railway ballast typical

  • What is Ballast | Railway Ballast | Functions of Ballast ...

    What is Ballast. Railway Ballast is the foundation of railway track and provide just below the sleepers. The loads from the wheels of trains ultimately come on the ballast through rails and sleepers.

  • Geotechnical properties of ballast and the role of ...

    The experimental programme on railway ballast based on large-scale triaxial testing 92 B. Indraratna et al. (Jeffs and Marich, 1987; Indraratna et al., 1998) It has been shown that the higher the specific gravity of the parent rock, the greater the holding capacity of the ballast and the lower