vestnikvniizhtВестник Научно-исследовательского института железнодорожного транспорта (ВЕСТНИК ВНИИЖТ)RUSSIAN RAILWAY SCIENCE JOURNAL2223-97312713-2560Joint Stock Company "Railway Research Institute"10.21780/2223-9731-2018-77-2-104-109vestnikvniizht-201Research ArticleДругоеMiscellaneousВыправка пути на щебеночном балласте установкой подшпальных прокладок и пневматическим суфляжемTrack alignment on crushed ballast with installation of under sleeper pads and pneumatic shovel packingПевзнерВ. О.PevznerV. O.noemail@neicon.ruКаплинВ. Н.KaplinV. N.noemail@neicon.ruАбрашитовА. А.AbrashitovA. N.abr54@yandex.ruСемакА. В.SemakA. V.noemail@neicon.ruАкционерное общество «Научно-исследовательский институт железнодорожного транспорта» (АО «ВНИИЖТ»)РоссияJoint Stock Company “Railway Research Institute” (JSC “VNIIZhT”)Russian FederationФедеральное государственное бюджетное образовательное учреждение высшего образования «Российский университет транспорта» (ФГБОУ ВО РУТ (МИИТ)РоссияFederal State Budget Educational Institution of Higher Education “Russian University of Transport” (FGBOU VO RUT (MIIT)Russian Federation201828042018772104109Copyright © Певзнер В.О., Каплин В.Н., Абрашитов А.А., Семак А.В., 20182018Певзнер В.О., Каплин В.Н., Абрашитов А.А., Семак А.В.Pevzner V.O., Kaplin V.N., Abrashitov A.N., Semak A.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.journal-vniizht.ru/jour/article/view/201

В статье описываются экспериментальные исследования опытных технологий выправки пути на щебеночном балласте - выправка установкой подшпальных прокладок и выправка пневматическим суфляжем, - проведенные специалистами АО «ВНИИЖТ» и РУТ (МИИТ, кафедра «Путь и путевое хозяйство») . Первые результаты эксперимента позволяют сделать вывод о необходимости внесения уточнений в эти технологии выправки пути для увеличения периода стабильной эксплуатации пути после выправочных мероприятий. Эти уточнения связаны в первую очередь с особенностями поведения выправленных шпал в зоне стыков сопряжения пути с различной жесткостью и определением величин необходимой подъемки пути домкратами при выправке пневматическим суфляжем.

Specialists of the Scientific Research Institute of Railway Transport (JSC “VNIIZhT”) and Tracks and track facilities Department of the RUT (MIIT) initiated the procedure in consultation with the Test Center of the JSC “VNIIZhT”, tests were performed on the Test Loop of the JSC “VNIIZhT” in Shcherbinka. The experiment was carried out to confirm the possibility of straightening the track in the profile by instal ling under-slipper pads and pneumatic shovel packing (by padding with the use of a compressed air stream to transfer and distribute the fine gravel particles under the sleeper). The purpose of the test was to search for alternative ways for piling up crushed ballast. As a result of the experiment, it was established:the use of pads and pneumatic shovel packing provides a much greater stability of the track in the profile than the alignment of the track by padding the ballast under the sleepers with electric packing machine;pneumatic shovel packing creates a greater resistance to the sleeper creeping in the zone of the mechanical joint in comparison with the adjustment of punching rubble for sleepers with electric packing machine with identical fasteners (the experimental and control joints follow one another);alignment with the installation of pads and pneumatic shovel packing can be successfully applied on the railway track with a large missed tonnage and high pollution of the ballast prism. The results of the tests carried out on the Test Loop of the JSC “VNIIZhT” help to refine the advanced technologies for straighte ning the railway track in the profile to under-sleeper pads and pneumatic shovel packing for the future creation of experimental sections on the existing rail track and the possible extension of these ways of straightening the railway track in the profile to the entire network.

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The authors declare that there are no conflicts of interest present.