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Long-Term Asphalt Trial: Results of Acoustic Tests After Three Years

Long-Term Asphalt Trial: Results of Acoustic Tests After Three Years In 2013, VicRoads initiated a long-term trial to investigate the acoustic performance of various asphalt pavements constructed as variations to the standard specification for Victorian roads (Simpson et al. in Proceedings of the 26th Australian Road Research Board (ARRB) conference, Sydney, Australia, 2014). Acoustic testing of these five variations included statistical pass-by tests, as well as close proximity (ISO/DIS 11819-2 in Acoustics—measurement of the influence of road surfaces on traffic noise—Part 2: the close-proximity method, International Standard Organization, Geneva, 2013) and on-board sound intensity measurements (AASHTO TP 76-12 in Standard method of test for measurement of tire/pavement noise using the on-board sound intensity (OBSI) method. American Association of State Highway and Transportation Officials, Washington, 2012). The data collected from the most recent trials are presented along with that previously gathered over the first 3 years of the trial. The best-performing section of pavement was found to be a wearing surface that was treated by diamond grinding, and that showed a consistent improvement in noise reduction of up to 3 dB(A) over the standard open-graded asphalt. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acoustics Australia Springer Journals

Long-Term Asphalt Trial: Results of Acoustic Tests After Three Years

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Publisher
Springer Journals
Copyright
Copyright © 2016 by Australian Acoustical Society
Subject
Engineering; Engineering Acoustics; Acoustics; Noise Control
ISSN
0814-6039
eISSN
1839-2571
DOI
10.1007/s40857-016-0063-6
Publisher site
See Article on Publisher Site

Abstract

In 2013, VicRoads initiated a long-term trial to investigate the acoustic performance of various asphalt pavements constructed as variations to the standard specification for Victorian roads (Simpson et al. in Proceedings of the 26th Australian Road Research Board (ARRB) conference, Sydney, Australia, 2014). Acoustic testing of these five variations included statistical pass-by tests, as well as close proximity (ISO/DIS 11819-2 in Acoustics—measurement of the influence of road surfaces on traffic noise—Part 2: the close-proximity method, International Standard Organization, Geneva, 2013) and on-board sound intensity measurements (AASHTO TP 76-12 in Standard method of test for measurement of tire/pavement noise using the on-board sound intensity (OBSI) method. American Association of State Highway and Transportation Officials, Washington, 2012). The data collected from the most recent trials are presented along with that previously gathered over the first 3 years of the trial. The best-performing section of pavement was found to be a wearing surface that was treated by diamond grinding, and that showed a consistent improvement in noise reduction of up to 3 dB(A) over the standard open-graded asphalt.

Journal

Acoustics AustraliaSpringer Journals

Published: Jul 14, 2016

References