<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In this study, the traffic noise degradation in asphalt pavements was analysed using the ‘Statistical Pass-By method’. The sound levels of two surfaces were monitored during 9 and 12 years of service, respectively. By comparing the dependencies of the maximum A-weighted sound pressure level on logarithm of vehicle velocity, an increase in the sound level was found at all recorded speeds. Following an analysis of sound levels, as combined with the statistical pass-by index (SPBI) calculated versus age (expressed in vehicles), it was determined that the noise is an increasing power function of SPBI values on vehicle passes, based on an approximation of noise level adjustment to a reference temperature of 20 °C (using a coefficient of 0.06 for asphalt concrete surface AC11 and - 0.03 for mastic asphalt SMA11). The adjusted traffic noise degradation model showed that the SMA11 surface has a higher resistance to acoustic degradation than AC11 surface.</p>
</abstract>

In this study, the traffic noise degradation in asphalt pavements was analysed using the ‘Statistical Pass-By method’. The sound levels of two surfaces were monitored during 9 and 12 years of service, respectively. By comparing the dependencies of the maximum A-weighted sound pressure level on logarithm of vehicle velocity, an increase in the sound level was found at all recorded speeds. Following an analysis of sound levels, as combined with the statistical pass-by index (SPBI) calculated versus age (expressed in vehicles), it was determined that the noise is an increasing power function of SPBI values on vehicle passes, based on an approximation of noise level adjustment to a reference temperature of 20 °C (using a coefficient of 0.06 for asphalt concrete surface AC11 and - 0.03 for mastic asphalt SMA11). The adjusted traffic noise degradation model showed that the SMA11 surface has a higher resistance to acoustic degradation than AC11 surface.

The Correlation Between the Statistical Pass-By Index Values and the Total Number of Vehicle Passes

Department of Highway and Environmental Engineering

Civil and Environmental Engineering

This work is licensed under the Creative Commons Attribution 4.0 International License.

In this study, the traffic noise degradation in asphalt pavements was analysed using the ‘Statistical Pass-By method’. The sound levels of two surfaces were...

The Correlation Between the Statistical Pass-By Index Values and the Total Number of Vehicle Passes

Published Online: Dec 09, 2021

Page range: 559 - 571

DOI: https://doi.org/10.2478/cee-2021-0057

Keywords
Traffic, Noise, SPBI, Asphalt surface, Ageing

© 2021 Martin Decký et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

The Correlation Between the Statistical Pass-By Index Values and the Total Number of Vehicle Passes

Published Online: Dec 09, 2021

Page range: 559 - 571

DOI: https://doi.org/10.2478/cee-2021-0057

KeywordsTraffic, Noise, SPBI, Asphalt surface, Ageing

© 2021 Martin Decký et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
Traffic, Noise, SPBI, Asphalt surface, Ageing