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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">10.22227/1997-0935.2023.9.1394-1407</article-id><article-id custom-type="elpub" pub-id-type="custom">mgssuvest-48</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>Исследование влияния термической модификации древесины на адгезионные и прочностные свойства древесно-цементной композиции</article-title><trans-title-group xml:lang="en"><trans-title>Effect of thermal modification of wood on adhesion and strength properties of wood-cement composition</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9496-7340</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чернов</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernov</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Василий Юрьевич Чернов — кандидат технических наук, доцент кафедры стандартизации, сертификации и товароведения</p><p>424000, Республика Марий Эл, г. Йошкар-Ола, пл. им. Ленина, д. 3</p><p>РИНЦ ID: 725875, ResearcherID: X-4439-2019</p></bio><bio xml:lang="en"><p>Vasilij Yu. Chernov — Candidate of Technical Sciences, Associate Professor of the Department of Standardization, Certification and Merchandising</p><p>3 Lenin sq., Yoshkar-Ola, 424000, Republic of Mari El</p><p>ID RSCI: 725875, ResearcherID: X-4439-2019</p></bio><email xlink:type="simple">chernovvy@volgatech.net</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6500-5377</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шарапов</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Sharapov</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгений Сергеевич Шарапов — доктор технических наук, доцент, профессор кафедры строительных конструкций и водоснабжения</p><p>424000, Республика Марий Эл, г. Йошкар-Ола, пл. им. Ленина, д. 3</p><p>РИНЦ ID: 610570, ResearcherID: B-8151-2014</p></bio><bio xml:lang="en"><p>Evgenij S. Sharapov — Doctor of Technical Sciences, Associate Professor, Professor of the Department of Building Structures and Water Supply</p><p>3 Lenin sq., Yoshkar-Ola, 424000, Republic of Mari El</p><p>ID RSCI: 610570, ResearcherID: B-8151-2014</p></bio><email xlink:type="simple">sharapoves@volgatech.net</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мальцева</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mal’ceva</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Михайловна Мальцева — магистр, научный сотрудник</p><p>424000, Республика Марий Эл, г. Йошкар-Ола, пл. им. Ленина, д. 3</p></bio><bio xml:lang="en"><p>Elena M. Mal’ceva — master, researcher</p><p>3 Lenin sq., Yoshkar-Ola, 424000, Republic of Mari El</p></bio><email xlink:type="simple">lenkamalek@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пегушина</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Pegushina</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Екатерина Николаевна Пегушина — магистрант</p><p>424000, Республика Марий Эл, г. Йошкар-Ола, пл. им. Ленина, д. 3</p></bio><bio xml:lang="en"><p>Ekaterina N. Pegushina — master’s student</p><p>3 Lenin sq., Yoshkar-Ola, 424000, Republic of Mari El</p></bio><email xlink:type="simple">ekaterinanick-60@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Поволжский государственный технологический университет (ПГТУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Volga State University of Technology (VSUT)</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>09</month><year>2023</year></pub-date><volume>18</volume><issue>9</issue><fpage>1394</fpage><lpage>1407</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чернов В.Ю., Шарапов Е.С., Мальцева Е.М., Пегушина Е.Н., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Чернов В.Ю., Шарапов Е.С., Мальцева Е.М., Пегушина Е.Н.</copyright-holder><copyright-holder xml:lang="en">Chernov V.Y., Sharapov E.S., Mal’ceva E.M., Pegushina E.N.</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://www.vestnikmgsu.ru/jour/article/view/48">https://www.vestnikmgsu.ru/jour/article/view/48</self-uri><abstract><sec><title>Введение</title><p>Введение. Исследуются адгезионные показатели и факторы, оказывающие влияние на формирование композиции термически модифицированной древесины (ТМД) и цемента. Результаты направлены на создание нового материала с улучшенными эксплуатационными свойствами, который получил название термодревбетон (ТДБ).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Применены адаптированные стандартные методики исследования адгезии (сцепления) цементно-песчаного раствора с основанием из ТМД и прочности на сжатие цементно-песчаного раствора, полученного на водах, настоянных на различных видах древесины и ТМД. Рассмотрено влияние следующих факторов: интенсивности (классы) термической модификации, породы древесины, способов формования раствора, содержания цементного вяжущего, степени очистки и влажности поверхности ТМД, наличия финальной тепловлажностной обработки образцов.