Vibration and Long-Term Performance Analysis of Pile-Plank-Supported Low Subgrade of Ballastless Track under Excitation Loads

Figure 11

Vertical velocity, dynamic displacement, and dynamic soil pressure of subgrade versus vibration frequency. (a), (c), and (e) show vibration force acting on section II-II. (b), (d), and (f) show vibration force acting on section I-I.

(a)

(b)

(c)

(d)

(e)

(f)