| 摘要 |
PURPOSE:To deodorize water-containing weak earth with bad smell and to increase strength of it, by adding additives such as insoluble anhydrous gypsum, etc. in a specific ratio to it. CONSTITUTION:Water-containing weak earth with bad smell is blended with (A) a mixture of (i) soluble anhydrous gypsum and (ii) ultrafine quenched blast furnace slag having 100-1mum particle diameter in a weight ratio of (5:95)-(50/50), (B) Portland cement, and (C) a water-soluble ferric salt as a deodorant in a weight ratio of the component A/B of (75/25)-(45/55). In the order of the addition, the components A and C are added to the earth separately or simultaneously before the component B is added to it. |
