United States Department of Transportation
i
Effectiveness of noise barriers installed adjacent to transverse grooved concrete pavement : executive summary report.
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2009-10-16
[PDF-60.71 KB]
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Edition:Executive summary report.
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Abstract:In recent years the Ohio Department of Transportation (ODOT) has reconstructed a number of roadways where asphalt pavements were replaced with concrete pavements which were finished with a random transverse grooved surface texture (ODOT specification 451.09). Upon completion of these projects, residents living adjacent to the reconstructed roadways have complained of increased noise levels. Complaints have been received from residents near locations where random transverse grooved concrete pavement replaced asphalt pavement and where no traffic noise barriers were constructed as well as those locations where noise barriers were constructed. In these cases, one might expect that the addition of noise barriers would provide acceptable abatement of the higher traffic noise levels associated with the replacement pavement type. However, the complaints received at these locations suggest that the abatement was not adequate to compensate for the louder source levels. Therefore, this research project was initiated to address the noise barrier design issues associated with the abatement of traffic noise for the ODOT random transverse grooved concrete pavement. It is known with certainty that the interaction of vehicle tires on this pavement produces the highest traffic noise levels of any of the ODOT pavement types.
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