Skip to main content

Table 4 Summary of the FE results analytical analysis

From: An impact echo method to detect cavities between railway track slabs and soil foundation

Cavity size (cm) TCL (cm) HSB (cm) T distance (cm) d Distance (cm) fr (Hz) fd (Hz)
5 × 5 × 5 25 50 55.5 22.5 102 2342
5 × 5 × 1.25 24.375 2256
5 × 5 × 0.75 24.625 2144