- Article
Analysis of the Stressed State of Sand-Soil Using Ultrasound
- Lukas Benedikt Schumacher,
- Mykola Sysyn,
- Ulf Gerber and
- Szabolcs Fischer
The maintenance of the ballast substructure is an important cost-driver for railway systems. The problem is that today’s condition monitoring methods are insufficient to collect detailed data on the compaction and stress allocation inside the b...

