Rutting Strain Index (RSI) Parameter for Asphalt Performance Engineered Mixture Design [tech brief]

Details

• Creators:
  Kim, Y. Richard ; Ghanbari, Amir ; Underwood, Shane
• Corporate Creators:
  North Carolina State University
• Contributors:
  Corrigan, Matthew
• Corporate Contributors:
  Turner-Fairbank Highway Research Center ; United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
• Subject/TRT Terms:
  • Rutting
  • Pavement performance
  • Asphalt mixtures
  • Deformation
  • Deformation curve
  • Performance Asphalt
  • Mixture design
  • Index parameter
  • Rutting strain index
  • RSI
  More +
• Publication/ Report Number:
  FHWA-HRT-21-044
• Resource Type:
  Brief
• Geographical Coverage:
  United States
• Corporate Publisher:
  United States. Federal Highway Administration. Office of Research, Development, and Technology
• Abstract:
  This Technical Brief provides an overview of how to determine the Rutting Strain Index (RSI) parameter using the stress sweep rutting (SSR) test, the Asphalt Mixture Performance Tester (AMPT), and the FlexMAT™ for Rutting analysis tool. It also presents index threshold values for use in asphalt mixture design and construction.
• Format:
  PDF
• Funding:
  DTFH61-13-C-00025
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/56407/dot_56407_DS1.pdf
• File Type:
  [PDF - 244.42 KB]
• Collection(s):
  Federal Highway Administration
• Main Document Checksum:
  urn:sha-512:4c7fd22a6b2d3c00ce493ba13dd8fec50c0c084ac979c5672bb89fc706cfc6b29b98fba1366d13eb2b3538b76120a9199a95db3084e4f31e6bdefe1886717d7e