Question

Do mix design using Superpave method with the following input data. This is due on Monday (12/03/2018). Design Binder Content Asphalt Content Trial Data 2 5.0 2.401 2. 5.5 2.491 2.608 1.03 6.0 2.505 2.580 1.03 6.5 2.520 2.560 1.03 o(6) 620 1.03 A(%) P (%) 4.4 2.688 126 4.4 2.688 130 116 4.4 2.688 125 114 4.4 2.688 131 hn (mm) hds (mm) Volumetric Analysis Asphalt Content Trial Computed Equatio 2 3 4 G. VTM (%) VMA (%) VFA (%) % Gmm, Nini 9.6 9.8 9.9 9.10 9.11 9.12 9.13 9.14 se Pba (%) Poe (96) D/B

Answer 1

In above images calculation for trial mix 1 is shown.The calculation for trial mix 2,3 and 4 can be calculated in exactly same way only input values will change.In below table calculated values are shown.

Computed Asphalt content trial

1 2 3 4

G_{se 2.851 2.863 2.854 2.854}

VTM 8.358 4.48 2.90 1.56

VMA 15.1 15.58 12.40 12.34

VFA 44.64 71.3 76.61 87.35

%Gmm, N_{ini 85.09 85.22 88.54 83.4}

P_{ba(%) 2.19 2.34 2.22 2.22}

P_be(%) 2.91 3.28 3.91 4.42

D/b 0.88 0.8 0.73 .677