Tunnel wall drainage & protection Railway support Soil reinforcement Vibration damping
High performance drainage is a basic need for a long service life for tunnels.
Passage of train wheels on a railway track causes a dynamic vertical load on the sleepers and ballast.
When infrastructure is constructed on a weak sub-soil, measures need to be taken to increase the bearing capacity of this soil.
Traffic, and especially railway traffic causes vibrations that can disturb the environment.