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 15
Frequency spectral analysis of dynamic soil stress 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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