Publications

The use of warm mix asphalt (WMA) appears to be increasing throughout the developed world in place of conventional hot mix asphalt (HMA). Acceptance depends upon confirmation of the environmental benefits and that on-road performance is at least…

This report documents the surface life prediction models that have evolved from the long term sampling of the bitumen in sprayed seals and thin asphalt surfaces. The estimation of surface life is predicated on the basis of the mechanism of bitumen…

Climatic conditions play a significant role in the performance of road infrastructure. Models which have been developed to describe road performance can benefit from accurate knowledge of climatic trends. Without access to complete historical data,…