01372535

Component

Tire pavement interactions are by far the major component in traffic noise at general roadway cruising speeds in the range of 30 to 70 miles per hour and particularly for passenger cars and 35 to 70 mph for trucks. The paper investigated variables associated with tire-pavement-interaction-noise by physical conceptualization and field testing. Through an unforced stepwise regression analysis, based on an extensive field data collection, it is shown that air temperature, texture-spikiness, texture direction, international ride index and asperity groove wavelength significantly influenced tire-pavement-interaction-noise. Contrary to commonly held opinions, mean-profile-depth was not found to be a significant variable. The significant variables were formed into a linear phenomenological model for tire pavement noise. The model was able to match approximately 85% of field data within the 3dB (1.5dB offset) discernable human hearing range. Application of the model led to a successful quiet texture design for a large rehabilitation project where predicted and as-constructed sound intensity decreased by 3-6 dB.

01362476

12-2183

English

21p

2012

Transportation Research Board 91st Annual Meeting

Digital/other

Figures; References; Tables

Acoustic properties; Field tests; Pavements; Regression analysis; Rolling contact; Traffic noise

Phenomenological models

Design; Environment; Highways; Pavements; I15: Environment; I22: Design of Pavements, Railways and Guideways

Transportation Research Board Annual Meeting 2012 Paper #12-2183

TRIS, TRB

Feb 8 2012 5:08PM