Based on vibration isolation technology and phononic crystal bandgap theory, this Broadband Frequency Rail Vibration Absorber uses optimized damping materials, a slotted expansion layer, and periodically arranged local resonators. The design enhances constrained-layer damping while broadening the effective frequency range, delivering efficient suppression of broadband rail vibration and noise radiation.
Broadband Frequency Rail Vibration Absorber is also highly effective in mitigating rail corrugation, curve squeal, and braking noise.








