| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a concrete secondary product manufactured by using a concrete composition not containing cement. <P>SOLUTION: The concrete secondary product comprising materials containing a fine aggregate, a coarse aggregate, water, PFBC ash and fine blast furnace slag powders and not containing cement is manufactured by performing a step S10 of weighing materials, a step S20 of kneading, a step S30 of placing, a step S40 of compacting, a step S50 of steam curing and a step S60 of demolding. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
