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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">10.22227/1997-0935.2024.6.982-990</article-id><article-id custom-type="elpub" pub-id-type="custom">mgssuvest-294</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>Строительное материаловедение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Construction material engineering</subject></subj-group></article-categories><title-group><article-title>Анализ прочностных и теплопроводных характеристик слоистых балок, состоящих из массива дерева и теплоизоляционного материала</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of strength and thermal conductivity characteristics of layered beams consisting of solid wood and thermal insulation material</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>Панова</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Panova</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мария Сергеевна Панова — магистр кафедры сопротивления материалов</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p><p> РИНЦ AuthorID: 1233566</p></bio><bio xml:lang="en"><p>Maria S. Panova — master of the Department of Strength of Materials</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p><p>RISC AuthorID: 1233566</p></bio><email xlink:type="simple">panova.mariya1999@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/0000-0003-1748-9976</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Татусь</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tatus</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николай Алексеевич Татусь — кандидат технических наук, доцент кафедры сопротивления материалов; заведующий лабораторией безопасности и прочности композитных конструкций</p><p>129337, г. Москва, Ярославское шоссе, д. 26;101000, г. Москва, Малый Харитоньевский переулок, д. 4</p><p>РИНЦ AuthorID: 157336, Scopus: 12039478400, ResearcherID: AAI-2387-2020</p></bio><bio xml:lang="en"><p>Nikolay A. Tatus — Candidate of Technical Sciences, Associate Professor of the Department of Strength of Materials; Head of the Laboratory of Safety and Strength of Composite Structures</p><p>26 Yaroslavskoe shosse, Moscow, 129337;4 Maly Kharitonevsky pereulok, Moscow, 101000</p><p>RISC AuthorID: 157336, Scopus: 12039478400, ResearcherID: AAI-2387-2020</p></bio><email xlink:type="simple">nikalet@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Национальный исследовательский Московский государственный строительный университет (НИУ МГСУ)<country>Россия</country></aff><aff xml:lang="en">Moscow State University of Civil Engineering (National Research University) (MGSU)<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Национальный исследовательский Московский государственный строительный университет (НИУ МГСУ); Институт машиноведения им. А.А. Благонравова Российской академии наук (ИМАШ РАН)<country>Россия</country></aff><aff xml:lang="en">Moscow State University of Civil Engineering (National Research University) (MGSU); Mechanical Engineering Research Institute of the Russian Academy of Sciences (IMASH RAS)<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>11</day><month>07</month><year>2024</year></pub-date><volume>19</volume><issue>6</issue><fpage>982</fpage><lpage>990</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Панова М.С., Татусь Н.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Панова М.С., Татусь Н.А.</copyright-holder><copyright-holder xml:lang="en">Panova M.S., Tatus N.A.</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/294">https://www.vestnikmgsu.ru/jour/article/view/294</self-uri><abstract><sec><title>Введение</title><p>Введение. Описывается экспериментально-теоретическая работа по исследованию характеристик слоистого строительного материала — термобруса, состоящего из массива дерева и слоев теплоизоляции. Подобные материалы применяются для строительства легковозводимых деревянных домов частного сектора и малоэтажных. Особенности такого типа материалов в том, что одновременно с конструкционным материалом — древесиной — брус содержит слой или слои утеплителя, что позволяет сократить этап утепления дома при его возведении. Прочная древесина и абсолютно ничего не способная нести теплоизоляция вместе могут дать материал, характеристики которого в корне отличаются как от первого, так и от второго.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Рассматривается влияние количества и толщины слоев теплоизоляции и древесины на прочностные и теплоизоляционные характеристики получаемого бруса. Зная закономерности изменения характеристик от количества слоев, становится возможным подобрать рациональную систему чередования слоев древесины и утеплителя. Проведены экспериментальные исследования балок с различным количеством и толщиной теплоизоляционных и силовых слоев; общая толщина и силовых, и теплоизоляционных слоев в каждой балке была одинаковой, но менялась последовательность их укладки.</p></sec><sec><title>Результаты</title><p>Результаты. Показаны результаты экспериментального исследования прочности термобруса при изгибе и расчетное исследование его теплоизоляционных характеристик. Экспериментально получены зависимости максимальных нагрузок для балок с различным количеством слоев древесины/утеплителя.</p></sec><sec><title>Выводы</title><p>Выводы. В результате проведенных экспериментов оказалось, что линейная теория изгиба не может точно описать поведение слоистого материала — выдерживаемая нагрузка росла с ростом количества слоев.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The paper describes experimental and theoretical work on the study of the characteristics of a layered building material — thermal timber, consisting of solid wood and layers of thermal insulation. Such materials are used for construction of lightly built wooden houses of private sector and low-rise houses. The peculiarities of this type of materials is that simultaneously with the construction material — wood beam contains a layer or layers of insulation, which allows to reduce the stage of insulation of the house during its construction. Strong wood and absolutely nothing capable of carrying insulation together can give a material whose characteristics are fundamentally different from both the first and the second.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. The influence of the number and thickness of layers of thermal insulation and wood on the strength and thermal insulation characteristics of the resulting timber is considered. Knowing the regularities of changing characteristics from the number of layers, it becomes possible to choose a rational system of alternation of wood and insulation layers. Experimental studies of beams with different number and thickness of thermal insulation and power layers were carried out, the total thickness of both power and thermal insulation layers in each beam were the same, but the sequence of laying was changed.</p></sec><sec><title>Results</title><p>Results. The results of the experimental study of the bending strength of the thermal timber and the calculated study of its thermal insulation characteristics are shown. Dependences of maximum loads for beams with different number of wood/insulation layers were experimentally obtained.</p></sec><sec><title>Conclusions</title><p>Conclusions. As a result of the experiments it turned out that the linear bending theory cannot accurately describe the behaviour of the layered material — the withstand load grew with the increase in the number of layers.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>деревянный брус</kwd><kwd>термобрус</kwd><kwd>прочность</kwd><kwd>изгиб</kwd><kwd>балки</kwd><kwd>слоистые конструкции</kwd><kwd>теплоизоляция</kwd><kwd>испытания на изгиб</kwd><kwd>расчеты на прочность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>wooden beams</kwd><kwd>thermal timber</kwd><kwd>strength</kwd><kwd>bending</kwd><kwd>beams</kwd><kwd>laminated structures</kwd><kwd>thermal insulation</kwd><kwd>bending tests</kwd><kwd>strength calculations</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">Zaid N.Z.M., Rejab M.R.M., Mohamed N.A.N. 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