Asphalt Pavement Performance Evaluation

Asphalt pavement performance evaluation examines how road surfaces behave under repeated traffic loading, temperature swings, and aging, with a particular focus on the chemical and mechanical properties of bitumen — the petroleum-derived binder that holds pavement together. Researchers modify bitumen using polymers, nanomaterials, and rejuvenators to extend pavement life, reduce cracking, and enable the safe incorporation of recycled materials like reclaimed asphalt, all of which requires precise characterization of rheological behavior, meaning how the material flows and deforms under stress. A central open question is how to balance durability and sustainability: warm mix technologies lower production temperatures and cut emissions, but their long-term performance relative to conventional hot mix remains an active area of investigation. Life cycle assessment is increasingly integrated into this work to weigh the environmental cost of new additives against the gains in pavement longevity.

Works

109,793

Total citations

1,028,839

Keywords

AsphaltBitumen ModificationRheologyRecycled MaterialsPolymer ModificationWarm Mix