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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">firesmi</journal-id><journal-title-group><journal-title xml:lang="ru">Пожаровзрывобезопасность/Fire and Explosion Safety</journal-title><trans-title-group xml:lang="en"><trans-title>Pozharovzryvobezopasnost/Fire and Explosion Safety</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-7493</issn><issn pub-type="epub">2587-6201</issn><publisher><publisher-name>ФГБОУ ВО «Национальный исследовательский Московский государственный строительный университет»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/0869-7493.2024.33.06.48-55</article-id><article-id custom-type="elpub" pub-id-type="custom">firesmi-1446</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>МАТЕМАТИЧЕСКОЕ МОДЕЛИРОВАНИЕ, ЧИСЛЕННЫЕ МЕТОДЫ И КОМПЛЕКСЫ ПРОГРАММ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATHEMATICAL MODELING, NUMERICAL METHODS AND PROGRAM COMPLEXES</subject></subj-group></article-categories><title-group><article-title>Моделирование теплового воздействия пожаров в зданиях из деревянных конструкций на соседние объекты</article-title><trans-title-group xml:lang="en"><trans-title>Modelling of thermal effects of fires in buildings made of wooden structures on neighbouring objects</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5659-0746</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хасанов</surname><given-names>И. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Khasanov</surname><given-names>I. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ХАСАНОВ Ирек Равильевич, д.т.н., главный научный сотрудник</p><p>143903, Московская обл., г. Балашиха, мкр. ВНИИПО, 12</p><p>ResearcherID: T-4177-2017, РИНЦ AuthorID: 157014</p></bio><bio xml:lang="en"><p>Irek R. KHASANOV, Dr. Sci. (Eng.), Chief Researcher</p><p>VNIIPO, 12, Bala­shikha, Moscow Region, 143903</p><p>ResearcherID: T-4177-2017, RSCI AuthorID: 157014</p></bio><email xlink:type="simple">irhas@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4498-3021</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зуев</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zuev</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ЗУЕВ Станислав Анатольевич, к.т.н., ведущий научный сотрудник</p><p>143903, Московская обл., г. Балашиха, мкр. ВНИИПО, 12</p><p>РИНЦ AuthorID: 328576</p></bio><bio xml:lang="en"><p>Stanislav A. ZUEV, Cand. Sci. (Eng.), Leading Researcher</p><p>VNIIPO, 12, Balashikha, Moscow Region, 143903</p><p>RSCI AuthorID: 328576</p></bio><email xlink:type="simple">k708@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6347-3257</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абашкин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Abashkin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>АБАШКИН Александр Анатольевич, начальник отдела</p><p>143903, Московская обл., г. Балашиха, мкр. ВНИИПО, 12</p></bio><bio xml:lang="en"><p>Aleksandr A. ABASHKIN, Head of Department</p><p>VNIIPO, 12, Balashikha, Moscow Region, 143903</p></bio><email xlink:type="simple">one_15@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский ордена «Знак Почета» научно-исследовательский институт противопожарной обороны Министерства Российской Федерации по делам гражданской обороны, чрезвычайным ситуациям и ликвидации последствий стихийных бедствий</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Research Institute for Fire Protection of Ministry of Russian Federation for Civil Defense, Emergencies and Elimination of Consequences of Natural Disasters</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2024</year></pub-date><volume>33</volume><issue>6</issue><fpage>48</fpage><lpage>55</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хасанов И.Р., Зуев С.А., Абашкин А.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Хасанов И.Р., Зуев С.А., Абашкин А.А.</copyright-holder><copyright-holder xml:lang="en">Khasanov I.R., Zuev S.A., Abashkin A.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://www.fire-smi.ru/jour/article/view/1446">https://www.fire-smi.ru/jour/article/view/1446</self-uri><abstract><sec><title>Введение</title><p>Введение. При проектировании и строительстве деревянных зданий нормативными документами предусмотрен ряд ограничений, обусловленных их низкой устойчивостью при пожаре. Противопожарные разрывы (расстояния) для таких зданий максимальны, а увеличение их этажности приведет к их дополнительному увеличению. В связи с этим представляется обоснованным проведение исследований в части оценки оптимальных противопожарных разрывов для ограничения распространения пожара в деревянных зданиях на соседние объекты.