| 摘要 |
FIELD: manufacture of building materials; protection of concrete surfaces in industrial and civil construction engineering. ^ SUBSTANCE: proposed raw material mix contains cement, sand, complex additive and water; it additionally contains montmorillonite clay at specific surface Ssp. no less than 150 m2/kg; complex additive contains at specific surface Ssp. equal to 2000 m2/kg, additive TSMID-4; 20-% solution of ortho-silicic acid sol at pH of 3-4 at the following ratio of components, mass-%: cement, 23.00-28.81; sand, 59.00-64.00; montmorillonite clay at specific surface of Ssp. no less than 150 m2/kg, 0.69-0.83; micro-silica at specific surface Ssp. equal to 2000 m2/kg, 1.16-1.30; additive TSMID-4, 0.19-0.22; 20-% solution of ortho-silicic acid sol at pH of 3-4, 0.14-0.17; water, 10.01-10.48. ^ EFFECT: enhanced compressive strength, adhesion strength and water-tightness. ^ 1 tbl, 1 ex |
