AC is typically obtained as a residue from the crude oil refining process or natural sources. It has a semi-solid or solid consistency at ambient temperatures and is used as an aggregate binding ...

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 ...