| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquefaction preventing method which is executed by using an inexpensive and safe material. SOLUTION: This method is characterized in that a well 51 is provided in a subject ground 4; an aqueous solution 1 of salts of alkaline metals, in which a chloride containing at least one of alkalis and alkaline earth metals is dissolved in water, is injected into the well 51; an aqueous solution 2 of carbonic acid, which contains a carbonate ion, is injected into the well 51; and a hardly soluble salt, which contains at least one of the alkalis and the alkaline earth metals, is formed inside the subject ground 4. In the method, a plurality of wells 51a and 51b are provided in the subject ground 4, so that underground water can also be continuously drawn up from the well 51a separate from the well 51b into which the respective aqueous solutions are injected.
|
