpage><lpage>40</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ВНИИМС, 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">ВНИИМС</copyright-holder><copyright-holder xml:lang="en">ВНИИМС</copyright-holder><license xlink:href="https://metrol.elpub.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://metrol.elpub.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://metrol.elpub.ru/jour/article/view/69">https://metrol.elpub.ru/jour/article/view/69</self-uri><abstract><p>Рассмотрены наиболее распространённые неразрушающие методы определения прочности бетона по скорости акустических колебаний - ультразвуковой и импакт-эхо методы. Показано влияние сигнала акустической поверхностной волны на точность определения резонансной частоты в спектре бетонного компактного изделия кубической формы. Для определения прочности бетона акустическим неразрушающим методом предложен теневой импакт-метод измерения скорости акустических колебаний в тестовых бетонных изделиях кубической формы. С целью устранения указанного влияния и уменьшения погрешности определения прочности бетона предложено располагать импактор и приёмный преобразователь на противоположных гранях куба, производить несколько измерений при различных положениях импактора (или приёмного преобразователя) и осуществлять мультипликативную обработку результатов парциальных измерений.</p></abstract><trans-abstract xml:lang="en"><p>A through transmission impact method for measuring the sound velocity in the concrete cubic samples, which are used for determination of the concrete durability, is proposed. It is shown that for elimination of the surface wave influence on the measurement accuracy of the compact cubic sample resonant frequency the impactor and the receiving transducer should be placed on the opposite sides of the cube. Besides in some cases must be used multichannel through transmission impact method.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>прочность бетона</kwd><kwd>компактное изделие кубической формы</kwd><kwd>теневой метод</kwd><kwd>импакт-эхо метод</kwd></kwd-group><kwd-group xml:lang="en"><kwd>concrete durability</kwd><kwd>compact cubic sample</kwd><kwd>through transmission method</kwd><kwd>impact-echo 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">Коробко В. И., Коробко А. В. Контроль качества строительных конструкций: виброакустические технологии. 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