A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Evaluation of Asphaltic Concrete Modifiers to Reduce Rutting
The objective of the research project was to determine the effectiveness of asphaltic concrete modifiers with respect to increased stability of mixes with high quality aggregates and mixes with increased proportions of local sand. A 10,700 foot overlay test section was placed on the southbound outside lane and a 16,165 foot new construction test section was placed in the northbound outside lane of S.R. 300 in Thomas County, GA. in which quality aggregates were combined with lower quality local sand. The proportions of local sand in the Asphaltic Concrete 'F' surface mix were 20% and 30% and in the Asphaltic Concrete 'B' layer the proportion of local sand was 25%. Test sections were placed both with and without Chem-Krete CTI-102. The Chem-Krete was added for increased stability at a rate of 2%. The project evaluated the use of both local sand and the liquid additive Chem-Krete in an asphalt mixture. Sections with Chem-Krete and local sand showed better results than sections with local sand only with the exception of the deflections measured in May 1988.
Evaluation of Asphaltic Concrete Modifiers to Reduce Rutting
The objective of the research project was to determine the effectiveness of asphaltic concrete modifiers with respect to increased stability of mixes with high quality aggregates and mixes with increased proportions of local sand. A 10,700 foot overlay test section was placed on the southbound outside lane and a 16,165 foot new construction test section was placed in the northbound outside lane of S.R. 300 in Thomas County, GA. in which quality aggregates were combined with lower quality local sand. The proportions of local sand in the Asphaltic Concrete 'F' surface mix were 20% and 30% and in the Asphaltic Concrete 'B' layer the proportion of local sand was 25%. Test sections were placed both with and without Chem-Krete CTI-102. The Chem-Krete was added for increased stability at a rate of 2%. The project evaluated the use of both local sand and the liquid additive Chem-Krete in an asphalt mixture. Sections with Chem-Krete and local sand showed better results than sections with local sand only with the exception of the deflections measured in May 1988.
Evaluation of Asphaltic Concrete Modifiers to Reduce Rutting
B. E. Campbell (author)
1989
26 pages
Report
No indication
English
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