Develop and Demonstrate an Evaluation Process for Acceptance of Additives for Use in Forensic Analysis in Hot Mix Asphalt

Although additives, modifiers, and extenders are commonly used in hot mix asphalt (HMA) designs, a robust and structured laboratory evaluation process is needed to assess their impact on performance and minimize the risk of incorporating these materials in routine use. The research team will develop a framework to evaluate new products in the context of asphalt materials, leveraging insights from existing methodologies such as NCHRP 1-130. The study will assess asphalt binders and mixtures, considering material selection, laboratory performance, and field validation using test sections. The final deliverables will include a laboratory assessment framework, performance-based criteria, and a template for long-term monitoring of additives in HMA.

• Record URL:
  • https://library.ctr.utexas.edu/Presto/project=0-7243

Language

• English

Project

• Status: Active
• Funding: $823,229.00
• Contract Numbers:

  0-7243

• 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:

  Schwerdt, Tom

• Performing Organizations:

  Center for Transportation Research

  University of Texas, Austin
  Austin, TX  United States  78759

  Texas A&M Transportation Institute (TTI)

  400 Harvey Mitchell Parkway South
  Suite 300
  College Station, TX  United States  77845-4375
• Principal Investigators:

  Bhasin, Amit

• Start Date: 20260113
• Expected Completion Date: 20281231
• Actual Completion Date: 0

Subject/Index Terms

• TRT Terms: Acceptance; Additives; Asphalt mixtures; Binders; Field tests; Hot mix asphalt; Laboratory tests; Materials selection; Monitoring; Performance tests
• Subject Areas: Construction; Maintenance and Preservation; Materials;

Filing Info

• Accession Number: 01979268
• Record Type: Research project
• Source Agency: Texas Department of Transportation
• Contract Numbers: 0-7243
• Files: RIP, STATEDOT
• Created Date: Feb 10 2026 2:43PM