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Lifecycle Parameters of the Project 2750 Rail Switch on Reinforced Concrete Rods

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International Scientific Siberian Transport Forum TransSiberia - 2021 (TransSiberia 2021)


The article presents methodology and results of a study on durability of project 2750 switches on reinforced concrete bars laid in 2004 2007 on section O-N with mixed traffic of freight and passenger trains. The weighted average and gamma-percentile life of switches is determined in general and for its particular elements: frogs and repair kits. The project 2750 switch is one of the most massive projects on the West Siberian Railway. Data on failures of switch elements was taken from the EC ASUI for a 10-year period. The research result analysis showed that the weighted average resource of project 2750 switch exceeds 1 billion rubles GRT operating time. This is 3 times more than standard operating time established by technical requirements and thus indicates weak knowledge of project 2750 switch lifecycle. Service life of switch metal parts is 6.5 years or 760 million GRT operating time for the first track, 8 years or 640 million GRT operating time for the second track, which corresponds to 60% service life of the project 2750 switches in general. The average service life of frogs on both tracks was 115 million GRT operating time, which corresponds to 1 year of service on the first track and 1.5 years on the second track. Gamma-percentile life of frogs is 60 million GRT operating time and corresponds to the warranty period established by the switch plant. Based on the obtained operational data, a model of lifecycle cost for the project 2750 switch was constructed.

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Karpushchenko, N., Kolos, A., Komardinkin, R., Ackerman, S. (2022). Lifecycle Parameters of the Project 2750 Rail Switch on Reinforced Concrete Rods. In: Manakov, A., Edigarian, A. (eds) International Scientific Siberian Transport Forum TransSiberia - 2021. TransSiberia 2021. Lecture Notes in Networks and Systems, vol 403. Springer, Cham.

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  • Print ISBN: 978-3-030-96382-8

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