| 摘要 |
PROBLEM TO BE SOLVED: To provide a premix type high viscous PC grout that has an excellent filling property and strength, a long service life, is free from bleeding, and shows a reduced self-contraction. SOLUTION: The premix type high viscous PC grout consists of 100 part in weight of cement, 5-9 part in weight of an expansive admixture, 23-27 part in weight of calcium carbonate, 1.0-1.5 part in weight of a high-capacity water- reducing agent, 0.32-0.35 part in weight of a thickener, and 0.05-0.15 part in weight of a retarder. The grout is mixable with 50-60 part in weight of water. Preferably the thickener is a cellulosic polymer. |
