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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">vestniktgasu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Томского государственного архитектурно-строительного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-1859</issn><issn pub-type="epub">2310-0044</issn><publisher><publisher-name>Tomsk State University of Architecture and Building</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31675/1607-1859-2019-21-3-144-157</article-id><article-id custom-type="elpub" pub-id-type="custom">vestniktgasu-619</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>СТРОИТЕЛЬНЫЕ КОНСТРУКЦИИ, ЗДАНИЯ И СООРУЖЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING AND CONSTRUCTION</subject></subj-group></article-categories><title-group><article-title>ТЕОРЕТИЧЕСКИЕ И ЭКСПЕРИМЕНТАЛЬНЫЕ ИССЛЕДОВАНИЯ ВИБРОАКУСТИЧЕСКИХ СИСТЕМ С МАЛЫМ КОЛИЧЕСТВОМ ЭЛЕМЕНТОВ</article-title><trans-title-group xml:lang="en"><trans-title>THEORETICAL AND EXPERIMENTAL RESEARCH OF VIBROACOUSTIC SYSTEMS WITH THE SMALL NUMBER OF ELEMENTS</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>Лелюга</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lelyuga</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лелюга Ольга Владимировна, ст. преподаватель</p><p>634003, г. Томск, пл. Соляная, 2</p></bio><bio xml:lang="en"><p>Olga V. Lelyuga, Senior Lecturer</p><p>2, Solyanaya Sq., 634003, Tomsk</p></bio><email xlink:type="simple">olga.startseva27@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Томский государственный архитектурно-строительный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Тоmsk State University of Architecture and Building</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>28</day><month>06</month><year>2019</year></pub-date><volume>0</volume><issue>3</issue><fpage>144</fpage><lpage>157</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лелюга О.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Лелюга О.В.</copyright-holder><copyright-holder xml:lang="en">Lelyuga O.V.</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.tsuab.ru/jour/article/view/619">https://vestnik.tsuab.ru/jour/article/view/619</self-uri><abstract><p>Известные методы расчета конструкций здания не в полной мере учитывают структурную звукопередачу. Целью настоящей статьи являются теоретические исследования прохождения звука и вибрации на моделях здания методом статистического энергетического анализа с учетом нерезонансного прохождения и проверка данного метода экспериментально. На основе статистического энергетического анализа записаны уравнения энергетического баланса, решение системы которых позволяет определить энергию звука в помещениях и энергию звуковой вибрации в конструкциях. Приводится расчет коэффициентов энергетической связи, в том числе учитывающих нерезонансную звукопередачу из смежных акустических подсистем, внутренних потерь, плотности мод колебаний. Представлены результаты виброакустических расчетов и измерений на моделях фрагментов здания, включающих в себя одинарные и двойные перегородки. Использование разработанного метода расчета позволяет спрогнозировать передачу звука через перегородку с учетом примыкающих конструкций.</p></abstract><trans-abstract xml:lang="en"><p>The known methods of acoustical calculation in buildings not fully describe the phenomenon of sound transmission. This paper presents theoretical studies of the sound and vibration in building models, a method of statistical energy analysis (SEА), taking into account nonresonant phenomena and experimental testing of the specified parameters. The SEA-based equations are obtained for the energy balance, the solution of which allows to determine the sound energy in rooms and sound vibration in structures. The energy coupling coefficients, including those allowing for non-resonant sound transmission from adjacent acoustic subsystems, internal losses and the density of mode oscillation are calculated. The results of calculations and measurements of building model fragments, including identical and double partitions, are presented. The proposed method of calculation allows to predict the sound transmission through the partition with regard to adjacent structures.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>шум</kwd><kwd>воздушный шум</kwd><kwd>ограждающая конструкция</kwd><kwd>резонанс</kwd><kwd>коэффициенты энергетической связи</kwd><kwd>коэффициенты излучения звука</kwd><kwd>внутренние потери</kwd><kwd>структурная звукопередача</kwd><kwd>звукоизоляция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>noise</kwd><kwd>air noise</kwd><kwd>wall structure</kwd><kwd>resonance</kwd><kwd>energy coupling coefficient</kwd><kwd>sound emission coefficient</kwd><kwd>internal loss</kwd><kwd>sound transmission</kwd><kwd>sound insulation</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">Осипов Г.Л. Шумы и звукоизоляция. М. : Стройиздат, 1967. 104 с.</mixed-citation><mixed-citation xml:lang="en">Osipov G.L. 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