In designing a bituminous mixture for a highway surface course to support the traffic loading, data...

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In designing a bituminous mixture for a highway surface course to support the traffic loading, data in table below obtained using Marshall method. Determine the optimum asphalt content for 4% VTM? Asphalt content % 5 5.5 6 6.5 7 7.5 Stability Flow (N) (mm) VTM VMA VFA Test Property Marshall stability (KN) Flow VTM water 2530 11 8.2 18.3 55.2 1167.8 650.7 1169 2620 12 7.5 18.2 59.2 1166.4 652.4 1167.5 2770 13 5.8 18.1 68 1170.4 656.7 1171 2810 12.5 4.7 18.3 74.3 1174.2 661.6 1174.7 2780 14 3.7 18.6 80.1 1177.5 663 1177.9 2540 15 3.1 19.4 84 1181.9 663.3 1182.3 Project Specification VFA Weight of specimen (g) Weight in VMA Dry Weight Specification Minimum 7000 N 8-16 in 3-5% 70-80 SSD weight Minimum 14% In designing a bituminous mixture for a highway surface course to support the traffic loading, data in table below obtained using Marshall method. Determine the optimum asphalt content for 4% VTM? Asphalt content % 5 5.5 6 6.5 7 7.5 Stability Flow (N) (mm) VTM VMA VFA Test Property Marshall stability (KN) Flow VTM water 2530 11 8.2 18.3 55.2 1167.8 650.7 1169 2620 12 7.5 18.2 59.2 1166.4 652.4 1167.5 2770 13 5.8 18.1 68 1170.4 656.7 1171 2810 12.5 4.7 18.3 74.3 1174.2 661.6 1174.7 2780 14 3.7 18.6 80.1 1177.5 663 1177.9 2540 15 3.1 19.4 84 1181.9 663.3 1182.3 Project Specification VFA Weight of specimen (g) Weight in VMA Dry Weight Specification Minimum 7000 N 8-16 in 3-5% 70-80 SSD weight Minimum 14%

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Based on the data and specifications provided in the image we are looking to find the optimum asphalt content for a specified 4 Voids in Total Mix VTM ... View the full answer