Load and Resistance Factors for Earth Pressures on Bridge Substructures and Retaining Walls

The objective of the research is to develop recommended load and resistance factors for foundations and retaining walls for possible inclusion in the AASHTO LRFD Bridge Design Specifications. Lateral, vertical, and surcharge earth loads are to be investigated.


  • English


  • Status: Completed
  • Contract Numbers:

    Project 12-55

  • Sponsor Organizations:

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  USA  20590

    American Association of State Highway & Transportation Officials

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

    National Cooperative Highway Research Program

    Transportation Research Board
    500 Fifth Street, NW
    Washington, DC  USA  20001
  • Project Managers:

    Beal, David

  • Performing Organizations:

    D'Appolonia Ground Technology Incorporated

    275 Center Road
    Monroeville, PA  USA  15146-1541
  • Principal Investigators:

    Withiam, James

  • Start Date: 20010417
  • Actual Completion Date: 20040114
  • Source Data: RiP Project 5708

Subject/Index Terms

Filing Info

  • Accession Number: 01459507
  • Record Type: Research project
  • Source Agency: National Cooperative Highway Research Program
  • Contract Numbers: Project 12-55
  • Files: RiP, USDOT
  • Created Date: Jan 3 2013 1:05PM