Materials

Dense Stone Asphalt

Structure and Properties

• A gap-graded, overfilled mix of stone, sand, filler and bitumen.
  
  
• Impermeable - no compaction required.
  
  
• Pre-fabricated for underwater applications.

Applications

• Toe constructions.
  
  
• Underwater protection of structures (tunnels, pipelines)
  
  
• Inclined or vertical cores for dams
  
  
• Easily worked so appropriate for awkward situations