Process of forming a continuous wall in the ground

Details Process of forming a continuous wall in the ground Process of forming a continuous wall in the ground

E - Fixed Constructions

02

D

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E02D 27/00 (2006.01) E02D 5/20 (2006.01) E02D 27/30 (2006.01)

Patent

CA 1185441

A B S T R A C T A method of constructing an impermeable wall in the ground is disclosed. The method utilizes prefabricated panels and does not require the same thickness of wall as normally has to be cast in a trench. The method comprises the steps of excavating a trench having a defined width, replacing excavated material with bentonite water slurry, placing interlocking, prefabricated concrete panels in the trench, the panels having a thickness less than the width of the trench, one side of the panels resting against one side of the trench, placing guides in the trench between the other side of the panels and the other side of the trench to hold the panels upright and against the one side of the trench, pouring concrete by tremie pipe in the bottom of the trench for a predetermined height replacing some of the bentonite water slurry, grouting joints between adjacent panels to ensure a waterproof seal, after the concrete and grouting has hardened, back filling remainder of the trench with selected material replacing most of the remaining bentonite water slurry and mixing with a small amount of the slurry, and packing the selected material well down to form an impermeable wall.

436438

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