| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a concrete product which is good in strength revelation in spite of using more refuse originating material even in the case of being subjected to the steam aging. <P>SOLUTION: The concrete product is manufactured by forming a mixture of a hydraulic composition, composed of a crushed material of a fired matter manufactured from at least≥one between refuse incinerated ash and sludge incinerated ash as a raw material, an aggregate, a part of or whole of which is made by refuse originating material, and a composition containing water, then hardened by steam aging. <P>COPYRIGHT: (C)2003,JPO</p> |
