Abstract
Traffic noise is a combination of noises produced from a number of sources. Of all the traffic noise sources, tire-pavement noise, which is emitted as a result of the interaction of rolling, slipping, or dragging tires and the pavement surface, is the dominant contributor of overall noise, particularly when vehicles are moving at higher speeds. Therefore, a number of research studies have been conducted to identify and analyze the factors affecting the generation of tire-pavement interaction noise. This helps in identifying and selecting appropriate noise mitigation techniques. In this paper, an extensive literature survey on the factors affecting tire-pavement noise is presented, and different views on the impact of each individual factor are discussed. From the literature survey, it is also evident that there is a potential correlation between pavement’s material characteristics and tire-pavement noise. A comprehensive discussion about this correlation is presented in the paper. In addition, this paper discusses various mathematical models for predicting pavement noise, and their advantages and shortcomings.
Highlights
In today’s world, a large portion of people and commercial goods are being transported over the highway networks, especially for inter-country transportation
Literature surveys showed that tire-pavement noise is influenced by a number of factors
Some factors influence noise generation individually while some combined with others in generating and enhancing tire-pavement noise
Summary
In today’s world, a large portion of people and commercial goods are being transported over the highway networks, especially for inter-country transportation. As a result of these transportation activities, the number of vehicles increases noise from highway traffic increases. It possesses a serious environmental problem to the road users (i.e., drivers and passengers) and to the people and animals living near the highways. Noise coming from the highway traffic can be classified into three general categories: (1) the power unit noise (engine, fan, exhaust, transmission, etc.); (2) the aerodynamic noise, which is related to the turbulent airflow around the vehicle; and (3) the tire-pavement noise. A crossover speed (the practical threshold above which quieter pavements will be most helpful) is reached, and beyond this point, the tire-pavement interaction noise becomes the dominant source [2,3,4]. It is important to understand how the various factors influence the noise
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