Traffic noise prediction techniques are important tools for assessing the effects of noise mitigation. A number of noise prediction models are available for predicting noise levels at a receptor point. Traditionally, these noise predictions are limited to road side areas, where the effects of building and other infrastructure act as a barrier impediment to noise propagation are not considered. This paper describes the application of simulation and modeling of a simplified traffic noise prediction method based on the U.S. FWHA highway and existing traffic noise prediction models. The simplification has been achieved mainly by using the assumption that traffic flow speeds of various vehicle classes are correlated and similar in magnitude Also, an assumption is made that ground attenuation depends not only on the type of ground cover but also on a horizontal distance between the source and the receiver. Finally, the research intends to numerically evaluate the tire-pavement noise of the road with Asphalt Rubber (AR) pavement to minimize the traffic noise generated by the pavement. The application of simulation and modeling by packaged software will be introduced for utilizing the results, planning purposes and preliminary prediction of the traffic noise level on the AR pavement road section in Saskatchewan. This traffic noise prediction model will be simple to use by any end users, particularly environmental planners, acoustic engineers, and non-specialists.
- Design Engineering Division and Computers and Information in Engineering Division
Noise Prediction Model Development for the Traffic Noise on Asphalt Rubber Roads
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Sachakamol, P, & Dai, L. "Noise Prediction Model Development for the Traffic Noise on Asphalt Rubber Roads." Proceedings of the ASME 2006 International Mechanical Engineering Congress and Exposition. Design Engineering and Computers and Information in Engineering, Parts A and B. Chicago, Illinois, USA. November 5–10, 2006. pp. 433-439. ASME. https://doi.org/10.1115/IMECE2006-13327
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