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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">10.21285/2227-2917-2021-2-242-249</article-id><article-id custom-type="elpub" pub-id-type="custom">inbure-23</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>Интенсификация процессов набрызгбетонирования для подземных конструкций с учетом подбора компонентов смеси</article-title><trans-title-group xml:lang="en"><trans-title>Intensification of concrete spraying for buried structures, including composition selection</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6111-201X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баженова</surname><given-names>С. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Bazhenova</surname><given-names>S. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баженова Софья Ильдаровна, кандидат технических наук, доцент кафедры технологий вяжущих веществ и бетонов</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p></bio><bio xml:lang="en"><p>Sof'ya I. Bazhenova, Cand. Sci. (Eng.), Associate Professor of the Department of Technologies of Binders and Concretes</p><p>26 Yaroslavskoye Shosse, Moscow, 129337</p></bio><email xlink:type="simple">sofia.bazhenova@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/0000-0002-0690-9763</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мельниченко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Melnicnenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мельниченко Александра Александровна, студент</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p></bio><bio xml:lang="en"><p>Alexandra A. Melnichenko, Undergraduate student</p><p>26 Yaroslavskoye Shosse, Moscow, 129337</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский Московский государственный строительный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Civil Engineering (National Research University)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>07</day><month>11</month><year>2023</year></pub-date><volume>11</volume><issue>2</issue><fpage>242</fpage><lpage>249</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Баженова С.И., Мельниченко А.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Баженова С.И., Мельниченко А.А.</copyright-holder><copyright-holder xml:lang="en">Bazhenova S.I., Melnicnenko A.A.</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/23">https://inbure.elpub.ru/jour/article/view/23</self-uri><abstract><p>Цель работы – обосновать возможность применения технологии набрызгбетонирования как способа не только укрепления грунта и шахт при ведении горнодобывающих работ, но и перепрофилирования подземных пространств для дальнейшего целевого использования (например, в качестве спортивных объектов и памятников культурного наследия, что реализовано в некоторых странах Европы). Рассмотрены достоинства и недостатки технологии набрызгбетонирования. С учетом необходимости использования набрызгбетона, отвечающего высоким эксплуатационным требованиями, авторами предлагаются композиции набрызгбетона с повышенными физикомеханическими характеристиками. Оптимизация свойств смесей при этом достигается путём добавления микронаполнителей с самостоятельной гидравлической активностью. В опытных работах производились исследования набора прочности образцов набрызгбетона с ускорителями схватывания (А1 и А2 на основе алюминатов и Б1 и Б2 – бесщелочных ускорителей) разнообразного генезиса. По результатам работ отмечена высокая степень эффективности бесщелочных ускорителей схватывания по сравнению с ускорителями на основе алюминатов, что может объясняться более высоким уровнем вовлечения ускорителей схватывания в процесс структурообразования цементного камня и созданием новообразований, способствующих гидратации цемента, в больших объёмах. Высокая эффективность совместной работы ускорителей твердения вяжущих и микронаполнителя позволяет подбирать составы набрызгбетона с учетом любых показателей горного давления для грунтов средней устойчивости и выработок среднего сечения.</p></abstract><trans-abstract xml:lang="en"><p>The study aims to substantiate the application of concrete spraying technologies, which allow the soil and mines during the mining operation to be strengthened and underground spaces to be repurposed for further use (e.g., sports facilities and cultural heritage sites, as implemented in some European countries). The advantages and disadvantages of concrete spraying technologies are considered. Following the need for sprayed concrete to meet high operational requirements, the authors offer sprayed concrete compositions with increased physical and mechanical properties. The properties of the mixtures are optimised by adding microfillers with hydraulic activity. In experimental work, concrete strength development of sprayed concrete samples with setting agents of various origins (A1 and A2 aluminates based and B1 and B2 nonalkaline accelerators) was investigated. It was determined that nonalkaline setting agents are more efficient than those based on aluminates. This can be explained by the higher activity of these setting accelerators in the structure formation of cement brick and the formation of new growth that promote cement hydration in large volumes. The high-efficiency cooperation of setting agents and microfiller allows the composition of sprayed concrete to be selected, taking into account any rock pressure values for medium-stable soil and medium section mine roadway.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>набрызгбетон</kwd><kwd>торкретбетон</kwd><kwd>бетонная смесь</kwd><kwd>бетонная крепь</kwd></kwd-group><kwd-group xml:lang="en"><kwd>shotcrete</kwd><kwd>sprayed concrete</kwd><kwd>mix concrete</kwd><kwd>concrete support</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">Белоног Ю.Г., Лобов И.М. Использование пространств шахтной выработки при реновации недействующих шахт // Современное промышленное и гражданское строительство. 2018. Т. 14. № 2. С. 81–88.</mixed-citation><mixed-citation xml:lang="en">Belonog YuG, Lobov IM. Use of space mine roadway at renovation of out-of-service mines. 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