Specialized Workshop
October 18, 2008
1:00 pm - 6:00 pm
Lecturer
Prithvi (Ken) Kandhal, P.E.
Consulting Engineer
Email: pkandhal@eng.auburn.edu
Opening Remarks
1:00 pm, Introduction and Conventional Asphalt Binder Tests
- Uses of asphalt binders, cutback asphalts and emulsions (manufacture, types, and grades)
- Conventional asphalt binder tests such as penetration, viscosity, softening point and ductility
3:00 pm, Grading System for Asphalt Binders
- Evolution of asphalt binder grading system from penetration to viscosity to Superpave grading
3:30 pm, Coffee Break
4:00 pm, Superpave Asphalt Binder Tests and PG Grading System
- Rationale of Superpave performance grading (PG) system
- Superpave binder tests such as rotational viscometer, dynamic shear rheometer, bending beam rheometer, and direct tension tester
- Binder aging methods
- PG grade specification and selection of PG grades
5:00 pm, Polymer Modified Asphalt Binder
- Different types of polymer modified asphalt binders including those containing elastomers and plastomers
5:30 pm, Q & A
5:45 pm, Closing Remarks
Introduction of Prof. Prithvi S. Kandhal:
Prof. Prithvi Kandhal is currently Associate Director Emeritus of the National Center for Asphalt Technology (NCAT) at Auburn University, Alabama, USA. Prior to joining NCAT in 1988, Prof. Kandhal served as Chief Asphalt Engineer of the Pennsylvania Department of Transportation for 17 years. He has served as Chairman of the US Transportation Research Board (TRB) Committee on Bituminous Mixtures for six years and Chairman of ASTM Committee D04 on Road and Paving Materials, which is responsible for over 200 standards used worldwide. He is also past President of the Association of Asphalt Paving Technologists (AAPT), which has members in all continents of the world. Prof. Kandhal has published over 120 papers in the area of asphalt paving technology. He also co-authored the first-ever textbook on hot mix asphalt technology, which is being used in over 25 universities in the US.
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