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Analysis of Asphalt Mixtures Using Alternative Aggregate in SMA and Superpave [Research Summary]
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2024-08-01
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By Liu, Jenny
[PDF-410.04 KB]
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Abstract:Currently, most state highway agencies (SHAs), including Missouri Department of Transportation (MoDOT), require specific aggregates for Stone Matrix Asphalt (SMA) and high-level Hot Mix Asphalt (HMA) mixtures. Meanwhile, to reduce the cost and maintain mixtures’ durability, SHAs have been trying to identify locally available, cost-effective, and durable alternative coarse aggregates for SMA and high-level HMA mixes. In this study, a systematic analysis was conducted to identify alterative coarse aggregates that are locally available and durable for SMA and high-level Superpave HMA in MoDOT.
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