Pyrotechnic diagnosis – Corbeil-Essonne (91)

Description :


Pyrotechnic diagnosis at the Corbeil SMGL site (mainline maintenance site). SNCF Mobilité has started geophysical reconnaissance in order to establish a pyrotechnic diagnosis for the zone concerned by works of an intrusive nature.




  • Non-intrusive surface diagnosis by georadar and 5 probes magnetometer: 10 anomalies detected needed verification
  • Pyrotechnic security of the foundation piles of the future hangar.




Location: Corbeil-Essonne SNCF station

Key figures: 228 well drilling for securing foundation piles have been completed