Superpave Technical Issues

Binder

• Guidance on AASHTO M320 Specification Limit for Rotational Viscosity (12 kb)
• Effects of Amine-Based Anti-Strip Additives on the Performance Grade of Asphalt Binders (57kb)
• Use of Solubility in Standard Specifications for Asphalt Binders (17 kb)
• Procedure for Resolving Differences in Asphalt Binder Testing  (220 kb)
• Binder ETG White Paper - PG Grade Selection - Adjusting T(high)For Traffic  (183 kb)
• All Users of Asphalt Products - Binder Specifications Change with Implementation of SHRP (65 kb)
• FHWA Binder ETG Low Temperature Task Force Final Report  (151 kb)
• Modified Binders and Superpave Plus Specifications (62 kb)
• Superpave Binders  (95 kb)
• AI Lab Corner - Determining a Critical Cracking Temperature for Asphalt Binders (130 kb)

Mix

• Asphalt Mix Curing at the Design Lab and at the Field Lab (405 kb)
• Making RAP Work In Superpave (185 kb)
• Ruggedness Evaluation of AASHTO TP7 and TP9: Phase 1 Indirect Tensile Strength Test (TP9) (174 kb)
• Ruggedness Evaluation of AASHTO TP7 and TP9: Phase 1 Simple Shear Test at Constant Height (TP7) (240 kb)
• Superpave Shear Tester Performance-Related Test for Austin Texas Project (115 kb)
• Superpave Shear Tester Performance-Related Test for Colorado IH-70 Project (110 kb)
• Superpave Shear Tester Performance-Related Test for Los Angeles County Alameda Corridor (185 kb)

Binder and Mix

• Establishing HMA Mixing and Compaction Temperatures at the Project Level (1.7 mb)
• Laboratory Mixing and Compaction Temperatures (210 kb)
• Summary of TRB A2D05 April 7-9, 2003 (105 kb)

Historical

• Observations of Field Experience with Superpave Projects Constructed in 1996 (326 kb)

Performance

• Superpave the Future of HMA Pavements (351 kb)
• Superpave in St. Louis County (545 kb)
• Utilization of Torture Tests as an Addendum to the Superpave Mix Design System (600 kb)
• A WesTrack Analysis (321 kb)
• What We Have Learned About Superpave (6.8 mb)