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<p>Asphalt pavement is used extensively on highways today. However, these coatings are affected by environmental conditions and vehicle loads and thus complete their service life. Incorporating Recycled Asphalt Pavement (RAP) as a fine aggregate (0–4&#xa0;mm) in concrete, replacing crushed sand, reduces natural aggregate demand and energy consumption, promoting sustainability. This study investigates reinforcement corrosion behavior in concrete containing RAP and glass fiber (GF). RAP replaced natural aggregate at 0%, 30%, 60%, and 90%, while GF was added at 0.5, 1.0, and 1.5&#xa0;kg/m³. A water/cement ratio of 0.4 was maintained, and aggregates included 5–12&#xa0;mm crushed stone, 0–4&#xa0;mm crushed sand, and 0–4&#xa0;mm RAP. Ribbed reinforced concrete steel with a diameter of 8&#xa0;mm was used to investigate the corrosion behavior of reinforcement. Concrete mixtures underwent physical, mechanical, and reinforcement corrosion tests. As a result, the usability of RAP and the optimal replacement rate were determined to be 30%.</p>

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Investigation of the Reinforcement Corrosion Behavior of Fibrous Concrete Produced with Recycled Asphalt Pavement

  • 期刊论文

  • 发表日期：

    2026年8月4日

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  • Turhan Can Karci,
  • Behçet Dündar,
  • Emriye Çinar Resuloğullari

摘要

Asphalt pavement is used extensively on highways today. However, these coatings are affected by environmental conditions and vehicle loads and thus complete their service life. Incorporating Recycled Asphalt Pavement (RAP) as a fine aggregate (0–4 mm) in concrete, replacing crushed sand, reduces natural aggregate demand and energy consumption, promoting sustainability. This study investigates reinforcement corrosion behavior in concrete containing RAP and glass fiber (GF). RAP replaced natural aggregate at 0%, 30%, 60%, and 90%, while GF was added at 0.5, 1.0, and 1.5 kg/m³. A water/cement ratio of 0.4 was maintained, and aggregates included 5–12 mm crushed stone, 0–4 mm crushed sand, and 0–4 mm RAP. Ribbed reinforced concrete steel with a diameter of 8 mm was used to investigate the corrosion behavior of reinforcement. Concrete mixtures underwent physical, mechanical, and reinforcement corrosion tests. As a result, the usability of RAP and the optimal replacement rate were determined to be 30%.