Method of forming a foundation with liquid tight joints

Details Method of forming a foundation with liquid tight joints Method of forming a foundation with liquid tight joints

1979-09-21

1983-01-04

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Chemical

E02D 510, E02D 2700

Patent

active

043670571

ABSTRACT:
A method of constructing an in-ground liquid barrier in separate sections with liquid tight joints between the sections. A barrier area is excavated and the sections formed therein, preferrably by initially filling the excavation with a liquid sealing slurry and sequentially displacing portions of the slurry with a liquid impermeable barrier material to form barrier sections which are mutually abutting along leaky interfaces. A bore is drilled between adjacent sections in a direction generally transverse to the direction of leakage, and filled with a liquid sealing material to seal the joint. The sealing material preferrably comprises a dry, hydro-expandable bentonite composition which expands to form a slurry sealant by permitting liquid to seep between the barrier sections into the bore and contact the bentonite therein.

REFERENCES:
patent: 2277286 (1942-03-01), Bechtner
patent: 3422627 (1969-01-01), Courte
patent: 3949560 (1976-04-01), Clem
patent: 3986365 (1976-10-01), Hughes
Volclay--Its use in Slurry Trenching and Diaphragm Wall Consruction Projects, American Colloid Co., 1971.

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