Inventory and map underground cavities

Your need
The security of your public domain is at the heart of your concerns and you want to make the best choices in terms of land use planning.

To do this, you are looking for effective solutions to identify the risks of collapse and propose prevention or remediation solutions, particularly to limit or reduce the vulnerability of people and property subject to the risks of ground collapse.
Cerema's response

Cerema supports you on these issues of ground movement and collapse by providing tailor-made, flexible and adapted solutions to your needs.

In this context, we intervene on:

• Definition of specific reconnaissance programs for the search for underground cavities;
• Elaboration of informative maps, characterization and hazard zoning;
• Diagnostics such as karstogenesis and its evolution factors, stability of underground quarries, ...;
• In-situ instrumentation for monitoring - telemetry;
• Elaboration of geomechanical models;
• Assistance and proposal of technical solutions (active and passive countermeasures);
• Dimensioning of reinforcements – Calculation of special foundations (shallow or deep) and treatment of…