期刊
SUSTAINABILITY
卷 13, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/su132212561
关键词
road traffic noise intervention; thin asphalt layers; health effects; annoyance; noise simulation; noise exposure; low-noise asphalt layers
资金
- City of Antwerp
- University Research Fund at the University of Antwerp [BOF/KP/39652]
The study shows that implementing low-noise thin asphalt layers in two streets of Antwerp, Belgium can effectively reduce road traffic noise without adversely affecting people's physical sensations, sleep quality, and comfort level during activities.
Low-noise thin asphalt layers (TALs) are a feasible solution to mitigate road traffic noise in urban environments. Nevertheless, the impacts of this type of noise intervention are reported mostly regarding noise levels, while non-acoustic aspects influencing the population perception are still little-known. This study investigates the implementation of TALs in two streets of Antwerp, Belgium. The effectiveness of the intervention was measured via noise modelling and acoustic measurements of road traffic noise. A reduction of 2.8 dB in noise exposure was observed in L-den and L-night, while SPB measurements showed decreases up to 5.2 dB on the roadside. The subjective impacts of the TALs were evaluated via self-administered surveys and compared to results from control streets. The annoyance indicators were positively impacted by the TALs implementation, resulting in annoyance levels similar or lower than in the control streets. The TALs did not impact the reported physical complaints, sleep quality, and comfort level to perform activities.
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