A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Integrated Asphalt (Overlay) Mixture Design, Balancing Rutting and Cracking Requirements
The focus of this project is to develop an integrated hot-mix asphalt (HMA) mixture design method which balances both rutting and cracking requirements. The Hamburg Wheel Tracking Test (HWTT) and Overlay Tester (OT) devices were used to evaluate the rutting and cracking resistance of HMA mixtures, respectively. Eleven mixtures commonly used in Texas were designed following the current Texas Department of Transportation (TxDOT) mixture design process and then evaluated under the HWTT and the OT. It was found that the Dense-Graded and Superpave mixtures designed following current TxDOT mixture design procedures were rut resistant, but generally not crack resistant. However, all three Stone-Matrix Asphalt (SMA) mixtures were both rut and crack resistant. These observations are consistent with the past experience and field performance.
Integrated Asphalt (Overlay) Mixture Design, Balancing Rutting and Cracking Requirements
The focus of this project is to develop an integrated hot-mix asphalt (HMA) mixture design method which balances both rutting and cracking requirements. The Hamburg Wheel Tracking Test (HWTT) and Overlay Tester (OT) devices were used to evaluate the rutting and cracking resistance of HMA mixtures, respectively. Eleven mixtures commonly used in Texas were designed following the current Texas Department of Transportation (TxDOT) mixture design process and then evaluated under the HWTT and the OT. It was found that the Dense-Graded and Superpave mixtures designed following current TxDOT mixture design procedures were rut resistant, but generally not crack resistant. However, all three Stone-Matrix Asphalt (SMA) mixtures were both rut and crack resistant. These observations are consistent with the past experience and field performance.
Integrated Asphalt (Overlay) Mixture Design, Balancing Rutting and Cracking Requirements
F. Zhou (author) / S. Hu (author) / T. Scullion (author)
2006
162 pages
Report
No indication
English
Construction Equipment, Materials, & Supplies , Highway Engineering , Transportation & Traffic Planning , Transportation , Hamburg Wheel Tracking Test , Rutting , Hot mix paving mixtures , Cracking(Fracturing) , Pavement overlays , Aggregates , Tests , Texas , Stiffness , Flexible pavements , Field tests , Asphalt pavement mix design
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