| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a cement hardened body which can maintain the efflorescence prevention function for the long term.SOLUTION: A method for producing a cement hardened body is characterized by mixing, molding, curing and hardening a compound comprising cement, water, aggregate, and paraffin hydrocarbon-containing material, and then warming the hardened body at 45°C-90°C for one hour or longer.SELECTED DRAWING: None |
