Research Article
The Effect of Crumb Rubber Particle Size to the Optimum Binder Content for Open Graded Friction Course
Table 1
Parameter used in determining optimum binder content for open graded friction courses [
2,
7].
| | Authority | Air voids (%) | Abrasion loss (%) | Binder draindown (%) |
| | ASTM (USA) | ≥18 | ≤20 | ≤0.3 | | NCAT (USA) | ≥18 | ≤20 | ≤0.3 | | Virginia Department of Transport (USA) | ≥16 | ≤20 | ≤0.3 | | REAM (Malaysia) | 18%–25% | ≤15 | ≤0.3 | | Austroads (Australia) | 20%–25% | ≤20 | ≤0.3 |
|
|
