| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a filler for a construction work, prepared from sewage sludge incineration ash to thereby fully utilize sewage sludge incineration ash. <P>SOLUTION: The filler comprises cement weighed in a specified mass ratio, sand weighed in a specified mass ratio, sewage sludge incineration ash obtained by incinerating sewage sludge and weighed in a specified mass ratio, and concentrated sludge water obtained by separating washing drain from a ready-mixed concrete handling facility into sand and gravel and sludge water and concentrating the sludge water, and has a compressive strength of about 34 kgf/cm<SP>2</SP>or lower after the lapse of 28 days. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
