摘要 |
PROBLEM TO BE SOLVED: To provide a mortar structure formation method with which resource saving and cost reduction of cement is achieved and which is excellent in workability.SOLUTION: In a mortar structure formation method in which mortar 4 is pumped to and placed on an installation surface N by using a force-feed pump 1, the mortar 4 prepared by adding water 3 to a mortar composition 2 formed by compounding 14-22 pts.wt. of cement, 70-83 pts.wt. of lime crushed sand as a fine aggregate, and 3-10 pts.wt. of limestone fine powder with a particle size distribution having peaks of frequency in at least two regions of 5-20 μm and 50-200 μm based on 100 pts.wt. of the sum total weight, is used. |