Compensation grouting (for ground improvement)
soletanche bachy
saturated sandy silty or clayey soils. The process consists
in injecting a viscous mortar under pressure, in a specific
grid pattern designed in accordance with the ground
conditions and required improvement. The process is
designed in such a way as to provide horizontal densification.
The technique has a proven efficiency, is economical and
flexible, allowing among other results to reduce liquefaction
sensitivity in case of earthquakes. It can also be
used under existing buildings, unlike other techniques
