Research Article

Experimental Analysis on Dynamic Response of X-Section Piled Raft Composite Foundation under Cyclic Axial Load for Ballastless Track in Soft Soil

Figure 9

Time histories of vibration velocity at embankment, cushion, and subsoil for three cyclic loading frequencies. (a) f = 5 Hz. (b) f = 10 Hz. (c) f = 20 Hz.
(a)
(b)
(c)