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.
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