| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a cement hardened body, with which a cement hardened body that achieves practical strength can be obtained in a relatively short time at a low cost, while maintaining fluidity for a relatively long time. <P>SOLUTION: The method for manufacturing a cement hardened body includes adding water to the mixture of a Portland cement and a polycarboxylic acid-based admixture, kneading those, and adding lithium sulfate within 30-120 min after adding the water. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
