The durability of bitumen is the focus for a ground-breaking collaboration between Nynas and the French road construction specialist Colas. Rheological testing of age induced cracking takes centre stage
How do we assess biodegradability? Why is it important to separate between bio-based and biodegradable? And how does biodegradability fit into the concept of sustainability? Three experts share their thoughts.
Over ten years in the making, the Welsh Government’s new surface course specification centres around stone mastic asphalt (SMA) and hopes to significantly increase the service life of the road surface materials.