BALLAST'S PART: ITS KEY ROLES AND QUALITIES

The substructure of most track has three distinct components: ballast, subballast and subgrade. Each of these plays an important role in providing a stable support for the track superstructure: the rails, fasteners and ties. Understanding ballast requires knowing how it fits into the total substructure system. This is the first in a continuing series of RT&S articles that will review ballast topics. The focus of this first installment will cover functions of ballast compared to those of other substructure components; properties of ballast and their relationship to its functions; and ballast fouling.

  • Availability:
  • Corporate Authors:

    Simmons-Boardman Publishing Corporation

    345 Hudson Street
    New York, NY  United States  10014
  • Authors:
    • Selig, E T
  • Publication Date: 1998-3

Language

  • English

Media Info

  • Features: Figures; References;
  • Pagination: 6 p.
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00748898
  • Record Type: Publication
  • Files: TRIS
  • Created Date: May 13 1998 12:00AM