An inversion method for evaluating ballastless track degradation based on multi-channel analysis of surface wave
Mechanical Systems and Signal Processing(2023)
摘要
•Simulation of ultrasonic wave propagation in ballastless track.•Improved stiffness matrix method for computing surface wave dispersion curve.•Influence of heterogeneous properties on surface wave dispersion.•Inversion method for estimating degradation factors of ballastless track.
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关键词
Ballastless track,Multi-channel analysis of surface wave,CA mortar degradation,Heterogeneous properties,Inversion
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