Test pavements were constructed in four districts in the mid-1980s to assess the effectiveness of asphalt additives in reducing cracking and rutting in asphalt concrete pavements. Field trails were built in Districts 1, 2, 19, and 21 and their performance has been evaluated. Ride quality of all pavements has proven approximately equivalent and satisfactory. Some pavements exhibit cracking at the surface. EVA modified and control pavements have shown the most cracking. Polyethylene, SBS, SBR, and carbon black appear capable of reducing or delaying cracking in asphalt pavements.
Effect of Asphalt Additives on Pavement Performance
1993
80 pages
Report
No indication
English
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