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