| 摘要 |
PROBLEM TO BE SOLVED: To prevent ultrafine soil particles having nature to make sludge or polluted water on elution into fallen rainwater or the like from running into the river, lake, sea or the like by improving the nature of the particles so as not to make sludge or polluted water. SOLUTION: The soil improving method involves making improved soil 3 hard to make sludge or polluted water by mixing under agitation raw soil 1 with an aqueous soil improving material solution 20 prepared in advance by kneading water 10, a cement-based soil improving material 11 and a polymeric improving material 12 together. |
