Asphalt is a widely used construction material consisting of bitumen, a sticky, black and highly viscous form of petroleum, which is mixed with aggregate materials including sand and gravel. When heated and mixed thoroughly with aggregate, it becomes a malleable substance. Upon cooling, it becomes solid and can be laid down in large, flat slabs to form asphalt concrete pavements. Composition and Production
Asphalt is primarily composed of bitumen, which accounts ... Read more
