| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection material good in permeability to the soil and high in initial strength development property as it is capable of enhancing dispersibility even when a large amount of fine particles easy to aggregate in a slurry is contained.SOLUTION: There is provided a soil injection material containing (A) Portland cement, (B) a slag powder, (C) gypsum (including gypsum in cement), (D) a water soluble sulfate and (E) a dispersant, and having weight ratio of the component (C) in the component (A) and the component (C), ((C)/((A)+(C))) of 0.1 to 0.3 in terms of SO, a maximum particle diameter of the total inorganic particles other than the component (D) and the component (E) of 14 μm or less and particles having a particle diameter of 1.0 μm or less of 4 to 40 vol.%.SELECTED DRAWING: None |
