C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/33
C09K 17/00 (2006.01) C09K 17/12 (2006.01) C09K 17/46 (2006.01)
Patent
CA 2001981
The invention relates to a method for improving the strength and impermeability of soils and engineering structures by forming a silicate gel. According to the invention one proceeds in such a way that - an alkaline water glass solution comprising water glass in an amount of 15-40 % by weight calculated as dry substance optionally together with one or more natural or synthetic oligomer and/or polymer in an amount not exceeding the dry substance content of the water glass solution, and - a silicic acid sol comprising SiO2 in an amount of 5-50 % by weight, preferably 10-45 % bg weight, calculated as dry substance in which 10-100 % by volume of the dispersion medium consists of a water-miscible organic liquid capable of reacting with an alkali while engineering of silicic acid are applied onto or into the soil or engineering structure to be treated, and the liquids applied are allowed to gellify.
Danko Andras
Gal Andras
Libor Oszkar
Nagy Gabor
Szekely Tamas
G. Ronald Bell & Associates
Sanipor Vertriebs Gmbh
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