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Our areas of expertise

Geophysics and Measurements

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Investigation methods

Fondasol Geophysics uses a wide range of non-destructive methods which it chooses to suit the needs and context of each assignment.

Fondasol Géophysique Nice Crosshole 680R

Logging | Drilling measures

Gamma ray logging
Measurements of deviation and helical buckling in drill strings
Inclinometer and dilatometer measurements
Inter-borehole seismic, electrical or radar tomography
Borehole seismic surveys: crosshole, uphole, downhole, etc.; on foundation: PS method
Borehole camera
Dimensioning of cavities not accessible by borehole 3D laser

Geophysique Gravi Sous La Neige 680

Reconnaissance surveys & Measurements

Seismic reconnaissance surveys: marine and terrestrial seismic refraction; single-channel marine reflection
MASW measurements
Electrical, marine, terrestrial and borehole reconnaissance surveys
Ground penetrating radar and borehole reconnaissance surveys
Gravimetric reconnaissance surveys
Electromagnetic reconnaissance surveys using a near-field controlled source transmitter
Thermal resistivity measurement
Measurement of spontaneous or induced polarisation
Cavity dimensioning

Monitoring Géophy 2 680R

Monitoring | Tracking and surveillance

Setting up and monitoring of settlement cells
Setting up and monitoring of extensometer
Setting up and monitoring of interstitial pressure sensors
Monitoring of leaks in structures: measurements of spontaneous polarisation and resistivity
Drought issues: measurements of water content combined with weather records
Seismic: seismic monitoring on rock masses

Key figures

Fondasol Group in 2023

100 M€

revenues

850

fondasolers

75%

of the capital held by employees

35

sites worldwide