GROUND IMPROVEMENT MATERIAL AND GROUND IMPROVEMENT METHOD

摘要

PROBLEM TO BE SOLVED: To provide a ground improvement material capable of quickly producing strength of an improved ground to be formed by allowing the ground improvement material used for a ground improvement method and soil to be mixed and cured.SOLUTION: A ground improvement material is used for improving a ground by being mixed with soil. The ground improvement material is made up of an allophane material containing allophane, and a cement-based solidification material. A content of allophane is adjusted so that a proportion of the allophane material and allophane derived from the soil is not less than 5 mass% nor more than 47 mass% with respect to a total amount of the soil and the allophane material when mixed with the soil.