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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">10.21285/2227-2917-2023-2-262-270</article-id><article-id custom-type="elpub" pub-id-type="custom">inbure-71</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>Исследование морозостойкости литых поропластов многослойных стеновых ограждений</article-title><trans-title-group xml:lang="en"><trans-title>Research into the frost resistance of cast foam plastics in multilayer wall envelopes Natalia A. Emelyanova</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7692-4424</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Емельянова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Emelyanova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Емельянова Наталья Александровна - старший преподаватель кафедры строительного производства.</p><p>664074, Иркутск, ул. Лермонтова, 83</p></bio><bio xml:lang="en"><p>Natalia A. Emelyanova - Senior lecturer of the Department of Construction Production.</p><p>83 Lermontov St., Irkutsk 664074</p></bio><email xlink:type="simple">ena6767@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>09</day><month>11</month><year>2023</year></pub-date><volume>13</volume><issue>2</issue><fpage>262</fpage><lpage>270</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Емельянова Н.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Емельянова Н.А.</copyright-holder><copyright-holder xml:lang="en">Emelyanova N.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/71">https://inbure.elpub.ru/jour/article/view/71</self-uri><abstract><p>Целью настоящего исследования является экспериментальная проверка возможности использования в зимних условиях литых композитов «Поропласт CF02» в качестве термовкладышей многослойных стеновых ограждений жилых и общественных зданий. Применение литых композитов в качестве термоизоляционного компонента многослойного ограждения уже давно является одним из технологически удобных, функционально эффективных и апробированных решений. Для круглогодичного ведения строительных работ с использованием литых композитов важно учитывать влияние условий внешней среды (температуры и влажности) на кинетику значимых параметров теплоизоляции, так как именно ее следует рассматривать в качестве критерия эксплуатационной долговечности. Циклические T-W испытания проводились в соответствии с нормативно стандартизированными методиками. Выполнена сравнительная оценка теплоизолирующих качеств литого композита «Поропласт CF02» при различных условиях полимеризации и после циклического замораживания и оттаивания различной интенсивности. В работе приведены результаты экспериментальных исследований сохраняемости теплозащитных свойств литых утеплителей из композита «Поропласт CF02» в условиях, моделирующих их работу в многослойных ограждающих конструкциях зданий в районах сурового климата. Проведенное экспериментальное исследование позволило подтвердить стабильность свойств литых утеплителей из композита «Поропласт CF02» при различных естественных условиях полимеризации и определяющее влияние влажности внешней среды на кинетику их изменения.</p></abstract><trans-abstract xml:lang="en"><p>The possibility of using Poroplast CF02 cast composites under winter conditions as thermofillers for multilayer wall enclosures of residential and public buildings was investigated. The use of cast composites as a thermo-insulating component in multilayer enclosures has long been considered as a technologically convenient, functionally effective, and reliable solution. When organizing year-round construction works with the use of cast composites, the influence of ambient conditions (temperature and humidity) on the kinetics of thermal insulation parameters should be taken into account. It is thermal insulation that should be considered as an operational durability criterion. Cyclic T-W tests were conducted in accordance with standardized regulatory methods. A comparative assessment of the thermo-insulating parameters of Poroplast CF02 cast composite samples was performed under varied polymerization conditions and after cyclic freezing and thawing of different intensities. The results of experimental studies into the stability of the thermal characteristics of Poroplast CF02 cast insulators under the conditions simulating their work in multilayered enclosure structures of buildings in severe climate areas are presented. The conducted experimental study confirmed the stability of Poroplast CF02 cast insulators under different natural polymerization conditions. The determining role of environmental humidity on the kinetics of such insulators was demonstrated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>многослойные ограждающие конструкции</kwd><kwd>теплоизоляционные материалы</kwd><kwd>теплопроводность</kwd><kwd>карбамидный поропласт</kwd><kwd>климатическая долговечность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>multilayer enclosing structures</kwd><kwd>heat-insulating materials</kwd><kwd>thermal conductivity</kwd><kwd>carbamide foam plastic</kwd><kwd>climatic durability</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">Бобрышев В.В. Однослойные и многослойные ограждающие конструкции здания // Молодой ученый. 2018. № 47 (233). С. 34–37. 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