In the Beginning… There is the Earth
The subsoil at Le Grand Lucé provided cut stone (Turonian chalk) for building its château in the 18th century.
Certain extraction galleries dug at that time are now collapsing, the pillars having been weakened by excessive moisture in the subsoil.
Diagnosis and then project management for designing and performing reinforcement of the galleries by jet grouting injections or filling with sand/cement.
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