Ballast Aggregate
Description
Made from crushed stone, Ballast aggregate material is mainly used in the construction of rail tracks. Found below, between and around the rail sleepers or ties, it serves a number of purposes that include:
- Drainage of water around the tracks.
- Providing uniform support.
- Anchoring the track.
- Bearing and transmitting the load from the railroad ties.
- Preventing vegetation growth.
- Resisting aggregate degradation
- Minimising climatic influence
- Facilitating maintenance
- Resisting fouling
Features:
- Drainable
- Strong and hard wearing
- Stable
- Easy to clean
- Correct shape
- Low flakiness index