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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">vestnikcstroy</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НИЦ «Строительство»</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Science and Research Center of Construction</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2224-9494</issn><issn pub-type="epub">2782-3938</issn><publisher><publisher-name>АО «НИЦ «Строительство»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.37538/2224-9494-2024-2(41)-118-130</article-id><article-id custom-type="edn" pub-id-type="custom">TXZVPH</article-id><article-id custom-type="elpub" pub-id-type="custom">vestnikcstroy-432</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>СТРОИТЕЛЬНЫЕ МАТЕРИАЛЫ И ИЗДЕЛИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING MATERIALS AND PRODUCTS</subject></subj-group></article-categories><title-group><article-title>Влияние вида заполнителей на прочностные и деформативные свойства высокопрочных бетонов при нагреве</article-title><trans-title-group xml:lang="en"><trans-title>Effect of aggregate type on strength and deformation properties of high-strength concrete during heating</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>Кузнецова</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Сергеевна Кузнецова, канд. техн. наук, заведующий лабораторией температуростойкости и диагностики бетона и железобетонных конструкций</p><p>2-я Институтская ул., д. 6, к. 5, г. Москва, 109428, Российская Федерация</p><p>e-mail: 1747139@mail.ru</p></bio><bio xml:lang="en"><p>Irina S. Kuznetsova, Cand. Sci. (Engineering), Head of the Laboratory of Temperature Resistance and Diagnosis of Concrete and Reinforced Concrete Structures</p><p>2nd Institutskaya str., 6, bld. 5, Moscow, 109428, Russian Federation</p><p>e-mail: 1747139@mail.ru</p></bio><email xlink:type="simple">1747139@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>Зубова</surname><given-names>Я. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zubova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Яна Владимировна Зубова, аспирант, ведущий инженер лаборатории температуростойкости и диагностики бетона и железобетонных конструкций</p><p>2-я Институтская ул., д. 6, к. 5, г. Москва, 109428, Российская Федерация</p><p>e-mail: 1747139@mail.ru</p></bio><bio xml:lang="en"><p>Iana V. Zubova, Graduate Student, Leading Engineer of the Laboratory of Temperature Resistance and Diagnostics of Concrete and Reinforced Concrete Structures</p><p>2nd Institutskaya str., 6, bld. 5, Moscow, 109428, Russian Federation</p><p>e-mail: 1747139@mail.ru</p></bio><email xlink:type="simple">1747139@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский, проектно-конструкторский и технологический институт бетона и железобетона (НИИЖБ) им. А.А. Гвоздева АО «НИЦ «Строительство»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Research Institute of Concrete and Reinforced Concrete named after A.A. Gvozdev, JSC Research Center of Construction</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>26</day><month>06</month><year>2024</year></pub-date><volume>41</volume><issue>2</issue><fpage>118</fpage><lpage>130</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузнецова И.С., Зубова Я.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Кузнецова И.С., Зубова Я.В.</copyright-holder><copyright-holder xml:lang="en">Kuznetsova I.S., Zubova I.V.</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://vestnik.cstroy.ru/jour/article/view/432">https://vestnik.cstroy.ru/jour/article/view/432</self-uri><abstract><sec><title>Введение</title><p>Введение. Высокопрочный бетон широко используется в современном строительстве. С расширением внедрения высокопрочного бетона возникает необходимость изучения его поведения при высоких температурах (при пожаре) для обеспечения требуемой огнестойкости несущих железобетонных конструкций из высокопрочного бетона в части пожарной безопасности зданий и сооружений.</p></sec><sec><title>Цель</title><p>Цель: определение влияния вида заполнителя на прочностные и деформативные характеристики высокопрочного бетона класса В100 при нагреве до температур от 100 до 800 °C с шагом 100 °C.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Лабораторные испытания призменной прочности и модуля упругости высокопрочного бетона на базальте и граните производили на образцах-призмах в нагретом состоянии по стандартным методикам при помощи специального нагревательного оборудования, совмещенного с лабораторным прессовым оборудованием.</p></sec><sec><title>Результаты</title><p>Результаты. Определены коэффициенты условий работы при нагреве высокопрочного бетона на граните и базальте, характеризующие снижение прочности на сжатие и модуля упругости. Построены диаграммы деформирования при осевом сжатии высокопрочных бетонов на граните и базальте при нагреве.</p></sec><sec><title>Выводы</title><p>Выводы. Динамика снижения прочностных и деформативных свойств высокопрочного бетона на граните и базальте при нагреве аналогична и характерна для бетонов на силикатных заполнителях. Модули упругости высокопрочного бетона на базальте выше, чем у высокопрочного бетона на граните, как при 20 °С, так и при нагреве, что обусловливает зависимость деформативных свойств высокопрочного бетона от видов заполнителей. Диаграммы деформирования при осевом сжатии высокопрочного бетона на граните и базальте проявили специфический характер: однолинейный – при нагреве до температуры порядка 300–400 °С, двухлинейный – при более высоких температурах нагрева, что отличается от традиционных представлений и теоретических рекомендаций.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. High-strength concrete is widely used in contemporary construction. Expanded introduction of high-strength concrete necessitates the need for studying its behavior at high temperatures (in case of fire) in order to ensure the required fire resistance of load-bearing reinforced concrete structures made of high-strength concrete in terms of fire safety of buildings and structures.</p></sec><sec><title>Aim</title><p>Aim. To determine the effect of aggregate types on strength and deformation characteristics of high-strength B100 concrete when heated to temperatures from 100 °C to 800 °C with a step of 100 °C.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Laboratory tests of prism strength and elastic modulus of basalt and granite high-strength concrete were carried out on prism samples in a heated state according to standard methods using special heating equipment combined with laboratory pressure equipment.</p></sec><sec><title>Results</title><p>Results. The authors determined structure behavior factors of basalt and granite high-strength concrete during heating, specifying the decrease in compressive strength and elastic modulus. Deformation diagrams during axial compression of high-strength granite and basalt concretes under heating were drawn.</p></sec><sec><title>Conclusions</title><p>Conclusions. The dynamics of reduction in strength and deformation properties is similar for granite and basalt high-strength concrete under heating and is specific for silicate aggregate concretes. The elastic moduli of basalt high-strength concrete are higher than those of granite high-strength concrete, both at 20 °C and when heated, thereby determining the dependence of high-strength concrete deformation properties on the types of aggregates. Deformation diagrams during the axial compression of high-strength granite and basalt concretes showed specific character: unilinear – when heated to temperatures of about 300–400 °C, bilinear – at higher heating temperatures, therefore differing from traditional ideas and theoretical recommendations.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>высокопрочный бетон</kwd><kwd>заполнители</kwd><kwd>базальт</kwd><kwd>гранит</kwd><kwd>температура</kwd><kwd>нагрев</kwd><kwd>модуль упругости</kwd><kwd>призменная прочность</kwd><kwd>диаграммы деформирования</kwd><kwd>напряжения</kwd><kwd>деформации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high-strength concrete</kwd><kwd>aggregates</kwd><kwd>basalt</kwd><kwd>granite</kwd><kwd>temperature</kwd><kwd>heating</kwd><kwd>elastic modulus</kwd><kwd>prism strength</kwd><kwd>deformation diagrams</kwd><kwd>stress</kwd><kwd>deformation</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">&lt;i&gt;Некрасов К.Д., Жуков В.В., Гуляева В.Ф.&lt;/i&gt; Тяжелый бетон в условиях повышенных температур. 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