Pavement characteristics affecting the frequency content of tire/pavement noise

被引：32
作者：
Ongel A. [1 ]
Harvey J. [2 ]
机构：
[1] Istanbul Kultur University, Department of Civil Engineering, 34156 Bakirkoy, Istanbul, Atakoy Campus
[2] Department of Civil and Environmental Engineering, Univ. of California Pavement Research Centre, University of California, Davis, Davis, CA 95616, One Shields Avenue
来源：
Noise Control Engineering Journal | 2011年 / 58卷 / 06期
关键词：
D O I：
10.3397/1.3514588
中图分类号：
学科分类号：
摘要：
Tire/pavement noise is a major contributor to traffic noise at highway speeds. Annoyance is more closely related to frequency content than to overall Aweighted noise levels, therefore spectral content analysis of tire/pavement noise is an important consideration. A study conducted in California measured the noise levels of different mix types and the pavement characteristics affecting noise levels as determined by on-board sound intensity (AASHTO TP 76-08). Data was collected on dense-graded asphalt concrete mixes (DGAC), conventional open-graded mixes (OGAC), open-graded rubberized asphalt concrete mixes (RAC-O), and gap-graded rubberized asphalt concrete mixes (RAC-G) with ages less than 8 years old. This paper evaluates the effects of pavement characteristics including the air-void content, gradation properties, rubber inclusion, roughness, texture, pavement surface condition, and age on one-third octave band noise levels. This research confirmed that macrotexture and IRI, which are associated with the impact and shock mechanisms, increase the noise levels at lower frequencies. Higher air-void content, associated with the air pumping mechanism, reduces the noise levels at higher frequencies. © 2010 Institute of Noise Control Engineering.
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页码：563 / 571
页数：8
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