| 摘要 |
<p>A member for construction and civil engineering works, such as a formwork for an inorganic hardened product, characterized in that it is composed of a composite hardened material which is prepared by a process comprising hardening papermaking sludge and comprises an inorganic amorphous material comprising at least one oxide selected from among the oxides of Si, Al and Ca and, being mixed therewith, a fibrous material. The member for construction and civil engineering works is excellent in strength, corrosion resistance, sound insulation, flame retardance, capability of being nailed, and the like.</p> |
