E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/48
E02D 3/12 (2006.01) E02D 5/18 (2006.01)
Patent
CA 1112466
Abstract of the Disclosure A method of constructing an in-ground liquid barrier in separate sections with liquid tight joints between the sections, and the barrier formed thereby. A barrier area is excavated and the sections formed therein, preferably 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 preferably 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.
310813
Hughes John
Rasbach Heinz
American Colloid Company
Smart & Biggar
LandOfFree
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