Abstract
As cities grow in size, traffic also increases, thus making the population more exposed to road noise and traffic accidents. It is therefore important to study and understand which properties of the pavement influence its acoustic impact and skid resistance performance. The pavement texture plays a major role in generating noise and friction, and it can be engineered in order to control both of them at the same time. The phenomena regulating skid resistance are well understood today. The same applies for noise generation and propagation; the literature contains methods of designing the pavement surface layer to achieve consistent results. Several types of solutions can be found for asphalt mixtures, most of them derived from decades of studies and research. They use different approaches to be effective for noise and friction, but all have in common the control of the surface’s macro and microtexture. Finally, some considerations are made regarding novel paving solutions with artificial aggregates instead of natural ones to address noise and skid resistance.
Highlights
Resistance Solutions for RoadThe main function of highway pavement is to withstand traffic and allow mobility in a safe, comfortable, and economical way by distributing the surface loads to the existing natural subgrade [1]
This paper aims to offer a review of the depicted topic by discussing pavement texture properties and their relation to skid resistance and noise
This interaction is usually identified with the skid resistance, which is defined as a measure of the friction phenomena that have a direct and important effect on perceived and quantified road safety [8]
Summary
The main function of highway pavement is to withstand traffic and allow mobility in a safe, comfortable, and economical way by distributing the surface loads to the existing natural subgrade [1]. With a focus on the asphalt concrete surface of roads, the pavement’s texture appears to be a crucial aspect that can be controlled by the type and sizes of aggregates, type of asphalt binder, and through the laying processes. Control of these variables can increase friction, reduce water spray and splash, and abate noise. The term skid resistance is generally used to describe the pavement’s contribution to the development of friction It denotes a measurement of friction obtained under standardized conditions, in which the various parameters are controlled so that the effects of the road surface characteristics can be isolated [10,11]. A pioneering asphalt pavement solution is presented, which combines the noise abatement and skid resistance properties due to the adoption of innovative engineered artificial aggregates
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