</p></sec><sec><title>Результаты</title><p>Результаты. Наилучшими показателями сцепления с ТМД обладал цементно-песчаный раствор с повышенным содержанием цементного вяжущего, небольшое улучшение прочности адгезии показало дополнительное применение раствора ПВА-эмульсии. В целом при одинаковых условиях натуральная древесина имела более высокую адгезию по сравнению с ТМД. К негативным факторам были отнесены предварительное увлажнение термически модифицированной древесины, очистка и выравнивание (строжка) ее поверхности, использование хвойной ТМД. В исследованиях прочности цементно-песчаного раствора наименьший показатель имел раствор с добавлением ПВА-эмульсии, по остальным факторам, а именно по степени очистки воды после настаивания на ТМД и натуральной древесине, выявлено несущественное отличие по сравнению с раствором, полученным на чистой технической воде.</p></sec><sec><title>Выводы</title><p>Выводы. ТМД цементная композиция имеет меньшее усилие сцепления в сравнении с натуральной древесиной. Это связано с совместным влиянием низкой гигроскопичности и низкой смачиваемости (отталкивающей способности) поверхности ТМД. Промывка термически модифицированного заполнителя нецелесообразна ввиду ухудшения адгезионных свойств заполнителя в ТДБ. Для повышения сцепления компонентов рекомендуется применять растворы с повышенным содержанием цементного вяжущего.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The adhesion properties and factors influencing the formation of the composition of thermally modified timber (TMT) and cement are investigated. The results were focused on the creation of a new material with improved service properties, which is named thermo-wood concrete (TWC).</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Adapted standard methods to assess the adhesion of sand-cement mortar with TMT and compressive strength of sand-cement mortar obtained on waters infused with different types of wood and TMT were applied. The influence of the following factors was considered: the intensity (classes) of wood thermal modification, wood species, mortar formation method, cement binder content, wood surface conditions and moisture content of TMT, the presence of final steam curing of specimens.</p></sec><sec><title>Results</title><p>Results. The sand-cement mortar with a high content of cement binder had the highest adhesion with TMT. PVA-emulsion solution resulted in additional slight improvement of the sand-cement mortar and TMT adhesion. In general, unmodified (natural) wood had higher adhesion in comparison with TMT under the same conditions. Negative factors included premoistening of thermally modified timber surface, cleaning and leveling of its surface and the use of coniferous species for TMT specimens. The strength of sand-cement mortar was the lowest for specimens with addition of PVA-emulsion. Factor of water purification after infusion with TMT and unmodified wood had insignificant effect on strength of sand-cement mortar.</p></sec><sec><title>Conclusions</title><p>Conclusions. TMT-cement composition had a lower adhesive force in comparison with unmodified wood. This is due to the combined effect of low hygroscopicity and wettability of the TMT surface. Water washing of the TMT is inappropriate due to deterioration of adhesion properties of the filler in TWC. To increase the adhesion of the components, it is recommended to use mortars with a high content of cement binder.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>адгезия цементно-песчаного раствора</kwd><kwd>прочность цементно-песчаного раствора</kwd><kwd>термодревбетон</kwd><kwd>ТДБ</kwd><kwd>термически модифицированная древесина</kwd><kwd>ТМД</kwd><kwd>ТМД цементная композиция</kwd></kwd-group><kwd-group xml:lang="en"><kwd>adhesion of sand-cement mortar</kwd><kwd>strength of sand-cement mortar</kwd><kwd>thermo-wood concrete</kwd><kwd>TWC</kwd><kwd>thermally modified timber</kwd><kwd>TMT</kwd><kwd>TMT-cement composition</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда № 22-79-00098 (URL: https://rscf.ru/project/22-79-00098/) с использованием оборудования ЦКП «Экология, биотехнологии и процессы получения экологически чистых энергоносителей» Поволжского государственного технологического университета, г. Йошкар-Ола, соглашение № 075-15-2021-674/3.</funding-statement><funding-statement xml:lang="en">The research work was supported by the Russian Science Foundation (RSF, No. 22-79-00098) (URL: https://rscf.ru/en/project/22-79-00098/) using equipment of the Core Facility Centre “Ecology, biotechnologies and processes for obtaining environmentally friendly energy carriers” of Volga State University of Technology, Yoshkar-Ola (No. 075-15-2021-674/3).</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">Горностаева Е.Ю., Ласман И.А., Федоренко Е.А., Камоза Е.В. Древесно-цементные композиции с модифицированной структурой на макро-, микро- и наноуровнях // Строительные материалы. 2015. № 11. С. 13−16.</mixed-citation><mixed-citation xml:lang="en">Gornostaeva E.Yu., Lasman I.A., Fedorenko E.A., Kamoza E.V. 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