Abstract
AbstractThe aim of this paper is to assess the impact of certain non-structural road elements on the noise levels produced by regular traffic on the streets of Cluj-Napoca, Romania. The road elements investigated are bridge expansion joints, manholes and different types of speed bumps, asphalt and polymer speed bumps. The study was conducted in different locations in the city, chosen such that a relevant average spectral data of the noise levels to be obtained. After a full spectrum analysis, the results shown noise level peaks specific to each type of the studied elements, highlighting their impact on an already noisy traffic. Also, the results highlight the importance of a good maintenance and quality control on the installation of non-structural road elements, that is a requirement not only with respect to noise reduction, but also with regard to traffic safety.KeywordsExpansion JointsManholeSpeed BumpsNoise PollutionCluj-Napoca
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