Analysis of different interventions for noise control on a highway
a case study considering noise barriers, traffic speed, vehicle types and asphalt
DOI:
https://doi.org/10.55753/aev.v38e55.233Keywords:
acoustic barriers, noise control, road noiseAbstract
The purpose of this paper is to present a case study that analyzes different solutions for noise control on a highway in the state of São Paulo. This control aims to reduce the sound pressure level incident on the facades of the towers of a residential building located close to the highway. Different scenarios were analysed using the CadnaA – DataKustik software. The interventions considered include: construction of acoustic barriers, reduction of the maximum speed allowed for vehicles on the highway, restriction of the passage of large cargo vehicles and change of the road pavement. It was observed that, to meet the criteria for evaluating the sound pressure level resulting from land use and occupation, as stipulated in the ABNT NBR 10151:2019 standard, a combination of the different proposed interventions would be necessary.
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