Method for stabilizing soil and for providing a backfill for...

Details Method for stabilizing soil and for providing a backfill for... Method for stabilizing soil and for providing a backfill for...

C - Chemistry, Metallurgy

09

K

31/22

C09K 17/00 (2006.01)

Patent

CA 1123185

METHOD FOR STABILIZING SOIL AND FOR PROVIDING A BACKFILL FOR GROUNDING MEMBERS Abstract Wet soil containing up to about 40% by wet weight of water is stabilized into a relatively dry, compactable soil mass for use as backfill in excavations by admixing lime and an alkali metal salt of a starch-polyacrylonitrile or starch-polymethacrylonitrile graft copolymer with the soil, allowing the resulting admixture to stand for a short period oF time to produce a relatively dry, compactable soil mass, and thereafter using the soil mass as backfill. The aforementioned graft copolymer can also be used as backfill around electrically conductive, grounding members by combining the graft copolymer with a binder or relatively water impervious material, such as a bentonite clay, and interposing the clay/graft copolymer mixture between the grounding member and the surrounding soil.

317822

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