Integrating the National Database of Subgrade Soil-Water Characteristic Curves and Soil Index Properties With the MEPDG

The objective of this research was to integrate an enhanced version of the GIS-enabled national database of soil index properties and soil-water characteristic curves developed in Project 9-23A with the MEPDG software. The project final report is available for download at Appendixes A-D are available on request to NCHRP. The database was provided to AASHTO for possible integration into Pavement ME Design.


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  • Status: Completed
  • Funding: $85000
  • Contract Numbers:

    Project 09-23B

  • Sponsor Organizations:

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590

    American Association of State Highway & Transportation Officials (AASHTO)

    444 North Capitol Street, NW, Suite 225
    Washington, DC  United States  20001

    National Cooperative Highway Research Program

    Transportation Research Board
    500 Fifth Street, NW
    Washington, DC  United States  20001
  • Performing Organizations:

    Arizona State University, Tempe

    Tempe, AZ  United States 
  • Principal Investigators:

    Zapata, Claudia

  • Start Date: 20100827
  • Expected Completion Date: 20120831
  • Actual Completion Date: 20120831
  • Source Data: RiP Project 38700

Subject/Index Terms

Filing Info

  • Accession Number: 01548223
  • Record Type: Research project
  • Source Agency: Transportation Research Board
  • Contract Numbers: Project 09-23B
  • Files: TRB, RiP
  • Created Date: Dec 19 2014 1:01AM