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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">vestnikvniizht</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Научно-исследовательского института железнодорожного транспорта (ВЕСТНИК ВНИИЖТ)</journal-title><trans-title-group xml:lang="en"><trans-title>RUSSIAN RAILWAY SCIENCE JOURNAL</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2223-9731</issn><issn pub-type="epub">2713-2560</issn><publisher><publisher-name>Joint Stock Company "Railway Research Institute"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestnikvniizht-37</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>Другое</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Miscellaneous</subject></subj-group></article-categories><title-group><article-title>Комбинированный метод исследования безбалластного пути</article-title><trans-title-group xml:lang="en"><trans-title>Combined Method of Ballastless Track Examination</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>Савин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Savin</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">2604136@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ОАО «ВНИИЖТ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC Railway Research Institute (JSC VNIIZhT)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>28</day><month>06</month><year>2015</year></pub-date><volume>0</volume><issue>3</issue><fpage>48</fpage><lpage>52</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Савин А.В., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Савин А.В.</copyright-holder><copyright-holder xml:lang="en">Savin A.V.</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.journal-vniizht.ru/jour/article/view/37">https://www.journal-vniizht.ru/jour/article/view/37</self-uri><abstract><p>Для получения достаточно точных значений необходимых вероятностных характеристик требуется проведение большого числа натурных экспериментов, что связано со значительными материальными затратами, особенно при исследовании безбалластной конструкции пути. С целью сокращения объема испытаний необходимо определить концепцию совместного применения математического моделирования и ограниченного числа натурных экспериментов. Предполагается, что систему в целом можно смоделировать, а отдельные элементы модели безбалластного пути подвергнуть натурным испытаниям. В результате теоретических исследований могут быть найдены статистические значения вероятностных характеристик модели системы, а аналитическим путем - вероятностные характеристики упрощенной модели системы. Обычно два указанных вида характеристик модели системы существуют независимо и используются лишь для косвенного взаимного подтверждения их правильности.</p></abstract><trans-abstract xml:lang="en"><p>For obtaining precise enough values of the required probabilistic characteristics it is necessary to carry out a large number of full-scale experiments demanding for considerable expenditures (especially in the case of ballastless track examination). For the purpose of the testing scope reduction it is necessary to define the common use concept of mathematic modelling and limited number of full-scale tests. It is supposed possible to obtain satisfactory model of a system as a whole and put to full-scale test limited number of ballastless track structure elements. Theoretical researches may help to find probabilistic characteristics’ statistical values of the system model. And probabilistic characteristics of the simplified system model may be obtained from the analysis. As a rule the two types of the system model characteristics are available independently of each other to be used for the purpose of indirect mutual proof of their correctness only.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>железнодорожный путь</kwd><kwd>модель</kwd><kwd>испытания</kwd><kwd>расчет</kwd><kwd>вероятность</kwd><kwd>моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>railway track</kwd><kwd>model</kwd><kwd>tests</kwd><kwd>calculation</kwd><kwd>probability</kwd><kwd>modeling</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">Пугачев В. Н. Комбинированные методы определения вероятностных характеристик. М.: Советское радио, 1973. 256 с.</mixed-citation><mixed-citation xml:lang="en">Pugachev V. N. Kombinirovannye metody opredeleniya veroyatnostnykh kharakteristik [Combined  methods for determining the probability characteristics]. 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