Abstract
The paper considers the relationship between the supporting subsoil of the roadbed and the parameters of seismic records of train movements. Experimental examples and mathematical modeling show that when processing seismic records, it is possible to detect at an early stage changes in the supporting roadbed subsoil due to possible degradation in the strength and deformation properties soils. Practical problems of using various seismic sensors and their location for railway roadbed modeling are considered.
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ACKNOWLEDGMENTS
The authors thank the Northern Railway (NR) staff and NR Deputy Chief Engineer of Territorial Management S.V. Garevskikh for help with research.
Funding
The study was partially supported by the Russian Foundation for Basic Research (project no. 17-20-02119 “Development of Seismic Monitoring Technology and Real-Time Assessment of the State of Railway Roadbeds in the Far North and Siberia” and by topic no. АААА-А18-118012490072-7 of the seismology laboratory of FITSKIA, Russian Academy of Sciences.
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Antonovskaya, G.N., Kapustian, N.K. & Fedorenko, E.V. Capabilities of Seismic Equipment in Assessing the State of Railway Embankments. Seism. Instr. 56, 161–169 (2020). https://doi.org/10.3103/S0747923920020024
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DOI: https://doi.org/10.3103/S0747923920020024