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 8
Frequency spectrum curves of vibration velocity at track slab, roadbed, embankment. (a) f = 5 Hz. (b) f = 10 Hz. (c) f = 20 Hz.
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(b) |
(c) |