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The combined effects of porous asphalt surfacing and barriers on traffic noise

Watts, G.R., Chandler-Wilde, S. N. and Morgan, P.A. (1999) The combined effects of porous asphalt surfacing and barriers on traffic noise. Applied Acoustics, 58 (3). pp. 351-377. ISSN 0003-682X

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To link to this item DOI: 10.1016/S0003-682X(98)00045-0

Abstract/Summary

There is considerable interest in the use of porous asphalt (PA) surfacing on highways since physical and subjective assessments of noise have indicated a significant advantage over conventional non-porous surfaces such as hot rolled asphalt (HRA) used widely for motorway surfacing in the UK. However, it was not known whether the benefit of the PA surface was affected by the presence of roadside barriers. Noise predictions have been made using the Boundary Element Method (BEM) approach to determine the extent to which the noise reducing benefits of PA could be added to the screening effects of noise barriers in order to obtain the overall reduction in noise levels

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Mathematics and Statistics
ID Code:32651
Publisher:Elsevier

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