GROUTING MORTAR Russian patent published in 2003 - IPC

FIELD: construction engineering, particularly, compositions of grouting mortars applicable mainly in carrying out of waterproofing and reinforcing operations of foundations and bases of building structures using drilling and injection methods. SUBSTANCE: grouting mortar contains cement, bentonite dry mud, hydrolyzed polyacrylamide, soda ash, sulfite-cellulose liquor and water, with the following amounts of components, wt.%: cement 38.70-44.10; bentonite dry mud 4.90-16.60; hydrolyzed polyacrylamide 0.80-1.00; soda ash 0.01-0.05; sulfite-cellulose liquor 0.06-0.07; the balance, water. EFFECT: extended nomenclature of grouting mortars designed for waterproofing and reinforcing of foundations and bases of building structures with use of drilling and injection methods. 1 ex