Soil freezing (for ground improvement)
Trevi S.p.A.
Ground freezing consists in freezing the water contained in the soil pores until turning it into ice. Then the ice acts as a cement or glue, binding together the particles surrounding the soil or the blocks of rock in order to increase their overall strength and make them impervious.
The soil is only temporarily frozen and this allows executing scheduled works under safety conditions. Said method is successfully applied in the construction of wells and tunnels, underground structures and waterproof diaphragm walls.
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