| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a material for soil improvement, decreased in pH at initial injection. <P>SOLUTION: The material for soil improvement is obtained by compounding a fine powder having 20-50 mass% calcium oxide content, internal structure of≥90% vitreous material and≥5,000 cm<SP>2</SP>/g Blaine value, calcium hydroxide and sodium hydrocarbonate. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
