In a pilot project near a Swiss Railways platform in Fribourg, MeduSoil applied its biomineralization technology to stabilize an eroding sandstone slope.
The objective was to naturally strengthen the rock matrix through controlled calcification using minimally invasive injection and spraying methods.
The Solution: Biomineralization in Two Steps
- Subsurface Injection: 17 mm-diameter drills were used to inject the bio-binder and saturate the slope, identifying fissures and weak zones.
- Surface Percolation: Over 45 m², the solution was sprayed to promote additional mineralization.
All works were completed within a week. After one year, calcification was visible across the slope.
Results: From 5 kPa to 70 kPa Cohesion
| Zone | Cohesion (kPa) |
|---|---|
| Fully eroded sand | 5–9 |
| Weakly cemented zone | <20 |
| Bio-cemented zone | >70 |
Monitoring and Digital Tracking
Throughout design and monitoring, MeduSoil used an advanced GIS system and LiDAR scanning to detect surface movement and soil-mass loss with millimeter accuracy. This digital-terrain monitoring ensures traceability and long-term stability assessment.
For more information:
Learn more about our slope stabilization projects or explore our biomineralization product page.
Contact: nicolas@medusoil.com – Nicolas Hermant, Technical Sales Executive, 076 844 17 41
