Needs in the traffic
1. Road sound barrier
The sound barrier made of the foam aluminum sound-absorbing panels at elevated road and viaduct can effectively reduce the low-frequency noise generated by the car. Foam aluminum sound-absorbing plate is 10mm thick, with the 60mm thick cavity set behind. And the general total height is 2800mm. The sound barrier noise reduction effect is two times the ordinary sound-emitting panel’s effect.
2. Noise reduction in road tunnel
Noise reduction wall made of 10mm thick perforated foam aluminum sound-absorbing plate in the road and river bottom tunnel, the 60mm thick cavity set behind can effectively absorb the low frequency noise generated by the car. Foam aluminum profile does not absorb moisture, still maintain a good sound and noise reduction effect, and the foam aluminum side wall can absorb the impact of kinetic energy and vibration waves, playing a role in protecting the inner wall of the tunnel. The foam Aluminum profile does not corrode and burnt is safe to use.
3. Noise reduction submarine tunnel
Using the noise absorption noise wall on the river bottom made of 10mm thick perforated foam aluminum sound-absorbing, with 60mm thick cavity set behind, though the submarine tunnel humidity, the foam aluminum profile does not absorb moisture, still maintain a good sound and noise reduction effect, and foam aluminum side wall can absorb the impact of kinetic energy and vibration waves, play a role in protecting the inner wall of the tunnel. Foam aluminum sound absorption board surface, through nickel, spray treatment, can be resistant to seawater corrosion.
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