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Characterization of Modified Asphalt Binders in Superpave Mix Design.

PB2002102256

Publication Date	2001
Personal Author	Bahia, H. U.; Hanson, D. I.; Zeng, M.; Zgau, H.; Khatri, M. A.
Page Count	184
Abstract	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.
Keywords	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
Source Agency	National Academy of Science Transportation Research Board
NTIS Subject Category	50C - Construction Equipment, Materials, & Supplies 50A - Highway Engineering
Corporate Authors	Transportation Research Board, Washington, DC. National Cooperative Highway Research Program.; Wisconsin Univ., Madison. Dept. of Civil and Environmental Engineering.; National Center for Asphalt Technology, Auburn, AL.; American Association of State Highway and Transportation Officials,
Supplemental Notes	Library of Congress catalog card no. 2001-131980. Prepared in cooperation with Wisconsin Univ., Madison. Dept. of Civil and Environmental Engineering., National Center for Asphalt Technology, Auburn, AL. and American Association of State Highway and Transportation Officials, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200211

Characterization of Modified Asphalt Binders in Superpave Mix Design.

Characterization of Modified Asphalt Binders in Superpave Mix Design.
PB2002102256

Publication Date	2001
Personal Author	Bahia, H. U.; Hanson, D. I.; Zeng, M.; Zgau, H.; Khatri, M. A.
Page Count	184
Abstract	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.
Keywords	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
Source Agency	National Academy of Science Transportation Research Board
NTIS Subject Category	50C - Construction Equipment, Materials, & Supplies 50A - Highway Engineering
Corporate Authors	Transportation Research Board, Washington, DC. National Cooperative Highway Research Program.; Wisconsin Univ., Madison. Dept. of Civil and Environmental Engineering.; National Center for Asphalt Technology, Auburn, AL.; American Association of State Highway and Transportation Officials,
Supplemental Notes	Library of Congress catalog card no. 2001-131980. Prepared in cooperation with Wisconsin Univ., Madison. Dept. of Civil and Environmental Engineering., National Center for Asphalt Technology, Auburn, AL. and American Association of State Highway and Transportation Officials, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200211