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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">vdgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Дагестанского государственного технического университета. Технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Herald of Dagestan State Technical University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-6185</issn><issn pub-type="epub">2542-095X</issn><publisher><publisher-name>Daghestan State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21822/2073-6185-2021-48-3-99-105</article-id><article-id custom-type="elpub" pub-id-type="custom">vdgtu-972</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>СТРОИТЕЛЬСТВО И АРХИТЕКТУРА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING AND ARCHITECTURE</subject></subj-group></article-categories><title-group><article-title>Изготовление арок из фибробетона для моста</article-title><trans-title-group xml:lang="en"><trans-title>Manufacturing of fiber-reinforced concrete bridge arches</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>Нахаев</surname><given-names>М. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Nakhaev</surname><given-names>M. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нахаев  Магомед  Рамзанович,  кандидат  технических  наук,  доцент,  проректор  по  науке  и инновациям</p><p>364024, г. Грозный, ул. Шерипова,32</p></bio><bio xml:lang="en"><p>Magomed R. Nakhaev, Cand. Sci. (Eng.), Assoc. Prof., Vice-Rector for Science and Innovation</p><p>32 Sheripova Str., 364024 Grozny</p></bio><email xlink:type="simple">mr-nakhaev@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Чеченский государственный университет имени А.А. Кадырова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.A. Kadyrov Chechen State 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>09</day><month>11</month><year>2021</year></pub-date><volume>48</volume><issue>3</issue><fpage>99</fpage><lpage>105</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нахаев М.Р., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Нахаев М.Р.</copyright-holder><copyright-holder xml:lang="en">Nakhaev M.R.</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.dgtu.ru/jour/article/view/972">https://vestnik.dgtu.ru/jour/article/view/972</self-uri><abstract><sec><title>Цель</title><p>Цель. Рассматривается новый метод изготовления арок для моста из фибробетона в виде аналога несъемной опалубки. В рамках настоящей работы получены результаты исследований, подтверждающие эффективность получения фибробетонов для строительства мостовых арок различной конфигурации.</p></sec><sec><title>Метод</title><p>Метод. Предлагаемые разработки позволят повысить прочностные характеристики мостовой арки для малых и средних мостов за счет оптимизации формы и размеров поперечного сечения в соответствии с изменением изгибающего момента по длине арки. Одновременно в несколько раз снизитcя ее металлоемкость.</p></sec><sec><title>Результат</title><p>Результат. Полученные результаты подтвердили эффективность электростатического распыления сухой бетонной смеси с одновременным до увлажнением, что способствует работе капиллярных сил по уплотнению слоёв бетона и изготовлению профилированной прочной оболочки (аналог несъемной усиленной опалубки) из армированного фибробетона.</p></sec><sec><title>Вывод</title><p>Вывод. Варьируя формой и размерами поперечного сечения, толщиной оболочки и степенью ее армирования, а также заполняя высокопрочным фибробетоном эту оболочку можно проектировать и изготавливать мостовые арки на различную нагрузку.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objective</title><p>Objective. A new method of manufacturing arches for a fiber-reinforced concrete bridge in the form of an analogue of permanent formwork is considered. Within the framework of this work, research results have been obtained that confirm the effectiveness of the system for the construction of bridge arches of various configurations.</p></sec><sec><title>Method</title><p>Method. The proposed developments will improve the strength characteristics of the bridge arch for small and medium bridges by optimizing the shape and size of the cross section in accordance with the change in the bending moment along the length of the arch. At the same time, reduce its metal consumption by several times.</p></sec><sec><title>Result</title><p>Result. The results obtained confirmed the effectiveness of electrostatic spraying of dry concrete mixture with simultaneous moisture up to moisture, which contributes to the work of capillary forces for compaction of concrete layers and the manufacture of a profiled strong shell (analogue of non-removable reinforced formwork) from reinforced fiber-reinforced concrete.</p></sec><sec><title>Conclusion</title><p>Conclusion. By varying the shape and dimensions of the cross- section, the thickness of the shell and the degree of its reinforcement, as well as filling this shell with high-strength fiber-reinforced concrete, it is possible to design and manufacture bridge arches for various loads.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>арка для моста</kwd><kwd>гибкий арматурно-сеточный каркас</kwd><kwd>сухая бетонная смесь</kwd><kwd>волокна</kwd><kwd>электростатические распылители</kwd><kwd>генератор холодного тумана</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Bridge arch</kwd><kwd>flexible mesh reinforcement</kwd><kwd>dry concrete mix</kwd><kwd>fibers</kwd><kwd>electrostatic sprayers</kwd><kwd>cold fog generator</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">Чэнь Тао, Овчинников И.И., Овчинников И.Г. 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