| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cement-based solidifying material composition which achieves resource conservation of cement and cost reduction and exhibits good sprayability, and a method for spraying the same. <P>SOLUTION: The cement-based solidifying material composition contains 14-22 pts.wt. of cement, 70-83 pts.wt. of crushed limestone sand as fine aggregate, and 3-10 pts.wt. of limestone fine powder having a particle size distribution in which frequency peaks are present in at least two positions of 5-20 μm and 50-200 μm, in such a way that the total amount becomes 100 pts.wt. <P>COPYRIGHT: (C)2012,JPO&INPIT |
