West Rail Line, Hong Kong

Tuned at 500-1000Hz

80m damper section

2000m track curvature

Floating slab track and medium attenuation baseplate

½ damper per rail support spacing

7dB(A) Long Term Noise Reduction

The performance of Q Damper are monitored for over 5 years. Throughout the monitoring period, Q Damper reduces 4-10dB(A) noise in average, subjected to the comparison between different rail conditions. After Q Damper are installed, the noise level becomes the same as the far track.

After Q Damper are installed, the noise level becomes the same as the far track.