Railroad tracks are made of three parts: the long steel rails that the trains run on, railway ties and track ballast - which is the gravel in between the tracks. The machine uses a tie changer ...

Lack of proper attention to ballast quantity, quality, and drainage can result in major track problems. Explore different methodologies for facing these challenges: Join Railway Track & Structures on ...

On the high-speed line LGV Sud-Est (Ligne à grande vitesse Sud-Est) between Paris and Lyon renewal of the entire ballast bed has been carried out since 2009. Plasser & Theurer machines have been ...

Expensive, disruptive and frequent maintenance is often required on railway track that ... was carried out by British Rail and clearly demonstrated it: Tensar geogrids can help extend maintenance ...