Application of Polyurethane Polymer and Assistant Rails to Settling the Abnormal Vehicle-Track Dynamic Effects in Transition Zone between Ballastless and Ballasted Track

<div>Photos of the transition zone: global graph of the transition zone before settlement (a), graph of the process of spraying polyurethane polymer (b), graph of the transition zone after spraying polyurethane polymer (c), and graph of the transition zone after laying assistant rails (d).</div>

Shock and Vibration

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Figure 3

Figure 3: Application of Polyurethane Polymer and Assistant Rails to Settling the Abnormal Vehicle-Track Dynamic Effects in Transition Zone between Ballastless and Ballasted Track 

Figure 3 | Application of Polyurethane Polymer and Assistant Rails to Settling the Abnormal Vehicle-Track Dynamic Effects in Transition Zone between Ballastless and Ballasted Track 