C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
72/145, 117/7
C04B 28/26 (2006.01) C04B 14/04 (2006.01) C04B 14/06 (2006.01) C04B 41/52 (2006.01) C04B 41/70 (2006.01) C23F 11/00 (2006.01) E04C 5/01 (2006.01) E04G 23/02 (2006.01) E04G 23/06 (2006.01)
Patent
CA 1269568
ABSTRACT For the repair of near-surface layers of buildings reinforced with constructional steel the corroded constructional steel is laid bare, treated with a solution of a modified alkali silicate with a Me2O: SiO2 ratio of 1:2 to 1:3 and covered with a mortar containing 2 to 6% by weight relative to the amount of cement of a finely composed amorphous silicic acid with at least 90% by weight SiO2 or finely composed, precipitated, active silicates of magnesium, calcium, barium or aluminum with a BET surface of 50 to 200 m2/g and a d50% value below 20 µm.
547082
Jaklin Hans
Johnson Douglas S. Q.c.
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