Investigation of Concrete Base-Roadbed Surface Contact Variation-Induced Vibration Characteristics of Vehicle-Slab Track-Subgrade System considering Fluid-Solid Interaction

Figure 14

Vibration responses of track subsystem with different lengths of the contact loss zone and rail speeds: (a) dynamic displacement of rail, (b) acceleration of rail, (c) dynamic displacement of concrete base, and (d) acceleration of concrete base.

(a)

(b)

(c)

(d)