| 摘要 |
PROBLEM TO BE SOLVED: To provide a ground mix body and a ground purification body suitable for purifying contaminated soil of a subsoil formed of a sand layer, and an alternation of a silt layer and a clay layer, and a purification method of contaminated soil for purifying contamination substance of a whole contaminated section surely.SOLUTION: The ground mix body is a mixed body of soil of a subsoil of the site including sand, silt, and clay and water, and is formed on a subsoil of a sand layer contaminated by a harmful substance, and on an alternation contaminated subsoil of silt and clay layers, and the ground mix body has higher water permeability than that of the silt and clay layers. The ground purification body formed by forming a well for injecting agents on the ground mix body, is also provided. |
