Table 3.
Detailed dimensions of cracks.
| Crack number | #1 | #2 | #3 | #4 | #5 | #6 | #7 | #8 | #9 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 st group | Lengths on the tread(mm) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 10 |
| Width(mm) | 0.1 | 0.2 | 0.3 | 0.4 | 0.6 | 0.8 | 1.0 | 1.5 | 2.0 | |
| Crack depth(mm) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| 2nd group | Lengths on the tread(mm) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Width(mm) | 0.1 | 0.2 | 0.3 | 0.4 | 0.6 | 0.8 | 1.0 | 1.5 | 2.0 | |
| Crack depth(mm) | 0.35 | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.5 | 5 | 8 | |
| 3rd group | Lengths on the tread(mm) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 10 |
| Width(mm) | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
| Crack depth(mm) | 0.35 | 0.5 | 1.0 | 0.5 | 2.0 | 2.5 | 3.5 | 5 | 8 |