CSM (Cutter Soil Mixing) technology consists in the creation of a waterproof plastic barrier made up of a series of interlaced panels obtained by mixing the in situ soil with a mixture of water, cement and bentonite (CSM method). This processing is generally remediation interventions that consist in the realization of a barrier to the fence aimed at the interruption of the migration of the pollutants it carried. Particularly used as a preconsolidation work of excavations.