Investigate the Effects of Using of Reclaimed Asphalt Pavement (RAP) as Aggregate in Seal Coats

The research team will develop recommendations and construction guidelines for using Reclaimed Asphalt Pavement (RAP) as aggregate in seal coats for pavement maintenance in Texas. Incorporating RAP in seal coats offers potential benefits, including cost savings, improved moisture resistance, and prolonged oxidation resistance. The research team will establish test methods, procedures and guidelines for evaluating RAP stockpiles, materials selection, material processing, application rate design, quality control and quality assurance during construction, laying the groundwork for statewide adoption. Given the lack of national guidance, a state-specific approach is essential to maximize performance and feasibility. The findings will provide the Texas Department of Transportation (TxDOT) with the technical basis to integrate RAP into seal coats effectively, leading to substantial cost savings and enhanced pavement sustainability.

• Record URL:
  • https://library.ctr.utexas.edu/Presto/project=0-7252

Language

• English

Project

• Status: Active
• Funding: $620,456.00
• Contract Numbers:

  0-7252

• Sponsor Organizations:

  Texas Department of Transportation

  125 E. 11th Street
  Austin, TX  United States  78701-2483
• Managing Organizations:

  Texas Department of Transportation

  125 E. 11th Street
  Austin, TX  United States  78701-2483
• Project Managers:

  Souraphath, Danny

• Performing Organizations:

  Texas A&M Transportation Institute

  Texas A&M University System
  3135 TAMU
  College Station, TX  United States  77843-3135

  Prairie View A&M University

  Department of Civil & Environmental Engineering
  P.O. Box 519
  Prairie View, TX  United States  77446
• Principal Investigators:

  Bierman, Carl

• Start Date: 20250911
• Expected Completion Date: 20280831
• Actual Completion Date: 0

Subject/Index Terms

• TRT Terms: Aggregates; Asphalt mixtures; Pavement maintenance; Paving; Reclaimed asphalt pavements; Seal coats
• Geographic Terms: Texas
• Subject Areas: Construction; Highways; Maintenance and Preservation; Materials; Pavements;

Filing Info

• Accession Number: 01967583
• Record Type: Research project
• Source Agency: Texas Department of Transportation
• Contract Numbers: 0-7252
• Files: RIP, STATEDOT
• Created Date: Sep 29 2025 4:22PM