Simultaneous Measurements of the Vehicle, Track, and Soil Vibrations at a Surface, Bridge, and Tunnel Railway Line

Figure 12

Vibrations of the railway vehicle and one-third octave band spectra for different train speeds □ 160, ○ 125, △ 100, + 80, and × 63 km/h, (a) car body, (b) bogie, (c) wheel 1, (d) wheel 2, (e) wheel 3, (f) wheel 4, surface line, (g) wheel 4, bridge line, and (h) wheel 1, tunnel line.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)