Three-Dimensional Dynamic Analyses of Track-Embankment-Ground System Subjected to High Speed Train Loads

Figure 7

The frequency contents of the vertical velocity at selected points at different distances from the track center: 𝑣=80 m/s.

(a) A, 1.25 m

(b) B, 2.5 m

(c) C, 5 m

(d) D, 11 m

(e) E, 17.5 m