AASHTO M247 TYPE I
Physics and chemistry function
Item | Standard |
Specific gravity(g/cm3) | 2.4--2.6 |
Refractive index | ≥1.5 |
Spherical beads (%) | >80 |
The Sieve Analysis
Mesh (Micrometer) | Percent passing (%) |
850 | 97-100 |
600 | 70-90 |
300 | 15-35 |
150 | 0 -5 |
AASHTO M247 TYPE II
Physics and chemistry function
Item | Standard |
Specific gravity(g/cm3) | 2.4--2.6 |
Refractive index | ≥1.5 |
Spherical beads (%) | >70 |
The Sieve Analysis
Mesh (Micrometer) | Percent passing (%) |
600 | 100 |
425 | 90-100 |
300 | 50-70 |
180 | 0 -5 |
AASHTO M247 TYPE III
Physics and chemistry function
Item | Standard |
Specific gravity(g/cm3) | 2.4--2.6 |
Refractive index | ≥1.5 |
Spherical beads (%) | >80 |
The Sieve Analysis
Diameter (μm) | Passing (%) |
1700 | 100 |
1400 | 95-100 |
1180 | 80-95 |
1000 | 10-40 |
850 | 0-5 |
710 | 0-2 |