</p></sec><sec><title>Цели и задачи</title><p>Цели и задачи. Целью настоящей работы является изучение путем полевого моделирования особенностей поведения при пожаре деревянных конструкций для определения количественных характеристик тепловых потоков на соседние объекты защиты для выбора безопасных противопожарных расстояний.</p></sec><sec><title>Методология исследования</title><p>Методология исследования. Для достижения цели исследования использовалось полевое моделирование динамики пожара с использованием компьютерного программного комплекса FDS. При моделировании получены значения температур и тепловых потоков на соседние объекты от пожаров в деревянных зданиях.</p><p>Результаты и их обсуждение. В результате моделирования развития пожара в деревянных зданиях различной этажности были получены значения интенсивности теплового излучения на соседние объекты, в том числе с учетом ветровой нагрузки. Результаты расчетов позволили разработать предложения по применению полученных данных при разработке обоснованных нормативных требований пожарной безопасности.</p></sec><sec><title>Заключение</title><p>Заключение. Показано, что при пожарах в зданиях с конструкциями из незащищенной древесины при повышении этажности наблюдается рост теплового воздействия на соседние объекты. При наличии ветра в направлении соседнего объекта тепловое воздействие также увеличивается. При оценке безопасных расстояний следует учитывать возможность совместного воздействия лучистого и конвективного потоков. Для соблюдения действующих нормативных значений противопожарных расстояний необходимо повышение пожарной устойчивости деревянных зданий путем увеличения пределов огнестойкости и снижения классов пожарной опасности несущих и ограж­дающих строительных конструкций.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. When designing and constructing wooden buildings, regulatory documents stipulate a number of restrictions due to their low fire resistance. Fire breaks (distances) for such buildings are maximum, and an increase in their number of floors will lead to their additional increase. In this regard, it seems reasonable to conduct research in terms of assessing the optimal fire breaks to limit the spread of fire in wooden buildings to neighbouring facilities.</p></sec><sec><title>Aims and objectives</title><p>Aims and objectives. The aim of this work is to study by field modelling the peculiarities of fire behaviour of wooden structures to determine the quantitative characteristics of heat flows to neighbouring protection facilities for the selection of safe fire separation distances.</p></sec><sec><title>Research methodology</title><p>Research methodology. To achieve the purpose of the study, field modelling of fire dynamics using the FDS computer software package was used. During the simulation, the values of temperatures and heat fluxes to neighbouring objects from fires in wooden buildings were obtained.</p><p>The results and their discussion. As a result of modelling of fire development in wooden buildings of different number of floors, values of the intensity of thermal radiation on neighbouring objects were obtained, including taking into account the wind load. The results of the calculations made it possible to develop proposals for the application of the data obtained in the development of sound regulatory requirements for fire safety. </p></sec><sec><title>Conclusion</title><p>Conclusion. It is shown that in case of fires in buildings with structures made of unprotected wood, with an increase in the number of floors, an increase in thermal effects on neighbouring objects is observed. In the presence of wind in the direction of a neighbouring object, the thermal effect also increases. When assessing safe distances, the possibility of combined exposure to radiant and convective flows should be taken into account. In order to comply with the current regulatory values of fire-fighting distances, it is necessary to increase the fire resistance of wooden buildings by increasing the fire resistance limits and reducing the fire hazard classes of load-bearing and enclosing building structures.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>деревянные здания</kwd><kwd>деревянные конструкции</kwd><kwd>полевое моделирование пожара</kwd><kwd>противопожарный разрыв</kwd><kwd>тепловой поток</kwd><kwd>распространение пожара</kwd></kwd-group><kwd-group xml:lang="en"><kwd>wooden buildings</kwd><kwd>wooden structures</kwd><kwd>field modelling of fire</kwd><kwd>fire breaks</kwd><kwd>heat flow</kwd><kwd>spread of fire</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">Хасанов И.Р. 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