Citation
Fairfield, C., & Zagyapan, M. (2002). Continuous surface wave and impact methods of measuring the stiffness and density of railway ballast. NDT and E International, 35(2), 75-81. https://doi.org/10.1016/s0963-8695%2801%2900034-2
Authors
Keywords
Railway ballast; Compaction; Density; Measurements; Field inspection; Effects; Shear waves; Impacts; Pulse echoes; Railway engineering;
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