Several criteria for noise prevention and control of sound insulation panels
2020.12.28
Noise pollution is one of the three major pollutions in the world, which seriously affects people's life. Noise pollution is becoming more and more serious, and the demand for sound insulation panels is increasing. Next, let's talk about the noise prevention and control standards of sound insulation panels.
1.Indoor standard
Indoor noise standards can be divided into two kinds: residential and non-residential. The residential indoor noise standard is based on the quiet living requirements of the living area and the ambient noise standard, with reference to the conditions of residential windows. Normally, it should not be lower than 20 decibels of ambient noise standard. The indoor standard for residential buildings in China is 10 dB lower than the local ambient noise standard because there are more small factories near Chinese cities. Indoor noise standards for non-residential buildings are based on the use of the room.
2. Outdoor standards
The annoyance of ambient noise is the disturbance of conversation, thinking, sleeping and resting. Special residential areas in China's environmental noise standards are residential areas with a special need for quiet, such as soundproof panels in convalescent areas, soundproof panels in high-end hotel areas, etc. Residential, cultural and educational areas are purely residential, cultural, educational and institutional areas;
Mixed zones are mixed zones of general commercial and residential.
The second type of mixed zone is a mixed zone with less industrial, commercial, transportation and residential.
Central Business District is a prosperous area with a concentration of businesses. Industrial concentration areas are industrial areas designated by local governments. Both sides of the main traffic lanes are the sides of the road with more than 100 vehicles per hour. The standard value is the permissible outdoor noise level. The sound insulation panel measurement point is located 1 meter outside the window of the residential building affected by the noise and 1.2 meters above the ground. For noise that occurs frequently at night, the peak value shall not exceed the standard value of 10 dBA. For occasional noise at night, the peak value shall not exceed the standard value of 15 dB.
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