By Thomas D. White, Sam R. Johnson, John J. Tzenas, John J. Yzenas
STP 1412 specializes in the impact of mixture homes on HMA functionality and covers quite a lot of combination features. worthy info is gifted on functionality of HMA designed with Superpave protocols and standards for either combos and aggregates.12 papers handle: mixture sprucing as a security drawback Contribution of the mineral mixture parts to rutting resistance Superpave coarse and high-quality gradations Validity of the limited region greatest mixture sizes quantity of dirt, particle form, and coarse and high-quality combination particle angularity. This booklet is a helpful source for everybody within the paving that produces, specifies, and makes use of aggregates.
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Additional info for Aggregate Contribution to Hot Mix Asphalt (HMA) Performance (ASTM special technical publication, 1412)
Ashmore, S. , and Mitchell, T. , "WesTrack Full-Scale Test Track: Interim Findings," Journal of the Association of Asphalt Paving Technologists, 1998, Vol. 67, pp. 738-782.  Asphalt Institute, Performance Graded Asphalt Binder Specification and Testing, Superpave Series (SP-1), 1997, Asphalt Institute, Lexington, Kentucky. , Anderson, R. , Kennedy, T. , Superpave Asphalt Mixture Design and Analysis, National Asphalt Training Center Demonstration Project 101, 1994, Asphalt Institute, Lexington, Kentucky, and Federal Highway Administration, Washington, D.
Correlation Between Axial Creep Slope and G*/sind of Original and RTFO Aged Binders Table 5. R2 Valuesfor the Regressions between the Binder Stiffness (G*/sind at 64 ~ vs. 255 ,J 28 AGGREGATECONTRIBUTIONTO HOT MIX ASPHALT (HMA) PERFORMANCE Summary and conclusions The sensitivity of the Asphalt Pavement Analyzer in characterizing HMA mixtures with different aggregates and binder types was evaluated using a 19-mm Superpave mix. In general, the Asphalt Pavement Analyzer was found to be sensitive to those factors.
In all cases increasing AC lead to increased rutting, regardless of the design AC. Some mixtures were more sensitive to deviations from the design AC than others. Due to limited data, it was not feasible to analyze the effect of aggregate properties on the mixture sensitivity to deviations from the design AC. Review of Figures 3 and 4 reveals that the APT test was sensitive to initial in-place density and AC level. Therefore, it is reasonable to conclude that the APT test can be effectively used to evaluate rutting performance.
Aggregate Contribution to Hot Mix Asphalt (HMA) Performance (ASTM special technical publication, 1412) by Thomas D. White, Sam R. Johnson, John J. Tzenas, John J. Yzenas