Method of reforming the ground

Details Method of reforming the ground Method of reforming the ground

1976-09-30

1978-01-03

Shapiro, Jacob

61 36R, E02D 312, E02D 2702

Patent

active

040659330

ABSTRACT:
This invention relates to a method of forming a solid foundation in soft ground or stratum by mixing chemical agent into the soft ground soil to solidify it. This ground reforming method comprises the steps of driving a casing into the soft stratum to be reformed so that the casing encloses a volume of earth, moving the enclosed soil out of the casing, mixing and kneading the chemical hardener with the removed soil, then returning the mixed and kneaded soil into the casing, and finally pulling the casing up. The columnar piles thus formed of consolidated soil provide a solid foundation in the soft soil stratum, either independently or in combination. The columnar piles built up according to the method of this invention have uniform and high dynamic strength.

REFERENCES:
patent: 753008 (1904-02-01), Shuman
patent: 3908387 (1975-09-01), Nakamura

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