CRUSHED ROCK BALLAST 1220C Superseding Specification 1220B 1 1 SCOPE: This specification covers two classes of crushed rock ballast and one class of trowelling stone. Class 1 Crushed rock ballast for use primarily on main line track. Class 2 Crushed rock ballast for use only on other than main line track.
ballast stones crushing process diagram krvschoolin. line diagram for crusher plant stone crushing production line diagrams China Top Professional Stone Crushing Plant China Stone , Diagram of Building Stone Process Flow Production line of building stones (ballast crushing process or sandstone production line) mainly consists of jaw