Gradation Design and Performance Evaluation of High Viscosity Asphalt Mixtures

Figure 3

The determination steps of optimum asphalt content or optimum asphalt-aggregate ratio and volumetric parameters of Three asphalt mixtures during the mixture preparation. (a) Bulk density of trial NRA modified asphalt mixtures with the gradation LASTIKA-13. (b) Voids in the mineral aggregate (VMA) of trial NRA modified asphalt mixtures with the gradation LASTIKA-13. (c) Voids filled with asphalt (VFA) of trial NRA modified asphalt mixtures with the gradation LASTIKA-13. (d) Maximum theoretical density of trial NRA modified asphalt mixtures with the gradation LASTIKA-13. (e) Volume of air voids of trial NRA modified asphalt mixtures with the gradation LASTIKA-13. (f) Marshall stability of trial NRA modified asphalt mixtures with the gradation LASTIKA-13. (g) Flow value of trial NRA modified asphalt mixtures with the gradation LASTIKA-13. (h) Summary of trial asphalt mixtures: AC-13-I, AC-13-II, and LASTIKA-13.

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