Effect of Air Void Content in Aging Characteristics of Bituminous Mix

Abstract

Effect Of Air Void Content In Aging Characteristics Of Bituminous Mix Oxidative aging is an important factor in the long term performance of asphalt pavements. Oxidation and the associated stiffening can lead to cracking, which in turn can lead to the functional and structural failure of the pavement system.

Therefore, a greater understanding of the nature of oxidative aging in asphalt pavements can potentially be of great importance in estimating the performance of a pavement before it is constructed. Of particular interest are the effects of aging on asphalt rubber pavements, due to the fact that, as a newer technology, few asphalt rubber pavement sections have been evaluated for their full service life. This study endeavors to shed some light on this topic.

Conclusion

This study has explored the extent to which the air voids content of asphalt concrete influences the temperature profiles, surface and thermo-physical properties of asphalt pavements. In addition, the effect of porosity on overall transport and storage of heat in asphalt mixture has been also investigated.