Browse Publications Technical Papers 2005-01-2416
2005-05-16

The Effect of Pavement Type on Low Speed Light Vehicle Noise Emission 2005-01-2416

At speeds of 50 km/h or greater, the exterior noise emission of light vehicles is typically dominated by tire/pavement noise for operating conditions of cruise and moderate acceleration. At a test speed of 56 km/h, it has been found that pavement type can create a 10 dB or more variation in tire/pavement noise. This has significant implications for both community noise and vehicle noise emission testing. In this paper, the results of tire/pavement noise measurements for over 80 different pavements in Europe and the United States are reported. These pavements include research surfaces, existing roadways, and ISO 10844 passby test surfaces. Measurements were conducted using an on-board sound intensity methodology that has been correlated to cruise-by noise levels. These results are discussed in terms of the revisions being considered for the ISO 362 passby test procedure and the ISO 10844 test surface specification. Additionally, a case history of community traffic noise reduction achieved by use of a quieter pavement is reviewed to demonstrate the importance of the pavement in low speed vehicle noise emissions

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