Sichuan - chongqing third channel 500 kv project noise control

Project introduction: due to the large amount of traffic flow on the channel, the vehicles cause huge noise when passing, which has a great impact on the normal life and office of nearby residents.

Treatment measures: set up sound barrier, the vertical column adopts plastic h-shaped steel, the sound absorption body adopts porous plastic spraying aluminum plate, centrifugal glass wool board, glass fiber cloth, acoustic cavity, plastic spraying panel mixed sound barrier. The top adopts arc reflector plate.

Governance effect: after installing the sound barrier, the sound insulation amount is greater than 20dB (A).