Figure 7
From: Effects of train speed and passenger capacity on ground vibration of underground suburban railways
Power spectra at each measurement point across various train speeds under no load. (a) 60Â km/h. (b) 80Â km/h. (c) 100Â km/h. (d) 113Â km/h. (e) 120Â km/h. (f) 140Â km/h.
