Formation rehabilitation

Published on 16 April 2008

A self-propelled machine that digs out the deteriorated materials in the sub-ballast from under the track.

Highway drainage machine (train type "Puscal")

Highway drainage machine :

Self-propelled machine which, fixes the earthwork, under the track, of the elements which cause the depreciation of the capping layer and occurate, without raising the track:

- materials which will restore this capping layer;
- anti-contaminant textile mat;
- sand and gravel compacted;
- and possibly a gravel cement mixture, before the reconstitution of the ballasted layer.