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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Structural Mechanics of Engineering Constructions and Buildings</journal-id><journal-title-group><journal-title xml:lang="en">Structural Mechanics of Engineering Constructions and Buildings</journal-title><trans-title-group xml:lang="ru"><trans-title>Строительная механика инженерных конструкций и сооружений</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1815-5235</issn><issn publication-format="electronic">2587-8700</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">22363</article-id><article-id pub-id-type="doi">10.22363/1815-5235-2019-15-5-392-398</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Dynamics of structures and buildings</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Динамика конструкций и сооружений</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Calculation of seismic qualities of the damper and vibration transducer with the possibility of their use in aircraft</article-title><trans-title-group xml:lang="ru"><trans-title>Расчет сейсмозащитных качеств демпфера и гасителя с возможностью их использования в летательных аппаратах</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Madzhidov</surname><given-names>Inomzhon U.</given-names></name><name xml:lang="ru"><surname>Маджидов</surname><given-names>Иномжон Урушевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Technical Sciences, Professor.</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор</p></bio><email>ibragimov-dem@yandex.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Aripkhodzhaeva</surname><given-names>Malika B.</given-names></name><name xml:lang="ru"><surname>Арипходжаева</surname><given-names>Малика Бахтияровна</given-names></name></name-alternatives><bio xml:lang="en"><p>senior lecturer, Department of Safety of Life.</p></bio><bio xml:lang="ru"><p>старший преподаватель кафедры безопасности жизнедеятельности.</p></bio><email>ibragimov-dem@yandex.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rakhmatova</surname><given-names>Dilnoza M.</given-names></name><name xml:lang="ru"><surname>Рахматова</surname><given-names>Дилноза Мухитдиновна</given-names></name></name-alternatives><bio xml:lang="en"><p>senior lecturer, Department of Safety of Life</p></bio><bio xml:lang="ru"><p>старший преподаватель кафедры безопасности жизнедеятельности.</p></bio><email>ibragimov-dem@yandex.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="spin">2555-7348</contrib-id><name-alternatives><name xml:lang="en"><surname>Suleymanov</surname><given-names>Adiljan A.</given-names></name><name xml:lang="ru"><surname>Сулейманов</surname><given-names>Адылжан Арифджанович</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Technical Sciences, Professor, Department of Safety of Life.</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор кафедры безопасности жизнедеятельности</p></bio><email>ibragimov-dem@yandex.com</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Ministry of Higher and Secondary Special Education of Uzbekistan</institution></aff><aff><institution xml:lang="ru">Министерство высшего и среднего специального образования Республики Узбекистан</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Tashkent State Technical University</institution></aff><aff><institution xml:lang="ru">Ташкентский государственный технический университет имени И. Каримова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2019</year></pub-date><volume>15</volume><issue>5</issue><issue-title xml:lang="en">VOL 15, NO5 (2019)</issue-title><issue-title xml:lang="ru">ТОМ 15, №5 (2019)</issue-title><fpage>392</fpage><lpage>398</lpage><history><date date-type="received" iso-8601-date="2019-12-04"><day>04</day><month>12</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Madzhidov I.U., Aripkhodzhaeva M.B., Rakhmatova D.M., Suleymanov A.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Маджидов И.У., Арипходжаева М.Б., Рахматова Д.М., Сулейманов А.А.</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Madzhidov I.U., Aripkhodzhaeva M.B., Rakhmatova D.M., Suleymanov A.A.</copyright-holder><copyright-holder xml:lang="ru">Маджидов И.У., Арипходжаева М.Б., Рахматова Д.М., Сулейманов А.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">http://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/22363">https://journals.rudn.ru/structural-mechanics/article/view/22363</self-uri><abstract xml:lang="en"><p>The aim of the work. The article aims to determine the most effective seismic protection devices, as well as their degree of reliability in different conditions. The method of comparative calculation for determining the quality of seismic protection devices is given. An example of calculation for the damper and vibration transducer is carried out. Calculations show that the use of seismic protection devices reduces the coefficient of K 3 more than twice. Seismic protection is an urgent problem not only in construction, but also in all branches of the technosphere. The option of using seismic protection devices in aircraft is also considered. Methods. A comparative calculation of the behavior of dampers and vibration transducer taking into account the friction coefficients f tr, the sum of vertical loads ∑ Qkd , the total shear seismic force ∑ Sdc is considered. The diagram of the location of seismic protection devices (damper and vibration transducer) under the building is presented, as well as the options for installation in aircraft are given. Comparative calculations are carried out with the presence of seismic protection installations and without them. Results. The total result is given taking into account the change in the value of horizontal seismic loads Sik , which has changed in the range of 2.26-2.46 times. This circumstance allows to conclude that the proposed damping device reduces the seismic load, which falls on the protected structure, by 1-2 points, with almost the same efficiency as the vibration transducers (difference of 0.3 times).</p></abstract><trans-abstract xml:lang="ru"><p>Целью исследования является определение наиболее эффективных сейсмозащитных устройств, а также степени их надежности в различных условиях. Дана методика сравнительного расчета для определения качества сейсмозащитных устройств. Приведен пример расчета для демпфера и гасителя. Расчеты показывают, что использование сейсмозащитных устройств уменьшает коэффициент К 3 более чем в два раза. Сейсмозащита является актуальной проблемой не только в строительстве, но и во всех отраслях техносферы. Рассматривается возможность использования сейсмозащитных устройств в летательных аппаратах. Методы. Проводится сравнительный расчет поведения гасителей и демпферов с учетом коэффициентов трения f тр, суммы вертикальных нагрузок ∑ Qkд, суммарной перерезывающей сейсмической силы ∑ S д k . Представлены рисунки - схемы расположения сейсмозащитных устройств (демпфера и гасителя) под зданием, а также варианты их установки в летательных аппаратах. Сравнительные расчеты проводятся с наличием сейсмозащитных установок и без них. Результаты. По итогам исследования выявлено изменение величины горизонтальных сейсмических нагрузок Sik в пределах 2,26-2,46 раза. Это обстоятельство позволяет сделать вывод, что предложенное демпферное устройство снижает сейсмическую нагрузку, приходящуюся на защищаемое сооружение, на 1-2 балла, то есть почти с такой же эффективностью, как гасители (отличие в 0,3 раза).</p></trans-abstract><kwd-group xml:lang="en"><kwd>seismic protection devices</kwd><kwd>damper</kwd><kwd>seismic damper</kwd><kwd>dissipation factor</kwd><kwd>vibration decrement</kwd><kwd>seismic activity</kwd><kwd>buildings and structures</kwd><kwd>aircraft</kwd><kwd>seismic loads</kwd><kwd>horizontal and vertical loads</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сейсмозащитные устройства</kwd><kwd>демпфер</kwd><kwd>сейсмогаситель</kwd><kwd>коэффициент диссипации</kwd><kwd>декремент колебания</kwd><kwd>сейсмовоздействие</kwd><kwd>здания и сооружения</kwd><kwd>летательные аппараты</kwd><kwd>сейсмические нагрузки</kwd><kwd>горизонтальные и вертикальные нагрузки</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Suleymanov A.A., Ibragimov B.T. 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