| 摘要 |
PURPOSE:To obtain a high-performance grout for improving soil having excellent penetration into cracks of base rock and fine gaps of the ground of sand. CONSTITUTION:This grout for improving soil comprises a composition consisting of a mixture obtained by blending and grinding Portland cement clinker with blast furnace slag, having 6,000-12,500cm<2>/g Blaine specific surface area and gypsum or a blended and ground composition of Portland cement clinker with blast furnace slag and gypsum, having 6,000-12,500cm<2>/g Blaine specific surface area, has 60-85wt.% blast furnace slag content in the composition and 0.5-3.0wt.% gypsum content based on SO3. |
