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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">rmrs</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-технический сборник Российского морского регистра судоходства</journal-title><trans-title-group xml:lang="en"><trans-title>Research Bulletin by Russian Maritime Register of Shipping</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2223-7097</issn><publisher><publisher-name>Российский морской регистр судоходства</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">rmrs-11</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>МЕХАНИЧЕСКИЕ УСТАНОВКИ И ДВИЖИТЕЛИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANICAL INSTALLATIONS AND PROPULSION</subject></subj-group></article-categories><title-group><article-title>ОБОСНОВАНИЕ ИЗМЕНЕНИЙ ТРЕБОВАНИЙ ПРАВИЛ РЕГИСТРА ПО ПРИМЕНЕНИЮ СВАРНЫХ МУФТОВЫХ СОЕДИНЕНИЙ ТРУБОПРОВОДОВ</article-title><trans-title-group xml:lang="en"><trans-title>SUBSTANTIATION FOR AMENDMENTS IN THE RS RULES REQUIREMENTS FOR THE USE OF SOCKET WELDED JOINTS IN PIPELINES</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>Шурпяк</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Shurpyak</surname><given-names>V. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>PhD</p><p>St. Petersburg</p></bio><email xlink:type="simple">shurpyak.vk@rs-class.org</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>Дуля</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dulya</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><email xlink:type="simple">dulya@nautic-rus.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Статинов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Statinov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St. Petersburg</p></bio><email xlink:type="simple">statinov@nautic-rus.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>, ФАУ «Российский морской регистр судоходства»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FAI "Russian Maritime Register of Shipping"</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО «Наутик Рус»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>LLC "Nautic Rus"</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>25</day><month>10</month><year>2024</year></pub-date><volume>0</volume><issue>68/69</issue><fpage>59</fpage><lpage>70</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шурпяк В.К., Дуля А.В., Статинов А.С., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Шурпяк В.К., Дуля А.В., Статинов А.С.</copyright-holder><copyright-holder xml:lang="en">Shurpyak V.K., Dulya A.V., Statinov A.S.</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://sbornik.rs-class.org/jour/article/view/11">https://sbornik.rs-class.org/jour/article/view/11</self-uri><abstract><p>В статье проведен сравнительный анализ требований классификационных обществ и отраслевых стандартов к сварным муфтовым соединениям. Определены геометрические параметры муфтовых соединений, регламентируемые различными нормативными документами и проведено их сравнение. Проведен численный эксперимент путем расчета медом конечных элементов напряженно-деформированного состояния в соединении, нагруженном различными эксплуатационными нагрузками. Полученные данные говорят о том, что коэффициент концентрации напряжений в сварном шве незначительно увеличивается при увеличении диаметра соединяемых труб и область применения сварных муфтовых соединений может быть расширена. В частности, допускаемый диаметр для применения сварных муфтовых соединений в трубопроводах II класса может быть увеличен при соблюдении некоторых дополнительных требований, которые сформулированы в статье в виде нормативного предложения к Правилам Регистра.</p></abstract><trans-abstract xml:lang="en"><p>The article provides a comparative analysis of the requirements of classification societies and industry standards for welded socket joints. The geometrical parameters of coupling joints, regulated by various normative documents, have been determined and compared. Numerical experiment has been carried out by calculating the finite element stress-strain state in a joint loaded with various operational loads. The data obtained indicate that the stress concentration factor in the weld increases slightly with an increase in the diameter of the pipes being connected, and thus the scope of welded socket joints can be expanded. The allowable diameter for the use of welded socket joints in class II pipelines can be increased subject to certain additional requirements, which are formulated in the article as a prospective normative proposal to the RS Rules.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>судовые трубопроводы</kwd><kwd>сварные муфтовые соединения труб</kwd><kwd>концентрация напряжений</kwd><kwd>расчет методом конечных элементов (МКЭ)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ship pipelines</kwd><kwd>slip-on sleeve welded joints of pipes</kwd><kwd>stress concentration</kwd><kwd>calculation by the finite element method (FEM)</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">Андреев В.В. Общая технология судостроения/В.В. Андреев. — Л.: Судостроение, 1984. — 184 с.</mixed-citation><mixed-citation xml:lang="en">Andreyev V.V. 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