A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The Superpave mix design system, devised in 1993 under the Strategic Highway Research Program, represented a major change in design and construction of asphalt mixtures. However, current pavement design procedures and models are based on the performance of older mixtures designed with the Marshall system. Therefore, it is critical to monitor the performance and material characteristics of Superpave project sections and to establish a database of observations so that design procedures and models can be updated. In addition to the changes in this material system, the adoption by the American Association of Highway and Transportation Officials (AASHTO) of a new standard for design, the Mechanistic- Empirical Pavement Design Guide, has created additional needs for field data to update design methodologies. This study by researchers from the University of Florida was a follow-up to a previous monitoring project conducted from 1999 to 2005. Researchers returned to the same twelve pavement sections used in that study to monitor the material properties and the field performance of Superpave asphalt. Goals included establishing reasonable and effective mixture design guidelines and criteria, identification and development of material property relations, and evaluation of ongoing national and Florida design model development efforts.
The Superpave mix design system, devised in 1993 under the Strategic Highway Research Program, represented a major change in design and construction of asphalt mixtures. However, current pavement design procedures and models are based on the performance of older mixtures designed with the Marshall system. Therefore, it is critical to monitor the performance and material characteristics of Superpave project sections and to establish a database of observations so that design procedures and models can be updated. In addition to the changes in this material system, the adoption by the American Association of Highway and Transportation Officials (AASHTO) of a new standard for design, the Mechanistic- Empirical Pavement Design Guide, has created additional needs for field data to update design methodologies. This study by researchers from the University of Florida was a follow-up to a previous monitoring project conducted from 1999 to 2005. Researchers returned to the same twelve pavement sections used in that study to monitor the material properties and the field performance of Superpave asphalt. Goals included establishing reasonable and effective mixture design guidelines and criteria, identification and development of material property relations, and evaluation of ongoing national and Florida design model development efforts.
Continuation of Superpave Projects Monitoring, Summary Report
R. Roque (author)
2011
1 pages
Report
No indication
English
Highway Engineering , Construction Equipment, Materials, & Supplies , Pavements , Mixture characteristics , Component properties , Roads , Construction materials , Criteria , Guidelines , Material properties , Field performance , Florida , Superpave mix design , Material property relations , Dominant Aggregate Size Range-Interstitial Component (DASR-IC) parameters , Performance prediction models
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