A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Characterization of Modified Asphalt Binders in Superpave Mix Design
This report documents and presents the results of a study of the applicability of the Superpave (trademark) specification and protocols developed for asphalt cements to modified asphalt binders. A survey of users and suppliers of modified binders indicated the existence of a wide variety of modifiers that are used either routinely or on an experimental basis to produce PG grades. The survey also indicated that a majority of state agencies intended to increase the future use of modified binders. However, serious concerns remain about the lack of knowledge about how modified binders affect performance, as well as with issues related to storage stability, suitability of the Superpave aging procedures, and the lack of protocols to determine mixing and compaction temperatures.
Characterization of Modified Asphalt Binders in Superpave Mix Design
This report documents and presents the results of a study of the applicability of the Superpave (trademark) specification and protocols developed for asphalt cements to modified asphalt binders. A survey of users and suppliers of modified binders indicated the existence of a wide variety of modifiers that are used either routinely or on an experimental basis to produce PG grades. The survey also indicated that a majority of state agencies intended to increase the future use of modified binders. However, serious concerns remain about the lack of knowledge about how modified binders affect performance, as well as with issues related to storage stability, suitability of the Superpave aging procedures, and the lack of protocols to determine mixing and compaction temperatures.
Characterization of Modified Asphalt Binders in Superpave Mix Design
H. U. Bahia (author) / D. I. Hanson (author) / M. Zeng (author) / H. Zgau (author) / M. A. Khatri (author)
2001
184 pages
Report
No indication
English
Construction Equipment, Materials, & Supplies , Highway Engineering , Asphalts , Binders(Materials) , Pavements , Rutting , Concrete pavements , Performance , Aggregates , Test methods , Construction materials , Research projects , Trafficability , Specifications , Creep properties , Fatigue(Materials) , Strength(Mechanics) , Evaluation , Highways , Superpave mix design
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