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Rutting performance of asphalt mixtures with gradations designed using Bailey and conventional Superpave methods

 

, Bara' W. Al-Mistarehi, Ahmed S. Al-Momani
Published in Elsevier
2020
Volume: 261
   
Pages: 1 - 13
Abstract

This research was conducted to study the possibility of using Bailey method of aggregate gradation in designing Superpave HMA mixtures, and study its effect on rutting performance of these mixtures, and comparing it with rutting performance for asphalt mixtures produced using Superpave gradations.

Four aggregate gradations were used in this research including coarse and fine gradations for Superpave and Bailey methods of gradation. Rutting performance was evaluated using the Simple Performance Tester (SPT). Results showed that rutting performance is strongly affected by aggregate gradation; finer mixtures give higher flow number, which means less rutting susceptibility and higher rutting resistant pavement.

About the journal
JournalConstruction and Building Materials
PublisherElsevier
Open AccessNo