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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">inbure</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Инвестиции. Строительство. Недвижимость</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya vuzov. Investitsii. Stroitelstvo. Nedvizhimost</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2917</issn><issn pub-type="epub">2500-154X</issn><publisher><publisher-name>Irkutsk National Research Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2227-2917-2024-1-82-95</article-id><article-id custom-type="edn" pub-id-type="custom">JURMHA</article-id><article-id custom-type="elpub" pub-id-type="custom">inbure-207</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>ТЕХНИЧЕСКИЕ НАУКИ. СТРОИТЕЛЬСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES. CONSTRUCTION</subject></subj-group></article-categories><title-group><article-title>Сравнение эффективности модификации микрокремнеземом облегченных бетонов на крупных заполнителях из различных горных пород</article-title><trans-title-group xml:lang="en"><trans-title>Comparison of the effectiveness of microsilica modification of lightweight concretes with coarse aggregates from various rocks</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-3815-9615</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Паскачев</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Paskachev</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Паскачев Асламбек Боклуевич, д.э.н., профессор, директор</p><p>,123308, г. Москва, ул. 3-я Хорошевская, 2, стр. 1</p></bio><bio xml:lang="en"><p>Aslambek B. Paskachev, Dr. Sci. (Econ.), Professor, Director </p><p>3-ya Khoroshevskaya St., 2 building 1, Moscow 123308</p></bio><email xlink:type="simple">apaskachev@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/0009-0005-4291-6134</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ржевская</surname><given-names>Т. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Rzhevskaya</surname><given-names>T. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ржевская Татьяна Геннадьевна, д.э.н., профессор, профессор кафедры строительных сооружений, конструкций и материалов </p><p>Author ID: 1230739 </p><p>141367, г. Сергиев Посад, пос. Загорские Дали, 6-11</p><p> </p></bio><bio xml:lang="en"><p>Tat'yana G. Rzhevskaya, Dr. Sci. (Econ.), Professor, Professor of the Department of Civil Engineering, Structures and Materials</p><p>6-11, Zagorskie Dali, 141367 Moscow region, Sergiev Posad</p></bio><email xlink:type="simple">rzhevskaiatatiana@mail.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/0000-0002-0364-5504</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стельмах</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Stel'makh</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Стельмах Сергей Анатольевич, к.т.н., доцент, заведующий кафедрой строительства уникальных зданий и сооружений </p><p>Author ID: 782068 </p><p>344022, г. Ростов-на-Дону, ул. Социалистическая, 162</p></bio><bio xml:lang="en"><p>Sergei A. Stel'makh, Cand. Sci. (Eng.), Associate Professor, Head of the Department of Construction of Unique Buildings and Structures </p><p>162 Sotsialisticheskaya St., Rostov-on-Don, 344022, Russia</p></bio><email xlink:type="simple">sergej.stelmax@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5376-247X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щербань</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcherban</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Щербань Евгений Михайлович, к.т.н., доцент, доцент кафедры инженерной геологии, оснований и фундаментов </p><p>Author ID: 677684</p><p>344022, г. Ростов-на-Дону, ул. Социалистическая, 162</p></bio><bio xml:lang="en"><p>Evgenii M. Shcherban, Dr. Sci. (Eng.), Associate Professor, Associate Professor of the Department of Engineering Geology, Bases and Foundations</p><p>Author ID: 677684</p><p>162 Sotsialisticheskaya St., Rostov-on-Don, 344022, Russia</p></bio><email xlink:type="simple">au-geen@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0007-2600-5554</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маилян</surname><given-names>Л. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Mailyan</surname><given-names>L. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маилян Лия Дмитриевна, к.э.н., доцент и.о. заведующего кафедрой организации строительства</p><p>Author ID: 1000855</p><p>344022, г. Ростов-на-Дону, ул. Социалистическая, 162</p></bio><bio xml:lang="en"><p>Liya D. Mailyan, Cand. Sci. (Econ.), Associate Professor, Acting Head of the Department of Construction Organization</p><p>Author ID: 1000855 </p><p>162 Sotsialisticheskaya St., Rostov-on-Don, 344022, Russia</p><p> </p></bio><email xlink:type="simple">liya_mailyan@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-2094-2536</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Маилян</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Mailyan</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маилян Александр Левонович, к.т.