| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a grout composition used at a civil engneering and construction area and having high corrosion resistance to various chemicals. <P>SOLUTION: The grout composition contains 5-70 wt.% (A) alumina cement, 2-40 wt.% (B) a fused slag powder having a CaO/SiO<SB>2</SB>molar ratio of≥1.20, 5-40 wt.% (as solid content) (C) water glass, 5-60 wt.% at least one kind of (D) a fused slag powder having a CaO/SiO<SB>2</SB>molar ratio of 0.10-1.20 and/or (E) an SiO<SB>2</SB>-Al<SB>2</SB>O<SB>3</SB>reactive powder, 5-60 wt.% (F) reactive siliceous particle having≤3,000 cm<SP>2</SP>/g particle size as specific surface area and 1-30 pts.wt. (per 100 pts.wt. (C) water glass solid content) one or more kinds selected from (G) alcohols and 5-200 pts.wt. (per 100 pts.wt. sum amount of (A)-(G)) (H) aggregate. <P>COPYRIGHT: (C)2003,JPO</p> |
