Measuring noise pollution from sports events in urban environments (case study: Azadi stadium)
2023
Farzaneh Taghavi Baghan | Seyed Mostafa Tayebi Sani | Nabiollah Ider | Mozhdeh Khajoo
Sound pollution is known as one of the main disturbances in urban environments. The purpose of this study is to measure the sound level during sports competitions in the vicinity of settlements. For this purpose, Azadi Sports Complex was selected as the largest sports space in the IRAN and the measurements were performed cross-sectional and in two different times, which included days without sports competition and after the end of the sports competition. Measurements were used 5 times by KIMO-DB100. All measurements were made to determine the sound pressure level in network A. The mean data (Leq) was the basis for drawing the maps. To do this, the pattern of changes was entered into the Arc map software and based on the Inverse Distance Weighting method. The results showed that the minimum sound level on the day without exercise was 50 dB and the maximum sound level measured at this time was 80 dB. On the day of the race, the minimum and maximum sound levels were 55 dB and 95 dB, respectively. On a non-racing day, large sections of the study range have sound levels of 50-65 dB, indicating relative calm and compliance with outdoor sound standards. However, on the day of the match and after the spectators left the stadium, none of the sound level stations showed less than 75 dB. This situation continues for about 3 hours after the end of the game and until the study area of spectators and their cars is completely emptied.
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