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Performance Measures Of Warm Asphalt Mixtures For Safe And Reliable Freight Transportation Phase Ii: Evaluation Of Friction And Raveling Characteristics Of Warm Mix Asphalt Mixtures With Anti-Stripping Agents, Hosin David Lee Ph.D., P.E., Yongjoo Thomas Kim Ph.D.
Performance Measures Of Warm Asphalt Mixtures For Safe And Reliable Freight Transportation Phase Ii: Evaluation Of Friction And Raveling Characteristics Of Warm Mix Asphalt Mixtures With Anti-Stripping Agents, Hosin David Lee Ph.D., P.E., Yongjoo Thomas Kim Ph.D.
Mid-America Transportation Center: Final Reports and Technical Briefs
The viscosity of asphalt decreased significantly when 0.5% of WMA additive was added,but it remained relatively steady as the dosage rate increased up to 3.0%. The reduction pattern in viscosity as the dosage rate increases was similar for both CECABASE RT® and LEADCAP at all test temperatures of 120°C,125°C, 130°C and 135 °C and a similar pattern was observed for both Sasobit® and Rediset. Based on the ABCD test device, the virgin asphalt binder PG 64-34 cracked at -51.0°C and the PG 64-28 cracked at -41.3°C. As the WMA additives were increased from 0.5%to 3.0%, the cracking temperatures increased slightly,but …