Effect of High Recycled Aggregate Content in Hot Mix Asphalt on Volumetric and Skid Resistance Characteristics

Sigit Pranowo Hadiwardoyo, R. Jachrizal Sumabrata, Riana Herlina Lumingkewas, Tommy Iduwin, Hermon Frederik Tambunan, Silvanus Nohan Rudrokasworo, Primetta Tatiana, Aditya Fadhel, Zahran Athalla

Research output: Contribution to journalArticlepeer-review


Friction between vehicle wheels and the road surface is influenced by the performance of the asphalt mixture that forms the road surface. New road construction and maintenance programs require pavement materials that come from natural sources. Efficiency in using materials to preserve the environment can be achieved by recycling. The road surface layer can be recycled 50-60% so that old material can still be utilized by adding new aggregate at a certain gradation size. This research shows the performance of recycled Hot-mix Asphalt (HMA), which consists of a mixture of 50% recycled asphalt and a mixture of 50% recycled asphalt + 27% recycled cement concrete aggregate, compared to the new material HMA mixture. The aggregate recycled asphalt mixture of 77% and WEO utilization of 15% still show skid resistance performance close to that of the new aggregate asphalt mixture. This research shows that using large amounts of waste aggregate and waste engine oil can reduce the use of new materials on road pavement.

Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalCivil Engineering and Architecture
Issue number1
Publication statusPublished - Jan 2024


  • Green Environment
  • Hot-Mix Asphalt
  • Pavement
  • Recycle Material
  • Skid Resistance


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