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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">lkmip</journal-id><journal-title-group><journal-title xml:lang="ru">Лакокрасочные материалы и их применение</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Coatings Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0130-9013</issn><publisher><publisher-name>Paint-Media LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.3390/fire6110420</article-id><article-id custom-type="elpub" pub-id-type="custom">lkmip-133</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>ФИЗИКО-ХИМИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICO-CHEMICAL RESEARCH</subject></subj-group></article-categories><title-group><article-title>Теплотехнические характеристики эпоксидных огнезащитных составов при воздействии различных режимов пожара</article-title><trans-title-group xml:lang="en"><trans-title>Fire protection epoxy coatings for steel structures: influence of different temperature effects</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>Гравит</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gravit</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент</p></bio><bio xml:lang="en"><p>Candidate of Tech. Sci.</p><p>Saint-Petersburg 195251</p></bio><email xlink:type="simple">gravit_mv@spbstu.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>Шабунина</surname><given-names>Д. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Shabunina</surname><given-names>D. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистрант</p></bio><bio xml:lang="en"><p>magister</p><p>Saint-Petersburg 195251</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щеглов</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcheglov</surname><given-names>N. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент</p></bio><bio xml:lang="en"><p>student</p><p>Saint-Petersburg 195251</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО «Санкт-Петербургский политехнический университет Петра Великого»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Peter the Great St. Petersburg Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>29</day><month>05</month><year>2026</year></pub-date><volume>0</volume><issue>1-2</issue><fpage>51</fpage><lpage>68</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Paint-Media LLC, 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Paint-Media LLC</copyright-holder><copyright-holder xml:lang="en">Paint-Media LLC</copyright-holder><license xlink:href="https://www.lkmprim.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.lkmprim.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.lkmprim.ru/jour/article/view/133">https://www.lkmprim.ru/jour/article/view/133</self-uri><abstract><p>Для защиты металлических конструкций этажерок и эстакад объектов нефтегазового комплекса от воздействия низких (при разливе криогенных жидкостей) и высоких температур (при возможном развитии углеводородного режима пожара) используют различные системы огнезащитных покрытий. В статье приведены результаты испытаний огнезащитных покрытий на эпоксидном связующем после имитации разлива сжиженных углеводородов и последующего развития углеводородного режима пожара. Также приведены экспериментальные данные для эпоксидных покрытий при стандартном режиме пожара. Решение обратной задачи теплопроводности с использованием моделирования методом конечных элементов позволило определить теплофизические свойства образовавшегося пенококса в конце огневых испытаний стальных конструкций с эпоксидными покрытиями. Определены средняя толщина эпоксидного покрытия для достижения огнезащитной эффективности 120 мин и расход покрытия для углеводородного режима пожара по сравнению с расходом при стандартном режиме. Построены номограммы зависимости времени достижения критической температуры от объемного коэффициента при стандартном и углеводородном режиме пожара, при различной толщине сухого слоя эпоксидного покрытия.</p></abstract><trans-abstract xml:lang="en"><p>Various systems of flame retardant coatings are used to protect metal structures of platforms and rack structures of oil and gas facilities from low (in case of cryogenic liquids spill) and high temperatures (in case of possible development of hydrocarbon fire regime). The article presents the results of tests of fireproof coatings on epoxy binder after modeling of liquefied hydrocarbons spill and subsequent development of hydrocarbon fire regime. Experimental data for epoxy coatings under a standard fire regime are also presented. By solving the inverse heat conduction problem using finite element modeling it was possible to determine the thermophysical properties of the formed foam coke at the end of fire tests of metal structures with epoxy coatings. The average thickness of the epoxy coating to achieve fire protection efficiency of 120 min and the consumption of the coating for hydrocarbon fire mode compared to the consumption in the standard mode were determined. Nomograms of dependence of the time of reaching the critical temperature on the volume coefficient at standard and hydrocarbon fire modes, at different thickness of the dry layer of epoxy coating are constructed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>нефтегазовый комплекс</kwd><kwd>стальная конструкция</kwd><kwd>предел огнестойкости</kwd><kwd>огнезащита</kwd><kwd>углеводородный и стандартный режимы пожара</kwd><kwd>интумесцентное покрытие</kwd><kwd>криогенное воздействие</kwd></kwd-group><kwd-group xml:lang="en"><kwd>oil and gas complex</kwd><kwd>steel structure</kwd><kwd>epoxy coatings</kwd><kwd>fire resistance limit</kwd><kwd>fire protection</kwd><kwd>hydrocarbon and standard fire regimes</kwd><kwd>intumescent coating</kwd><kwd>cryogenic exposure</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">Gravit M., Gumerova E., Bardin A., Lukinov V. 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