DESIGN REQUIREMENTS FOR DENSE BITUMEN MACADAM MARSHALL MIX DESIGN | ||
Property description | Mixture properties at 4 percent air voids | Specification Limits (Table: 4203/4 Gen. Spec.), (Table 8.5 Overseas Road Note 31) |
Binder Content, % | 4.5 | 4.5% (for bidding purposes) |
Marshall stability, N | 11,084 | Min. 9000 |
Marshall flow, 0.25 mm | 3.4 | 2 - 4 |
Voids in mineral aggregate (VMA), % | 15.3 | Min. 12.5 |
Voids filled with bitumen (VFB), % | 74.0 | 65 - 75 |