Method of rendering soils impervious and products for carrying o

Details Method of rendering soils impervious and products for carrying o Method of rendering soils impervious and products for carrying o

1990-04-12

1991-05-21

Chaudhuri, Olik

Compositions: coating or plastic

Coating or plastic compositions

Alkali metal silicate containing

106633, 405263, 405266, 405270, C09K 1700

Patent

active

050172336

ABSTRACT:
The invention relates to a method of rendering a soil or another material like a mortar, a binder, or a concrete impervious by injecting it with a silica solution. A finely ground powdered compound containing calcium with a solubility in water of between approximately 0.01 g/l and approximately 2 g/l is mixed into the silica solution, which has a ratio of SiO.sub.2 to Na.sub.2 O of between 1 and 1.3, before injection.

REFERENCES:
patent: 4208216 (1980-06-01), Yamaguchi et al.
patent: 4466831 (1984-08-01), Murphey
patent: 4597796 (1986-07-01), Ernst et al.
patent: 4600514 (1986-07-01), Conner
patent: 4762443 (1988-08-01), Gouvenot
Chemical Abstracts 72 (2): 5981s, 103(12): 92157s; 95 (12): 102105s.
APS Abstracts of JP 56-152886; JP 55-78083.

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