| 摘要 |
<p>The invention relates to a process for producing an active fine aggregate, i.e. an active filler, for the preparation of concrete. In the process are ground pozzolanic substances, practically silica, together with inactive and/or weakly active components, as lump slag, which makes it possible to have the silica in the filler in very small particles activating the surfaces of the other components to react easily with the calcium hydroxide.</p> |
