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 6
Frequency contents of vibration displacement at track slab (D1) and roadbed (D2). (a) Track slab (D1, f = 5 Hz, 10 Hz, and 20 Hz). (b) Roadbed (D2, f = 5 Hz, 10 Hz, 20 Hz).
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