Impermeable wall construction

Details Impermeable wall construction Impermeable wall construction

E - Fixed Constructions

02

D

61/48, 61/4.5

E02D 3/12 (2006.01) E02D 5/18 (2006.01)

Patent

CA 1085633

ABSTRACT OF THE DISCLOSURE A method of constructing an impermeable wall in the ground having no joints is disclosed. The method overcomes the problems of forming an impermeable joint between a series of individually dug slots. The improvement includes excavating at least one portion of trench in the ground at a width and depth required for the wall, replacing excavated material from the trench with bentonite-water slurry, and after completing the excavation, replacing a predetermined amount of the bentonite- water slurry with cement. The cement is mixed with the remaining bentonite-water slurry in the one portion of trench to produce an evenly mixed cement-bentonite-water slurry. After this slurry has gelled, the above steps are repeated on adjacent portions of trench, and the completed trench then allowed to harden and form a single impermeable wall.

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