н., доцент, профессор кафедры городского строительства и хозяйства </p><p>Author ID: 1020822</p><p>344022, г. Ростов-на-Дону, ул. Социалистическая, 162</p></bio><bio xml:lang="en"><p>Aleksandr L. Mailyan, Cand. Sci. (Eng.), Associate Professor, Professor of the Department of Urban Construction and Economy</p><p>Author ID: 1020822 </p><p>162 Sotsialisticheskaya St., Rostov-on-Don, 344022, Russia</p><p> </p></bio><email xlink:type="simple">mailyan_a@sroufo.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт миграции и межнациональных отношений</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Migration and Interethnic</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Научно-исследовательский центр «Строительство»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Center "Construction"</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Донской государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Don State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>05</day><month>04</month><year>2024</year></pub-date><volume>14</volume><issue>1</issue><fpage>82</fpage><lpage>95</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Паскачев А.Б., Ржевская Т.Г., Стельмах С.А., Щербань Е.М., Маилян Л.Д., Маилян А.Л., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Паскачев А.Б., Ржевская Т.Г., Стельмах С.А., Щербань Е.М., Маилян Л.Д., Маилян А.Л.</copyright-holder><copyright-holder xml:lang="en">Paskachev A.B., Rzhevskaya T.G., Stel'makh S.A., Shcherban E.M., Mailyan L.D., Mailyan A.L.</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://inbure.elpub.ru/jour/article/view/207">https://inbure.elpub.ru/jour/article/view/207</self-uri><abstract><p>Перспективным направлением в строительной науке и практике является создание облегченных бетонов, характеризуемых так называемым коэффициентом конструктивного качества, т.е. относительной характеристикой между прочностью и весом получаемых бетонов. Данный коэффициент одновременно отражает максимально возможное снижение веса конструкции и ее эксплуатационную надежность. Целью исследования является сравнение эффективности модификации микрокремнеземом облегченных бетонов, полученных с помощью крупных заполнителей из различных горных пород. В исследовании проведен анализ существующей научной литературной базы по облегченным бетонам, их рецептуре, технологии и научной обоснованности, структурной совместимости применяемых компонентов. Проведено сравнение эффективности модификации облегченных бетонов при различных рецептурно-технологических параметрах. Прочность модифицированного облегченного бетона и его коэффициент конструктивного качества существенно изменялись в сравнении с немодифицированным облегченным бетоном. Наибольший эффект достигается при использовании облегченного бетона на гранитном щебне, модифицированного микрокремнеземом в количестве 9 %. В результате максимальная прочность на сжатие составила 55,9 МПа, а коэффициент структурного качества – 24,3•10-3 МПа•м3/кг по сравнению с другими изученными составами бетона. Увеличение прочности на сжатие составило 17,2 % по сравнению с немодифицированным облегченным бетоном, а коэффициент конструктивного качества увеличился на 19,1 % по сравнению с немодифицированным бетоном на крупном плотном заполнителе.</p></abstract><trans-abstract xml:lang="en"><p>A promising line of research in construction science and practice is the creation of lightweight concretes. They exhibit the so-called strength-density ratio, i. e. a relative characteristic between the strength and weight of the resulting concrete. This ratio simultaneously reflects the maximum possible weight reduction of the structure and its operational reliability. The research aims to compare the effectiveness of microsilica modification of lightweight concretes produced with coarse aggregates from various rocks. The study analyzed the existing scientific literature on lightweight concretes, their formulations, technology, and scientific validity, as well as the structural compatibility of the components used. A comparison was made of the effectiveness of lightweight concrete modification for various formulation technological parameters. The strength of modified lightweight concrete and its strengthdensity ratio changed significantly compared to unmodified lightweight concrete. The strongest effect is achieved when using lightweight granite concrete modified with 9 % of microsilica. As a result, the maximum compressive strength was 55.9 MPa, and the strength-density ratio was 24.3•10-3 MPa•m3/kg compared to other studied concrete compositions. The increase in compressive strength was 17.2 % compared to unmodified lightweight concrete. The strength-density ratio increased by 19.1 % compared to unmodified coarse dense aggregate concrete.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>облегченный бетон</kwd><kwd>крупный плотный заполнитель для бетона</kwd><kwd>пористый заполнитель для бетона</kwd><kwd>плотность бетона</kwd><kwd>прочность на сжатие бетона</kwd><kwd>коэффициент конструктивного качества бетона</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lightweight concrete</kwd><kwd>coarse dense aggregate for concrete</kwd><kwd>porous aggregate for concrete</kwd><kwd>density of concrete</kwd><kwd>compressive strength of concrete</kwd><kwd>structural quality factor of concrete</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">Баженов Ю.М., Федюк Р.С., Лесовик В.С. 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