Abstract
Purpose: To examine the necessity of conducting measures to strengthen the main trackbed of railway tracks in order to reduce the impact of track repairs on infrastructure, ensure and enhance the carrying capacity of railway lines. To demonstrate the need to increase the output of high-quality leading machines using closed-loop technology, as well as to propose additional measures aimed at optimizing the number of machines and personnel involved in the production process. Methods: A comparison is made between the currently employed technologies for strengthening the main trackbed with sub-ballast protective layers using automotive and tractor equipment and railway construction machinery, as well as track complexes of foreign production, with the proposed technology and the utilization of high-efficiency domestic track machinery. Analysis of productivity indicators and the selection of the optimal option. Results: The necessity of prioritizing domestic technologies and track machinery for conducting major track repairs is indicated as the most effective means of increasing the load-bearing capacity of the track superstructure. Current requirements for technological processes and track machinery to ensure the sustainable operation of railway tracks under growing freight traffic intensity are examined. Technical specifications of the new track machine for ballast excavation, compaction, and the creation of sub-ballast protective layers are presented. Details regarding the design features of the track machine are provided. Practical significance: The need for implementing high-tech equipment and innovative technologies with higher productivity compared to foreign counterparts is demonstrated, along with the potential economic benefits of adopting the proposed technologies. The suggested technology will increase the lifespan of railway tracks and reduce operating costs.
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