GROUTING MATERIAL FOR RAILROAD

摘要

PROBLEM TO BE SOLVED: To provide a grouting material for railroads excellent in durability and freezing resistance and which is easily applied during the night in a short time. SOLUTION: This grouting material for railroads consists of 100 pts.wt. cement, 30-150 pts.wt. fast-setting admixture, 10-300 pts.wt. reemulsifying powder resin, 50-150 pts.wt. sand, 2-100 pts.wt. clay mineral and 50-300 pts.wt. siliceous powder, and bentonite is used as the clay mineral.