| 摘要 |
PROBLEM TO BE SOLVED: To provide a block body maintaining a constant strength and superior in water permeability and the like by utilizing a soil generated through water purification discharged from a water purification plant. SOLUTION: The block of the invention formed by utilizing a soil generated from water purification is characterised by mixing and solidifying soil particles obtained by mixing a soil generated through water purification and reduced in moisture content to 10 wt.% or lower by natural drying or forced drying, and a mountain sand in a ratio of about 6:4-4:6; 5-15%, in ratio to the total weight, of a portland cement; and additives such as a nonionic surfactant and a pigment. COPYRIGHT: (C)2008,JPO&INPIT
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