Grouted Cut-offs

By July 9, 2015 No Comments

Grouted groundwater cut-offs can be constructed by the installation of overlapping jet grout columns to an impermeable stratum or by the vibrated beam method. Vibrated beam cut-offs are installed by the repeated driving of a wide-flanged steel beam using a vibratory hammer, while simultaneously injecting cement-bentonite slurry through nozzles attached to the underside of the beam to form a thin curtain wall.

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