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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">10.22227/1997-0935.2024.10.1617-1628</article-id><article-id custom-type="elpub" pub-id-type="custom">mgssuvest-395</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 свойств химического анкера на основе эпоксидной смолы</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of properties of chemical anchor on the basis of epoxy resin</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>Швецова</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shvetsova</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виктория Андреевна Швецова — преподаватель кафедры строительного материаловедения</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p></bio><bio xml:lang="en"><p>Victoria A. Shvetsova — lecturer at the Department of Construction Materials Science</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p></bio><email xlink:type="simple">ShvetsovaVA@mgsu.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>Ковалев</surname><given-names>М. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalev</surname><given-names>M. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Германович Ковалев — преподаватель кафедры железобетонных и каменных конструкций</p><p>129337, г. Москва, Ярославское шоссе, д. 26</p></bio><bio xml:lang="en"><p>Mikhail G. Kovalev — lecturer at the Department of Reinforced Concrete and Stone Structures</p><p>26 Yaroslavskoe shosse, Moscow, 129337</p></bio><email xlink:type="simple">KovalevMG@mgsu.ru</email><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 (НИУ МГСУ)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Civil Engineering (National Research University) (MGSU)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>31</day><month>10</month><year>2024</year></pub-date><volume>19</volume><issue>10</issue><fpage>1617</fpage><lpage>1628</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Швецова В.А., Ковалев М.Г., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Швецова В.А., Ковалев М.Г.</copyright-holder><copyright-holder xml:lang="en">Shvetsova V.A., Kovalev M.G.</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/395">https://www.vestnikmgsu.ru/jour/article/view/395</self-uri><abstract><sec><title>Введение</title><p>Введение. С уходом иностранных компаний с российского рынка появилась необходимость в химических анкерах отечественного производства. Исследованы свойства первого полностью отечественного химического анкера UТECH HITRE500 на основе эпоксидной смолы.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Температура стеклования определялась по ГОСТ 32618.2–2014 на приборе ТМА Q400, прочность при изгибе — по ГОСТ 4648–2014, прочность при сжатии — по ГОСТ 4651–2014, прочность сцепления клеевого состава с бетоном — по ГОСТ Р 58387–2019 при помощи испытательной машины Instron 3382.</p></sec><sec><title>Результаты</title><p>Результаты. Установлены такие характеристики химического анкера, как температура стеклования, прочность при изгибе, модуль упругости при изгибе, прочность при сжатии, сопротивление сцепления при вырыве при температурах эксплуатации: +23, +42, +70, –60 °С, а также время, за которое химический анкер набирает 97,7 % прочности на вырыв при твердении при температуре воздуха –10 °С (10 сут). Определено, что при выдерживании образцов, твердевших в течение 1 сут при комнатной температуре, при температурах +42 и +70 °С происходит значительное снижение прочности сцепления при вырыве (на 29,7 и 64,7 % соответственно). При выдерживании образцов, твердевших в течение 1 сут при комнатной температуре, при температуре –60 °С прочность на вырыв незначительно увеличилась по сравнению с контрольными образцами (на 4,6 %).</p></sec><sec><title>Выводы</title><p>Выводы. Приведены результаты испытаний первого полностью отечественного химического анкера UTECH HITRE500. Определены температура стеклования и физико-механические свойства отвержденного химического анкера. Установлено время, необходимое для набора прочности в условиях отрицательной температуры –10 °С, равное 10 сут.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. With the withdrawal of foreign companies from the Russian market there is a need for domestically produced bonded chemical anchors. The properties of the first fully locally produced bonded anchor UTECH HITRE500 based on epoxy resin are studied.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Glass transition temperature was determined according to GOST 32618.2–2014 on the TMA Q400 device; bending strength was determined according to GOST 4648–2014, compressive strength — according to GOST 4651–2014; pullout bond strength of adhesive composition to concrete was determined according to GOST R 58387–2019 with the help of Instron 3382 testing machine.</p></sec><sec><title>Results</title><p>Results. The following characteristics of the bonded anchor were determined during tests: glass transition temperature, bending strength, bending elastic modulus, compressive strength, ultimate resistance of bonding resistance to breakout at operating temperatures: +23, +42, +70, –60 °С, as well as the time for which the chemical anchor gains 97.7 % breakout strength when curing at air temperature –10 °С (10 days). It was established that when the specimens cured for 1 day at room temperature are kept at temperatures of +42 and +70 °С, the ultimate pullout bond strength decreases significantly (by 29.7 and 64.7 % respectively). It was found out that when the specimens cured for 1 day at room temperature, were tested at –60 °С the pullout strength slightly increased compared to the control specimens (4.6 % higher).</p></sec><sec><title>Conclusions</title><p>Conclusions. The results of tests of the first fully locally produced chemical anchor UTECH HITRE500 are presented. The glass transition temperature and physical and mechanical properties of the cured chemical anchor were determined. The time required for full bond strength gain in conditions of negative temperature –10 °C equal to 10 days was determined.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>химический анкер для бетона</kwd><kwd>химический анкер отечественного производства</kwd><kwd>температура стеклования</kwd><kwd>температура выдержки</kwd><kwd>прочность сцепления</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chemical anchor for concrete</kwd><kwd>locally manufactured chemical anchor</kwd><kwd>glass transition temperature</kwd><kwd>curing temperature</kwd><kwd>bond strength</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы благодарят генерального директора ООО «АСП-ГРУПП» С.А. Пашкевича за предоставленные образцы химических анкеров для проведения исследований.</funding-statement><funding-statement xml:lang="en">The authors thank the General Director of ASP-GRUPP LLC S.A. 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