Viability Analysis of Waste Tires as Material for Rail Vibration and Noise Control in Modern Tram Track Systems

Figure 2

Main materials of the damping chamber elements: deconstructed waste-tires particle of 4-5 mm (a) and 1–3 mm (b), carbon black (c), and polyurethane (d).

(a)

(b)

(c)

(d)