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52550
  
  

  1
Jun
1978
Technical Reports
Summary Report-Ballast and Foundation Materials Research Program
Author
          M.R. Thompson, W.W. Hay, S.D. Tayabji

Subject
                    Track,
                    Tracks & Structures

**Keywords:** Ballast, Subgrade, Conventional Railway Track Support ystem, Finite Element Method, Ballast Cost
**Abstract:** This report constitutes a summary of the results of the various phases of the Ballast and Foundation Materials Research Program. Data and information obtained from the technical...
Report Number
              FRA/ORD-78/10

  Office
              RRD
    1
Jan
1977
Technical Reports
Materials Evaluation Study - Ballast and Foundation Materials Research Program
Author
          R. M. Knutson, M. R. Thompson, T. Mullin, S. D. Tayabji

Subject
                    Tracks & Structures,
                    Evaluation

**Keywords:** Subballast, Subgrade, Ballast Testing, Repeated Load Triaxial Testing, Thermal Regime Characterization, Conventional Railway Track Support System
**Abstract:** This report presents the results of Phase IV - Materials Evaluation Study, of the Ballast and Foundation Materials Research Program. Emphasis is on characterizing the response of...
Report Number
              FRA-OR&D-77-02

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