| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cement-based mixed material for a mortar that is not an expensive material used to a special application to be limited, but is used to an application to be used in a large amount, and includes an admixture in which bleeding can be reduced at low cost.SOLUTION: Provided is a cement-based mixed material for a mortar that comprises mixing an admixture of 10-20 pts.wt. of limestone fine powder in which a Blaine specific surface area is at least 7,000 cm2/g to 100 pts.wt. of cement, water, and 200-400 pts.wt. of fine aggregate.</p> |
