| 摘要 |
PROBLEM TO BE SOLVED: To provide an underwater hardening body using steelmaking slag as a raw material, in which no problem is caused even when used as a substitute for underwater concrete. SOLUTION: A hardened body is produced by placing and hardening a raw material mix under water, wherein the raw material mix before the placing contains granular hot-metal-pretreatment slag and fine-powdery blast-furnace slag. In the raw material mix after the placing, particles of the granular hot- metal-pretreatment slag and particles of the fine-powdery blast-furnace slag are not separated from each other. |
