Asphaltic Mastic
Structure and Properties
- An overfilled sand, filler and bitumen mix (typically, 3:1:1)
- Naturally dense so no compaction needed.
- Can be poured at working temperatures.
- Cools to form a viscous, flexible quasi-static mass.
- Impermeable.
- Bulk can be increased by adding up to 40% stone (known as Mastic Grout).
Applications
- Component of grouted stone.
- Component of OSA.
- Asphalt slabs for lining above and below water.
- Reinforcing stone revetments.
- Bed and toe protection.
