Ground injection method using for ground implantation elution of sulfate ions to the ground is suppressed caking material and it

摘要

PROBLEM TO BE SOLVED: To provide a solidification material for soil injection containing sodium silicate and sulfuric acid and from which elution of a sulfate ion to a soil is suppressed, and to provide a soil injection method using the same.SOLUTION: There are provided a solidification material for soil injection containing sodium silicate, sulfuric acid and an aluminum component and a soil injection method using the same, and 1.3 g or more of the aluminum component is contained in 1 L of the solidification material for soil injection in terms of aluminum oxide.