Structural model and materials evaluation procedures
Subtitle: Ballast and Foundation Materials Research Program
By: Q. L. Robnett ... [et al.].
Contributors: Robnett, Quentin L. 1943-; United States. Federal Railroad Administration. Office of Research and Development.; University of Illinois at Urbana-Champaign. Dept. of Civil Engineering.
Series: Report - Federal Railroad Administration ; no. FRA-OR&D-76-255; Report (National Institute of Standards and Technology (U.S.)) -- no. FRA-OR&D-76-255.
Publisher: Dept. of Transportation, Federal Railroad Administration, Office of Research and Development; for sale by the National Technical Information Service
Published: 1976
Place of publication: Washington; Springfield, Va
Language: eng
Number of pages: 83
Subjects: Ballast (Railroads); Railroad tracks -- Testing.
Notes: Cover title.

Prepared by the Transportation Research Laboratory, Dept. of Civil Engineering, University of Illinois at Urbana-Champaign under contract no. DOT-FR-30038.

Bibliography: p. 79-83.