| 摘要 |
<p>A road foundation compsn. comprises (i) at least 53 wt.% sand or gravel prepd. from electric furnace steelmaking slag, one or more hydraulic binders and at least one setting actuator; or (ii) 93-98 wt.% electric furnace steelmaking slag sand or gravel and 2-7 wt.% at least one binder/activator. Also claimed are processes for prepn. of the compsn. and a road foundation prepd. from the compsn. or by the process.</p> |
