2.36 55 - 75 40 - 48 41 - 53 41 - 53 33 - 41 1.18 38 - 57 25 - 32 29 - 39 29 - 39 22 - 32 0.600 26 - 43 18 - 24 19 27 19 27 15 - 23 – – 0.300 15 - 28 12 - 17 12 20 12 - 20 10 - 18 – 0.150 8 - 18 8 - 12 7 12 7 12 6 - 11 – – 0.075 4 - 11 3 - 5 3 - 7 3 - 7 2 - 5 Binder Content 6.0% 5.4% Minimum 5.0% Minimum 4.7% (by percentage 0.3% 0.3% (Class 320 5.0% 0.3% mass of (Class 170 (Class 170 Bitumen) NOTE (A15E) NOTE 320 Bitumen) mixture) Bitumen) Bitumen) 1 1 Hydrated Lime 1.5% 1.5% 1.5% 1.5% 1.5% (by percentage mass of total aggregate) Note 1: the bitumen content shall be adjusted to produce air voids and VMA complying with the limits shown in Table 504.B1 but shall not be lower than the minimum bitumen content. TABLE 504.B3 MARSHALL PROPERTIES OPEN GRADED ASPHALT (75 BLOW COMPACTION) Values used as the basis of Mix Assessment Parameter Min Max Marshall Stability 4kN Marshall Flow 2.00mm 4.00mm Air (WA 733.2) 16.0% 21.0% 504.B4 OPEN GRADED ASPHALT MIX DETAILS Particle Size Distribution % Passing by Mass AS Sieve Size mm 10mm Granite Open Graded Asphalt 13.20 100 9.50 90 100 –
2.36 55 - 75 40 - 48 41 - 53 41 - 53 33 - 41 1.18 38 - 57 25 - 32 29 - 39 29 - 39 22 - 32 0.600 26 - 43 18 - 24 19 – 27 19 – 27 15 - 23 0.300 15 - 28 12 - 17 12 – 20 12 - 20 10 - 18 0.150 8 - 18 8 - 12 7 – 12 7 – 12 6 - 11 0.075 4 - 11 3 - 5 3 - 7 3 - 7 2 - 5 Binder Content (by percentage mass of mixture) 6.0% 0.3% (Class 170 Bitumen) 5.4% 0.3% (Class 170 Bitumen) Minimum 5.0% (Class 320 Bitumen) NOTE 1 Minimum 5.0% (A15E) NOTE 1 4.7% 0.3% 320 Bitumen) Hydrated Lime (by percentage mass of total aggregate) 1.5% 1.5% 1.5% 1.5% 1.5% Note 1: the bitumen content shall be adjusted to produce air voids and VMA complying with the limits shown in Table 504.B1 but shall not be lower than the minimum bitumen content. TABLE 504.B3 MARSHALL PROPERTIES OPEN GRADED ASPHALT (75 BLOW COMPACTION) Values used as the basis of Mix Assessment Parameter Min Max Marshall Stability 4kN Marshall Flow 2.00mm 4.00mm Air (WA 733.2) 16.0% 21.0% 504.B4 OPEN GRADED ASPHALT MIX DETAILS Particle Size Distribution % Passing by Mass AS Sieve Size mm 10mm Granite Open Graded Asphalt 13.20 100 9.50 90 – 100
Specification%20504%20Asphalt%20Wearing%20Course%2022%20May%202017.RCN-D17^23396010.DOCX