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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Structural Mechanics of Engineering Constructions and Buildings</journal-id><journal-title-group><journal-title xml:lang="en">Structural Mechanics of Engineering Constructions and Buildings</journal-title><trans-title-group xml:lang="ru"><trans-title>Строительная механика инженерных конструкций и сооружений</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1815-5235</issn><issn publication-format="electronic">2587-8700</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">37682</article-id><article-id pub-id-type="doi">10.22363/1815-5235-2023-19-6-608-619</article-id><article-id pub-id-type="edn">TWZPWW</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Construction materials and products</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Строительные материалы и изделия</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Investigation of Structural Characteristics of Carbon Nanomaterials as Modifier Components for Construction Composites</article-title><trans-title-group xml:lang="ru"><trans-title>Структурные характеристики углеродных наноматериалов как компонентов модификатора для композитов строительного назначения</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-2656-1434</contrib-id><name-alternatives><name xml:lang="en"><surname>Tolchkov</surname><given-names>Yuri N.</given-names></name><name xml:lang="ru"><surname>Толчков</surname><given-names>Юрий Николаевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Postgraduate student, Department of Engineering and Technology of Nanoproduct Manufacturing</p></bio><bio xml:lang="ru"><p>соискатель кафедры техники и технологии производства нанопродуктов</p></bio><email>tolschkow@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Tambov State Technical University</institution></aff><aff><institution xml:lang="ru">Тамбовский государственный технический университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2023</year></pub-date><volume>19</volume><issue>6</issue><issue-title xml:lang="en">VOL 19, NO6 (2023)</issue-title><issue-title xml:lang="ru">ТОМ 19, №6 (2023)</issue-title><fpage>608</fpage><lpage>619</lpage><history><date date-type="received" iso-8601-date="2024-01-30"><day>30</day><month>01</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Tolchkov Y.N.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Толчков Ю.Н.</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Tolchkov Y.N.</copyright-holder><copyright-holder xml:lang="ru">Толчков Ю.Н.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/37682">https://journals.rudn.ru/structural-mechanics/article/view/37682</self-uri><abstract xml:lang="en"><p style="text-align: justify;">The study analyzed the structural characteristics of carbon nanomaterials obtained at different time parameters of the synthesis based on X-ray diffractometry, Raman spectroscopy, and scanning microscopy. According to the Raman spectroscopy and X-ray scattering data, the crystallite size of nanotubes is estimated to be in the range from 9 to 38 nm. With the synthesis time of 90 minutes, the nanotube crystallite size remains minimal in comparison with other samples, which is confirmed, among other things, by various diagnostic methods. Based on the X-ray diffraction data, the Lc and La crystallite sizes (longitudinal and perpendicular to the direction of the carbon layers) were calculated using the Selyakov-Scherrer formula. The sizes of nanotube crystallites as a result of increasing the synthesis time are in the range of 9-12 nm in the longitudinal direction and 22-38 nm in the perpendicular direction. The diffraction patterns of the samples do not reflect the presence of a significant amount of graphite; the intensity structure is predominantly in the (002) and (004) peaks, which are characteristic of nanotubes. As a result of the use of nanotubes as a modifier component with a synthesis duration from 40 to 90 minutes, an increase in the performance of the composite up to 20-25 % relative to the control sample is observed.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">Проанализированы структурные характеристики углеродных наноматериалов, полученных при различных временных параметрах синтеза на основании рентгеновской дифрактометрии, КР-спектроскопии и сканирующей микроскопии. По данным КР-спектроскопии и рентгеновского рассеяния рассчитано, что размеры кристаллита нанотрубок находятся в пределах от 9 до 38 нм. Размер кристаллита нанотрубок при длительности времени синтеза 90 минут остается минимальным в сравнении с другими образцами, что подтверждается в том числе и разными методами диагностики. По данным рентгеновской дифракции, по формуле Селякова - Шеррера были рассчитаны размеры кристаллитов Lc и Lа , продольное и перпендикулярное направление углеродных слоев. Размеры кристаллитов нанотрубок в результате роста времени синтеза находятся в пределах 9- 12 нм в продольном направлении и 22-38 нм в перпендикулярном направлении. Дифракционные картины образцов не отражают наличие существенного количества графита, строение интенсивностей которого преимущественно в пиках (002) и (004), характерны для нанотрубок. В результате применения в качестве компонента-модификатора нанотрубок с длительностью синтеза от 40 до 90 минут наблюдается увеличение эксплуатационных показателей композита до 20-25 % относительно контрольного образца.</p></trans-abstract><kwd-group xml:lang="en"><kwd>nanostructures</kwd><kwd>nanomodifier</kwd><kwd>combined light scattering spectroscopy</kwd><kwd>Raman spectroscopy</kwd><kwd>multilayer carbon nanotubes</kwd><kwd>carbon nanotubes</kwd><kwd>graphene</kwd><kwd>crystallite</kwd><kwd>X-ray diffraction</kwd><kwd>scanning electron microscopy</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>наноструктуры</kwd><kwd>наномодификатор</kwd><kwd>спектроскопия комбинационного рассеяния света</kwd><kwd>рамановская спектроскопия</kwd><kwd>КР-спектроскопия</kwd><kwd>многослойные углеродные нанотрубки</kwd><kwd>углеродные нанотрубки</kwd><kwd>графен</kwd><kwd>кристаллит</kwd><kwd>рентгеновская дифракция</kwd><kwd>сканирующая электронная микроскопия</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Iakoubovskii K. 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