| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a granular material for civil engineering work, which is previously manufactured to be storable in a yard, etc. for a long period and usable immediately for the construction of banking, etc., as stored. <P>SOLUTION: The granular material for the civil engineering work is obtained by kneading paper sludge formed by removing water content from waste water treated sludge discharged in waste paper regenerating treatment, high water content mud containing water and soil particles, and steel slug, together to form a granular body with the soil particles in the mud attached onto the surface of the steel slug, and then causing the paper sludge to absorb the water content in the mud. <P>COPYRIGHT: (C)2012,JPO&INPIT |
