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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">construction</journal-id><journal-title-group><journal-title xml:lang="ru">Строительство и реконструкция</journal-title><trans-title-group xml:lang="en"><trans-title>Building and Reconstruction</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7416</issn><publisher><publisher-name>Орловский государственный университет имени И.С. Тургенева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33979/2073-7416-2022-103-5-3-12</article-id><article-id custom-type="elpub" pub-id-type="custom">construction-514</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>ТЕОРИЯ ИНЖЕНЕРНЫХ СООРУЖЕНИЙ. СТРОИТЕЛЬНЫЕ КОНСТРУКЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>THEORY OF ENGINEERING STRUCTURES. BUILDING UNITS</subject></subj-group></article-categories><title-group><article-title>СИЛОВЫЕ ИСПЫТАНИЯ ПЛЕНКИ ЭТФЭ</article-title><trans-title-group xml:lang="en"><trans-title>POWER TESTING OF ETFE FILM</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>Овсянников</surname><given-names>Сергей Николаевич</given-names></name><name name-style="western" xml:lang="en"><surname>Ovsyannikov</surname><given-names>Sergey N.</given-names></name></name-alternatives><email xlink:type="simple">ovssn@tsuab.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>Околичный</surname><given-names>Василий Николаевич</given-names></name><name name-style="western" xml:lang="en"><surname>Okolichny</surname><given-names>Vasily N.</given-names></name></name-alternatives><email xlink:type="simple">okolichnyi@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Томский государственный архитектурно-строительный университет; Научно-исследовательский институт строительной физики РААСН</institution></aff><aff xml:lang="en"><institution>Tomsk State University of Architecture and Building; Scientific Research Institute of Construction Physics RAASN</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Томский государственный архитектурно-строительный университет</institution></aff><aff xml:lang="en"><institution>Tomsk State University of Architecture and Building</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>21</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>5</issue><fpage>3</fpage><lpage>12</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Овсянников С.Н., Околичный В.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Овсянников С.Н., Околичный В.Н.</copyright-holder><copyright-holder xml:lang="en">Ovsyannikov S.N., Okolichny V.N.</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://construction.elpub.ru/jour/article/view/514">https://construction.elpub.ru/jour/article/view/514</self-uri><abstract><p>Исследования механических свойств пленки из этилен-тетрафторэтилена (ЭТФЭ) актуальны для широкого применения в строительстве светопрозрачных покрытий в климатических условиях России, особенно в арктической зоне. Силовые испытания выполнены для пленки толщиной 250 мкм на разрывной машине INSTRON, а также при равномерно распределенной нагрузке при положительных и отрицательных темпереатурах. Установлен начальный модуль упругости по ГОСТ 34370-2017, который составил 1090 МПа. Для расчетов светопрозрачных покрытий выявлены три стадии нагружения. В упругой стадии работы пленки ЭТФЭ средний модуль упругости составил 35,8 МПа, в упруго-пластичной стадии - 1,78…2,71 МПа и в пластичной стадии работы - 0,06…0,086 МПа. Силовые испытания мембраны из пленки ЭТФЭ толщиной 250 мкм на силовой треугольной раме при равномерно распределенной нагрузке до 8,577 кПа не привели к разрыву мембраны ни при положительных (+15…+18 о  С), ни при отрицательных температурах (-23…-29 о  С). Многократные механические повреждения (порезы) мембраны под нагрузкой 8,50 кПа при температуре -26 о  С также не привели к ее разрыву. Прогибы мембраны при положительных температурах достигали 84 мм, при отрицательных температурах - 58,2 мм. Силовые испытания пленки ЭТФЭ показали ее сверхвысокие прочностные характеристики, что позволяет при локалиизации производства в России широко использовать ее для создания комфортной среды в сооружениях, возводимых в Арктике и на других территориях России.</p></abstract><trans-abstract xml:lang="en"><p>Studies of mechanical properties of ethylene-tetrafluoroethylene (ETFE) film they are relevant for wide application in the construction of translucent coatings in the climatic conditions of Russia, especially in the Arctic zone. Power tests were performed for a film with a thickness of 250 microns on an INSTRON bursting machine, as well as with a uniformly distributed load at positive and negative temperatures. The initial modulus of elasticity according to GOST 34370-2017 was established, which was 1090 MPa. Three loading stages have been identified for the calculations of translucent coatings. In the elastic stage of operation of the ETFE film, the average modulus of elasticity was 35.8 MPa, in the elastic-plastic stage - 1.78...2.71 MPa and in the plastic stage of operation - 0.06...0.086 MPa. Force tests of a membrane made of ETFE film with a thickness of 250 microns on a power triangular frame with a uniformly distributed load of up to 8,577 kPa did not lead to rupture of the membrane at any positive (+15 ...+18 о  С) not at subzero temperatures (-23...-29 о  С). Repeated mechanical damage (cuts) of the membrane under a load of 8.50 kPa at a temperature of -26 о  С also did not lead to its rupture. The deflections of the membrane at positive temperatures reached 84 mm, at negative temperatures - 58.2 mm. Power tests of the ETFE film have shown its ultra-high strength characteristics, which makes it possible to widely use it to create a comfortable environment in structures erected in the Arctic and other territories of Russia when localizing production in Russia.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пленка из этилен-тетрафторэтилена</kwd><kwd>механические испытания на разрыв</kwd><kwd>силовые испытания равномерно распределенной нагрузкой</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ethylene-tetrafluoroethylene film</kwd><kwd>mechanical tensile tests</kwd><kwd>power tests with evenly distributed load</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">Новое в технологии соединений фтора: Пер. с японск./ Под ред. Н. Исикавы. М.: Мир, 1984. 592 с</mixed-citation><mixed-citation xml:lang="en">Новое в технологии соединений фтора: Пер. с японск./ Под ред. Н. 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