aggregatesAggregate particle size | 1~3.3 mm |
Aggregate hardness (Mohs hardness). | 8-9 |
Los Angeles wear value | 13-16 |
Polishing value | ≥ 45 |
Crushing value | <10% |
Elongated and flat particle content | < 5% |
Dust content | < 50mgkg |
Color | Uniform and consistent |
Test Item | uality standards | Testing method |
Appearance | Even, smooth, and compact | Visual inspection |
Bonding strength | ≥ 2.5 MPa, concrete structure completely destroyed | GB/T5210 |
Thickness | 5~6 mm (overload) | Penetrating |
Flatness | Not lower than the original road surface | T0933 |
Surface water permeability coefficient | m1/min | non-permeable | T0971 |
Friction coefficient | Sway value/lateral force coefficient | > 75 | T0955 |
Structural depth | Sand cushion method | > 3 mm | T0731 |