| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a grouting mortar for ultra-high strength prepacked concrete capable of ensuring packing property in execution of application and having sufficient durability. SOLUTION: This grouting mortar composition for prepacked concrete is characterized by comprising at least cement, a pozzolan-based fine powder containing a silica compound, fine aggregate, water and a water-reducing agent and keeping a weight ratio (water/binder ratio) of water to sum (binder component) of the cement and the pozzolanic fine powder in >=15 pts.wt.</p> |
