| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a concrete composition which uses no cement because PFBC ash and blast furnace slag fine powder are used in place of cement. <P>SOLUTION: The concrete composition contains fine aggregate, coarse aggregate, water and a binding material but does not contain cement. The binding material contains PFBC ash and blast furnace slag fine powder. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
