The two main problems that occur in asphalt concrete (tarmac) surfaces are that wheel ruts are formed when the material is too soft, or that the surface cracks when too hard. Climate Considerations In ...

Greenvale Energy is on the path towards a commercial bitumen product after testwork at the Alpha project in Queensland recorded the highest conversion to date. GRV’s latest testwork shows company ...

Black curves are a plot of phase angle (δ) vs complex modulus (G*), containing no reference to temperature or frequency. Consequently, they are very easy to produce. Individual data points from the ...